Creating a branch for the equinox work.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@694816 13f79535-47bb-0310-9956-ffa450edef68

55 files changed, 2549 insertions, 0 deletions

diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/AService.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/AService.java
new file mode 100644
index 0000000000..e78736d4df
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/AService.java
@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback;
+
+/**
+ * Simple Service
+ */
+public interface AService {
+
+    public void testCallback();
+
+    public void testCallback2();
+ 
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/AServiceCallback.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/AServiceCallback.java
new file mode 100644
index 0000000000..0a90f9c99a
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/AServiceCallback.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback;
+
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Remotable Service
+ */
+@Remotable
+@Conversational
+public interface AServiceCallback {
+
+    public void callBack(String someState);
+    
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/BService.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/BService.java
new file mode 100644
index 0000000000..0e61247294
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/BService.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.AServiceCallback;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Service
+ */
+@Remotable
+@Conversational
+@Callback(AServiceCallback.class)
+public interface BService {
+
+    public void setState(String someState);
+    
+    public String getState();
+
+    public void testCallBack(String string);
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/BServiceCallback.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/BServiceCallback.java
new file mode 100644
index 0000000000..e317a6e7e0
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/BServiceCallback.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback;
+
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Remotable Service
+ */
+@Remotable
+@Conversational
+public interface BServiceCallback {
+
+    public void callBack(String someState);
+    
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/CService.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/CService.java
new file mode 100644
index 0000000000..6446e006bd
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/CService.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback;
+
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Service
+ */
+@Remotable
+@Conversational
+@Callback(BServiceCallback.class)
+public interface CService {
+
+    public void setState(String someState);
+
+    public String getState();
+
+    public void testCallBack(String string);
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/Utilities.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/Utilities.java
new file mode 100644
index 0000000000..15672f9ee0
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/Utilities.java
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback;
+
+public class Utilities {
+    
+    public static void delayQuarterSecond() {
+        try {
+            Thread.sleep(250);// millisecs
+        } catch (InterruptedException ex) {
+            throw new Error(ex);
+        }
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/accessing/AServiceCallback.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/accessing/AServiceCallback.java
new file mode 100644
index 0000000000..400c696d82
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/accessing/AServiceCallback.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.accessing;
+
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Remotable Service
+ */
+@Remotable
+@Conversational
+public interface AServiceCallback {
+
+    public void callBack(String someState);
+    
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/accessing/BService.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/accessing/BService.java
new file mode 100644
index 0000000000..33421cb4d0
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/accessing/BService.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.accessing;
+
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Service
+ */
+@Remotable
+@Conversational
+@Callback(AServiceCallback.class)
+public interface BService {
+
+    public void setState(String someState);
+    
+    public String getState();
+
+    public void testCallBack(String string);
+
+    public void testCallBack2(String string);
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/accessing/impl/AServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/accessing/impl/AServiceImpl.java
new file mode 100644
index 0000000000..1b220abf69
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/accessing/impl/AServiceImpl.java
@@ -0,0 +1,67 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.accessing.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.AService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.Utilities;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.accessing.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.accessing.BService;
+import org.junit.Assert;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(AService.class)
+@Scope("CONVERSATION")
+public class AServiceImpl implements AService, AServiceCallback {
+
+    @Reference
+    protected ServiceReference<BService> b;
+
+    private String someState;
+
+    public void callBack(String someState) {
+        System.out.println("A-callback called with this state => " + someState);
+        this.someState = someState;
+    }
+
+    public void testCallback() {
+        b.getService().testCallBack("Some string");
+        int count = 4;
+        while (someState == null && count > 0) {
+            Utilities.delayQuarterSecond();
+            count--;
+        }
+        if (someState == null)
+            Assert.fail("Callback not received by this instance");
+    }
+
+    public void testCallback2() {
+        b.getService().testCallBack2("Some string");
+        int count = 4;
+        while (someState == null && count > 0) {
+            Utilities.delayQuarterSecond();
+            count--;
+        }
+        if (someState == null)
+            Assert.fail("Callback not received by this instance");
+    }
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/accessing/impl/BServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/accessing/impl/BServiceImpl.java
new file mode 100644
index 0000000000..957957a2e4
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/accessing/impl/BServiceImpl.java
@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.accessing.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.accessing.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.accessing.BService;
+import org.osoa.sca.CallableReference;
+import org.osoa.sca.ComponentContext;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Context;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(BService.class)
+@Scope("CONVERSATION")
+public class BServiceImpl implements BService {
+
+    String someState;
+
+    @Callback
+    protected CallableReference<AServiceCallback> callback;
+    
+    @Context
+    protected ComponentContext componentContext;
+
+    public void setState(String someState) {
+        this.someState = someState;
+    }
+
+    public String getState() {
+        return someState;
+    }
+
+    public void testCallBack(String someState) {
+        callback.getService().callBack(someState);
+    }
+
+    public void testCallBack2(String someState) {
+        AServiceCallback callback = componentContext.getRequestContext().getCallback();
+        callback.callBack(someState);
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/AServiceCallback.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/AServiceCallback.java
new file mode 100644
index 0000000000..4ef741c1c1
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/AServiceCallback.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.custom;
+
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Remotable Service
+ */
+@Remotable
+@Conversational
+public interface AServiceCallback {
+
+    public void callBack(String someState);
+    
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/BService.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/BService.java
new file mode 100644
index 0000000000..bba4bf2611
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/BService.java
@@ -0,0 +1,38 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.custom;
+
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Service
+ */
+@Remotable
+@Conversational
+@Callback(AServiceCallback.class)
+public interface BService {
+
+    public void setState(String someState);
+    
+    public String getState();
+
+    public void testCallBack(String string);
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/CustomCallback.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/CustomCallback.java
new file mode 100644
index 0000000000..4fb4fa53de
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/CustomCallback.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.custom;
+
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Service
+ */
+@Remotable
+@Conversational
+public interface CustomCallback {
+
+    public void someMethod();
+
+    public void callBack(String someState);
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/impl/AServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/impl/AServiceImpl.java
new file mode 100644
index 0000000000..83453397b2
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/impl/AServiceImpl.java
@@ -0,0 +1,61 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.custom.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.AService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.Utilities;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.custom.BService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.custom.CustomCallback;
+import org.junit.Assert;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(AService.class)
+@Scope("CONVERSATION")
+public class AServiceImpl implements AService {
+
+    @Reference
+    protected ServiceReference<BService> b;
+
+    @Reference
+    protected CustomCallback customCallback;
+
+    protected static String someState;
+
+    public void testCallback() {
+        b.setCallback(customCallback);
+        b.getService().testCallBack("Some string");
+        int count = 4;
+        while (someState == null && count > 0) {
+            Utilities.delayQuarterSecond();
+            count--;
+        }
+        if (someState == null)
+            Assert.fail("Callback not received by this instance");
+    }
+
+    public void testCallback2() {
+        Assert.fail("Should never get here");
+        
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/impl/BServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/impl/BServiceImpl.java
new file mode 100644
index 0000000000..c165aa51da
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/impl/BServiceImpl.java
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.custom.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.custom.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.custom.BService;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(BService.class)
+@Scope("CONVERSATION")
+public class BServiceImpl implements BService {
+
+    String someState;
+
+    @Callback
+    protected AServiceCallback callback;
+
+    public void setState(String someState) {
+        this.someState = someState;
+    }
+
+    public String getState() {
+        return someState;
+    }
+
+    public void testCallBack(String someState) {
+        callback.callBack(someState);
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/impl/CustomCallbackImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/impl/CustomCallbackImpl.java
new file mode 100644
index 0000000000..c0440a2b1b
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/custom/impl/CustomCallbackImpl.java
@@ -0,0 +1,38 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.custom.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.custom.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.custom.CustomCallback;
+import org.osoa.sca.annotations.Scope;
+
+@Scope("CONVERSATION")
+public class CustomCallbackImpl implements CustomCallback, AServiceCallback {
+
+    public void someMethod() {
+        System.out.println("Custom-callback some method called");
+    }
+    
+    public void callBack(String someState) {
+        System.out.println("Custom-callback called with this state => " + someState);
+        AServiceImpl.someState = someState;
+   }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/id/AServiceCallback.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/id/AServiceCallback.java
new file mode 100644
index 0000000000..8a237af0ad
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/id/AServiceCallback.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.id;
+
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Remotable Service
+ */
+@Remotable
+@Conversational
+public interface AServiceCallback {
+
+    public void callBack(String someState);
+    
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/id/BService.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/id/BService.java
new file mode 100644
index 0000000000..9c185ddee3
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/id/BService.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.id;
+
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Service
+ */
+@Remotable
+@Conversational
+@Callback(AServiceCallback.class)
+public interface BService {
+
+    public void setState(String someState);
+    
+    public String getState();
+
+    public void testCallBack(String string);
+
+    public void testCallBack2(String string);
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/id/impl/AServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/id/impl/AServiceImpl.java
new file mode 100644
index 0000000000..2e79d135f4
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/id/impl/AServiceImpl.java
@@ -0,0 +1,73 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.id.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.AService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.Utilities;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.id.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.id.BService;
+import org.junit.Assert;
+import org.osoa.sca.RequestContext;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.annotations.Context;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(AService.class)
+@Scope("CONVERSATION")
+public class AServiceImpl implements AService, AServiceCallback {
+
+    @Reference
+    protected ServiceReference<BService> b;
+    
+    @Context
+    protected RequestContext requestContext;
+    
+    private String someState;
+
+    public void callBack(String someState) {
+        System.out.println("A-callback called with this state => " + someState);
+        Assert.assertNotNull(requestContext.getServiceReference().getCallbackID());
+        this.someState = someState;
+    }
+
+    public void testCallback() {
+        b.getService().testCallBack("Some string");
+        int count = 4;
+        while (someState == null && count > 0) {
+            Utilities.delayQuarterSecond();
+            count--;
+        }
+        if (someState == null)
+            Assert.fail("Callback not received by this instance");
+    }
+
+    public void testCallback2() {
+        b.getService().testCallBack2("Some string");
+        int count = 4;
+        while (someState == null && count > 0) {
+            Utilities.delayQuarterSecond();
+            count--;
+        }
+        if (someState == null)
+            Assert.fail("Callback not received by this instance");
+    }
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/id/impl/BServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/id/impl/BServiceImpl.java
new file mode 100644
index 0000000000..fb0d6b8a50
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/id/impl/BServiceImpl.java
@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.id.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.id.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.id.BService;
+import org.osoa.sca.CallableReference;
+import org.osoa.sca.ComponentContext;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Context;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(BService.class)
+@Scope("CONVERSATION")
+public class BServiceImpl implements BService {
+
+    String someState;
+
+    @Callback
+    protected CallableReference<AServiceCallback> callback;
+    
+    @Context
+    protected ComponentContext componentContext;
+
+    public void setState(String someState) {
+        this.someState = someState;
+    }
+
+    public String getState() {
+        return someState;
+    }
+
+    public void testCallBack(String someState) {
+        callback.getService().callBack(someState);
+    }
+
+    public void testCallBack2(String someState) {
+        AServiceCallback callback = componentContext.getRequestContext().getCallback();
+        callback.callBack(someState);
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/impl/AServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/impl/AServiceImpl.java
new file mode 100644
index 0000000000..1ace5858b2
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/impl/AServiceImpl.java
@@ -0,0 +1,61 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.AService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.BService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.Utilities;
+import org.junit.Assert;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(AService.class)
+@Scope("CONVERSATION")
+public class AServiceImpl implements AService, AServiceCallback {
+
+    @Reference
+    protected ServiceReference<BService> b;
+
+    private String someState;
+
+    public void callBack(String someState) {
+        System.out.println("A-callback called with this state => " + someState);
+        this.someState = someState;
+    }
+
+    public void testCallback() {
+        b.getService().testCallBack("Some string");
+        int count = 4;
+        while (someState == null && count > 0) {
+            Utilities.delayQuarterSecond();
+            count--;
+        }
+        if (someState == null)
+            Assert.fail("Callback not received by this instance");
+    }
+
+    public void testCallback2() {
+       Assert.fail("Should not be called");
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/impl/BServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/impl/BServiceImpl.java
new file mode 100644
index 0000000000..52d8fe5a7e
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/impl/BServiceImpl.java
@@ -0,0 +1,73 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.BService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.BServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.CService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.Utilities;
+import org.junit.Assert;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(BService.class)
+@Scope("CONVERSATION")
+public class BServiceImpl implements BService, BServiceCallback {
+
+    String someState;
+
+    @Callback
+    protected AServiceCallback callback;
+
+    @Reference
+    protected ServiceReference<CService> c;
+
+    public void setState(String someState) {
+        this.someState = someState;
+    }
+
+    public String getState() {
+        return someState;
+    }
+
+    public void callBack(String someState) {
+        System.out.println("B-callback called with this state => " + someState);
+        this.someState = someState;
+    }
+
+    public void testCallBack(String someState) {
+
+        c.getService().testCallBack(someState);
+        int count = 4;
+        while (this.someState == null && count > 0) {
+            Utilities.delayQuarterSecond();
+            count--;
+        }
+        if (this.someState == null)
+            Assert.fail("Callback not received by this instance");
+
+        callback.callBack(someState);
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/impl/CServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/impl/CServiceImpl.java
new file mode 100644
index 0000000000..eea769b2fb
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/impl/CServiceImpl.java
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.BServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.CService;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(CService.class)
+@Scope("CONVERSATION")
+public class CServiceImpl implements CService {
+
+    String someState;
+
+    @Callback
+    protected BServiceCallback callback;
+
+    public void setState(String someState) {
+        this.someState = someState;
+    }
+
+    public String getState() {
+        return someState;
+    }
+
+    public void testCallBack(String someState) {
+        callback.callBack(someState);
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/AServiceCallback.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/AServiceCallback.java
new file mode 100644
index 0000000000..1caa467348
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/AServiceCallback.java
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local;
+
+import org.osoa.sca.annotations.Conversational;
+
+/**
+ *
+ */
+@Conversational
+public interface AServiceCallback {
+
+    public void callBack(String someState);
+    
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/BService.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/BService.java
new file mode 100644
index 0000000000..a7f471aa26
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/BService.java
@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local;
+
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Conversational;
+
+/**
+ * Simple Local Service
+ */
+@Conversational
+@Callback(AServiceCallback.class)
+public interface BService {
+
+    public void setState(String someState);
+    
+    public String getState();
+
+    public void testCallBack(String string);
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/BServiceCallback.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/BServiceCallback.java
new file mode 100644
index 0000000000..4aeeca6dc3
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/BServiceCallback.java
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local;
+
+import org.osoa.sca.annotations.Conversational;
+
+/**
+ * Simple Service
+ */
+@Conversational
+public interface BServiceCallback {
+
+    public void callBack(String someState);
+    
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/CService.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/CService.java
new file mode 100644
index 0000000000..014f1edd33
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/CService.java
@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local;
+
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Conversational;
+
+/**
+ * Simple Service
+ */
+@Conversational
+@Callback(BServiceCallback.class)
+public interface CService {
+
+    public void setState(String someState);
+
+    public String getState();
+
+    public void testCallBack(String string);
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/impl/AServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/impl/AServiceImpl.java
new file mode 100644
index 0000000000..4e6dce6fb9
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/impl/AServiceImpl.java
@@ -0,0 +1,61 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.AService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.Utilities;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local.BService;
+import org.junit.Assert;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(AService.class)
+@Scope("CONVERSATION")
+public class AServiceImpl implements AService, AServiceCallback {
+
+    @Reference
+    protected ServiceReference<BService> b;
+
+    private String someState;
+
+    public void callBack(String someState) {
+        System.out.println("A-callback called with this state => " + someState);
+        this.someState = someState;
+    }
+
+    public void testCallback() {
+        b.getService().testCallBack("Some local string");
+        int count = 4;
+        while (someState == null && count > 0) {
+            Utilities.delayQuarterSecond();
+            count--;
+        }
+        if (someState == null)
+            Assert.fail("Callback not received by this instance");
+    }
+    
+    public void testCallback2() {
+        Assert.fail("Not implemented");
+     }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/impl/BServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/impl/BServiceImpl.java
new file mode 100644
index 0000000000..2f560fe87b
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/impl/BServiceImpl.java
@@ -0,0 +1,73 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.Utilities;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local.BService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local.BServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local.CService;
+import org.junit.Assert;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(BService.class)
+@Scope("CONVERSATION")
+public class BServiceImpl implements BService, BServiceCallback {
+
+    String someState;
+
+    @Callback
+    protected AServiceCallback callback;
+
+    @Reference
+    protected ServiceReference<CService> c;
+
+    public void setState(String someState) {
+        this.someState = someState;
+    }
+
+    public String getState() {
+        return someState;
+    }
+
+    public void callBack(String someState) {
+        System.out.println("B-callback called with this state => " + someState);
+        this.someState = someState;
+    }
+
+    public void testCallBack(String someState) {
+
+        c.getService().testCallBack(someState);
+        int count = 4;
+        while (this.someState == null && count > 0) {
+            Utilities.delayQuarterSecond();
+            count--;
+        }
+        if (this.someState == null)
+            Assert.fail("Callback not received by this instance");
+
+        callback.callBack(someState);
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/impl/CServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/impl/CServiceImpl.java
new file mode 100644
index 0000000000..23e0d0e70b
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/local/impl/CServiceImpl.java
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local.BServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local.CService;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(CService.class)
+@Scope("CONVERSATION")
+public class CServiceImpl implements CService {
+
+    String someState;
+
+    @Callback
+    protected BServiceCallback callback;
+
+    public void setState(String someState) {
+        this.someState = someState;
+    }
+
+    public String getState() {
+        return someState;
+    }
+
+    public void testCallBack(String someState) {
+        callback.callBack(someState);
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/mixed/CService.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/mixed/CService.java
new file mode 100644
index 0000000000..705e101a01
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/mixed/CService.java
@@ -0,0 +1,38 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.mixed;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.BServiceCallback;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Conversational;
+
+/**
+ * Simple Service
+ */
+@Conversational
+@Callback(BServiceCallback.class)
+public interface CService {
+
+    public void setState(String someState);
+
+    public String getState();
+
+    public void testCallBack(String string);
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/mixed/impl/BServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/mixed/impl/BServiceImpl.java
new file mode 100644
index 0000000000..c03b1aedc4
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/mixed/impl/BServiceImpl.java
@@ -0,0 +1,73 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.mixed.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.BService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.BServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.mixed.CService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.Utilities;
+import org.junit.Assert;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(BService.class)
+@Scope("CONVERSATION")
+public class BServiceImpl implements BService, BServiceCallback {
+
+    String someState;
+
+    @Callback
+    protected AServiceCallback callback;
+
+    @Reference
+    protected ServiceReference<CService> c;
+
+    public void setState(String someState) {
+        this.someState = someState;
+    }
+
+    public String getState() {
+        return someState;
+    }
+
+    public void callBack(String someState) {
+        System.out.println("B-callback called with this state => " + someState);
+        this.someState = someState;
+    }
+
+    public void testCallBack(String someState) {
+
+        c.getService().testCallBack(someState);
+        int count = 4;
+        while (this.someState == null && count > 0) {
+            Utilities.delayQuarterSecond();
+            count--;
+        }
+        if (this.someState == null)
+            Assert.fail("Callback not received by this instance");
+
+        callback.callBack(someState);
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/mixed/impl/CServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/mixed/impl/CServiceImpl.java
new file mode 100644
index 0000000000..8e068c8be4
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/mixed/impl/CServiceImpl.java
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.mixed.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.BServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.mixed.CService;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(CService.class)
+@Scope("CONVERSATION")
+public class CServiceImpl implements CService {
+
+    String someState;
+
+    @Callback
+    protected BServiceCallback callback;
+
+    public void setState(String someState) {
+        this.someState = someState;
+    }
+
+    public String getState() {
+        return someState;
+    }
+
+    public void testCallBack(String someState) {
+        callback.callBack(someState);
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/AServiceCallback.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/AServiceCallback.java
new file mode 100644
index 0000000000..16b2932afc
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/AServiceCallback.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi;
+
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Remotable Service
+ */
+@Remotable
+@Conversational
+public interface AServiceCallback {
+
+    public void callBack(String someState);
+    
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/AServiceCallback2.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/AServiceCallback2.java
new file mode 100644
index 0000000000..56b7006581
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/AServiceCallback2.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi;
+
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Remotable Service
+ */
+@Remotable
+@Conversational
+public interface AServiceCallback2 {
+
+    public void callBack2(String someState);
+    
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/BService.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/BService.java
new file mode 100644
index 0000000000..580cf5a612
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/BService.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi;
+
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Service
+ */
+@Remotable
+@Conversational
+@Callback(AServiceCallback.class)
+public interface BService {
+
+    public void setState(String someState);
+    
+    public String getState();
+
+    public void testCallBack(String string);
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/BService2.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/BService2.java
new file mode 100644
index 0000000000..144492984a
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/BService2.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi;
+
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Service
+ */
+@Remotable
+@Conversational
+@Callback(AServiceCallback2.class)
+public interface BService2 {
+
+    public void setState(String someState);
+    
+    public String getState();
+
+    public void testCallBack2(String string);
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/impl/AServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/impl/AServiceImpl.java
new file mode 100644
index 0000000000..ce7214dba1
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/impl/AServiceImpl.java
@@ -0,0 +1,79 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.Utilities;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.AService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi.AServiceCallback2;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi.BService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi.BService2;
+import org.junit.Assert;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(AService.class)
+@Scope("CONVERSATION")
+public class AServiceImpl implements AService, AServiceCallback , AServiceCallback2 {
+
+    @Reference
+    protected ServiceReference<BService> b;
+    
+    @Reference
+    protected ServiceReference<BService2> b2;
+
+
+    private String someState;
+    private String someState2;
+
+    public void callBack(String someState) {
+        System.out.println("A-callback called with this state => " + someState);
+        this.someState = someState;
+    }
+
+    public void callBack2(String someState) {
+        System.out.println("A-callback2 called with this state => " + someState);
+        this.someState2 = someState;    
+    }
+    
+    public void testCallback() {
+        b.getService().testCallBack("Some string");
+        int count = 4;
+        while (someState == null && count > 0) {
+            Utilities.delayQuarterSecond();
+            count--;
+        }
+        if (someState == null)
+            Assert.fail("Callback not received by this instance");
+    }
+
+    public void testCallback2() {
+        b2.getService().testCallBack2("Some string");
+        int count = 4;
+        while (someState2 == null && count > 0) {
+            Utilities.delayQuarterSecond();
+            count--;
+        }
+        if (someState2 == null)
+            Assert.fail("Callback not received by this instance");
+    }
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/impl/BServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/impl/BServiceImpl.java
new file mode 100644
index 0000000000..b61a15cbee
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/multi/impl/BServiceImpl.java
@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi.AServiceCallback2;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi.BService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi.BService2;
+import org.junit.Assert;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(interfaces= {BService.class,BService2.class})
+@Scope("CONVERSATION")
+public class BServiceImpl implements BService, BService2 {
+
+    String someState;
+
+    @Callback
+    protected AServiceCallback callback;
+
+    @Callback
+    protected AServiceCallback2 callback2;
+    
+    @Callback
+    protected AServiceCallback2 callback3;
+
+
+    public void setState(String someState) {
+        this.someState = someState;
+    }
+
+    public String getState() {
+        return someState;
+    }
+
+    public void testCallBack(String someState) {
+        callback.callBack(someState);
+    }
+
+    public void testCallBack2(String someState) {
+        Assert.assertNotNull(callback3); //Spec lines 670,671
+        callback2.callBack2(someState);
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/BServiceCallback.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/BServiceCallback.java
new file mode 100644
index 0000000000..cb9aee2b9f
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/BServiceCallback.java
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless;
+
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Service
+ */
+@Remotable
+public interface BServiceCallback {
+
+    public void callBack(String someState);
+    
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/CService.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/CService.java
new file mode 100644
index 0000000000..1fe70344af
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/CService.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless;
+
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Simple Service
+ */
+@Remotable
+@Conversational
+@Callback(BServiceCallback.class)
+public interface CService {
+
+    public void setState(String someState);
+
+    public String getState();
+
+    public void testCallBack(String string);
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/impl/BServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/impl/BServiceImpl.java
new file mode 100644
index 0000000000..033fa9d097
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/impl/BServiceImpl.java
@@ -0,0 +1,73 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.BService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless.BServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.CService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.Utilities;
+import org.junit.Assert;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(BService.class)
+@Scope("CONVERSATION")
+public class BServiceImpl implements BService, BServiceCallback {
+
+    String someState;
+
+    @Callback
+    protected AServiceCallback callback;
+
+    @Reference
+    protected ServiceReference<CService> c;
+
+    public void setState(String someState) {
+        this.someState = someState;
+    }
+
+    public String getState() {
+        return someState;
+    }
+
+    public void callBack(String someState) {
+        System.out.println("B-callback called with this state => " + someState);
+        this.someState = someState;
+    }
+
+    public void testCallBack(String someState) {
+
+        c.getService().testCallBack(someState);
+        int count = 4;
+        while (this.someState == null && count > 0) {
+            Utilities.delayQuarterSecond();
+            count--;
+        }
+        if (this.someState != null)
+            Assert.fail("Callback should NOT have been received by this instance");
+
+        callback.callBack(someState);
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/impl/BServiceImpl2.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/impl/BServiceImpl2.java
new file mode 100644
index 0000000000..5f7d8d9c94
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/impl/BServiceImpl2.java
@@ -0,0 +1,81 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.BService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless.BServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.CService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.Utilities;
+import org.junit.Assert;
+import org.osoa.sca.RequestContext;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Context;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(BService.class)
+@Scope("CONVERSATION")
+public class BServiceImpl2 implements BService, BServiceCallback {
+
+    String someState;
+    
+    @Context
+    protected RequestContext rc;
+
+    @Callback
+    protected AServiceCallback callback;
+
+    @Reference
+    protected ServiceReference<CService> c;
+
+    public void setState(String someState) {
+        this.someState = someState;
+    }
+
+    public String getState() {
+        return someState;
+    }
+
+    public void callBack(String someState) {
+        System.out.println("B-callback called with this state => " + someState);
+        this.someState = someState;
+        Assert.assertSame("1234", rc.getServiceReference().getCallbackID());
+    }
+
+    public void testCallBack(String someState) {
+
+        c.setCallbackID("1234");
+
+        c.getService().testCallBack(someState);
+        int count = 4;
+        while (this.someState == null && count > 0) {
+            Utilities.delayQuarterSecond();
+            count--;
+        }
+        if (this.someState != null)
+            Assert.fail("Callback should NOT have been received by this instance");
+
+        callback.callBack(someState);
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/impl/BServiceImpl3.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/impl/BServiceImpl3.java
new file mode 100644
index 0000000000..47d5d53821
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/impl/BServiceImpl3.java
@@ -0,0 +1,74 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.AServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.BService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless.BServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.CService;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.Utilities;
+import org.junit.Assert;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(BService.class)
+@Scope("CONVERSATION")
+public class BServiceImpl3 implements BService, BServiceCallback {
+
+    String someState;
+
+    @Callback
+    protected AServiceCallback callback;
+
+    @Reference
+    protected ServiceReference<CService> c;
+
+    public void setState(String someState) {
+        this.someState = someState;
+    }
+
+    public String getState() {
+        return someState;
+    }
+
+    public void callBack(String someState) {
+        System.out.println("B-callback called with this state => " + someState);
+        this.someState = someState;
+        Assert.assertSame(null, callback);
+    }
+
+    public void testCallBack(String someState) {
+
+        c.getService().testCallBack(someState);
+        int count = 4;
+        while (this.someState == null && count > 0) {
+            Utilities.delayQuarterSecond();
+            count--;
+        }
+        if (this.someState != null)
+            Assert.fail("Callback should NOT have been received by this instance");
+
+        callback.callBack(someState);
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/impl/CServiceImpl.java b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/impl/CServiceImpl.java
new file mode 100644
index 0000000000..18ce5edebe
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/java/org/apache/tuscany/sca/vtest/javaapi/conversation/callback/stateless/impl/CServiceImpl.java
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless.impl;
+
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless.BServiceCallback;
+import org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless.CService;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+@Service(CService.class)
+@Scope("CONVERSATION")
+public class CServiceImpl implements CService {
+
+    String someState;
+
+    @Callback
+    protected BServiceCallback callback;
+
+    public void setState(String someState) {
+        this.someState = someState;
+    }
+
+    public String getState() {
+        return someState;
+    }
+
+    public void testCallBack(String someState) {
+        callback.callBack(someState);
+    }
+
+}
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-accessing.composite b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-accessing.composite
new file mode 100644
index 0000000000..802c9c30db
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-accessing.composite
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+	* Licensed to the Apache Software Foundation (ASF) under one
+	* or more contributor license agreements.  See the NOTICE file
+	* distributed with this work for additional information
+	* regarding copyright ownership.  The ASF licenses this file
+	* to you under the Apache License, Version 2.0 (the
+	* "License"); you may not use this file except in compliance
+	* with the License.  You may obtain a copy of the License at
+	*
+	*   http://www.apache.org/licenses/LICENSE-2.0
+	*
+	* Unless required by applicable law or agreed to in writing,
+	* software distributed under the License is distributed on an
+	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+	* KIND, either express or implied.  See the License for the
+	* specific language governing permissions and limitations
+	* under the License.
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+	targetNamespace="http://java-api-tests" name="Conversation-callback-multi">
+
+	<component name="AComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.accessing.impl.AServiceImpl" />
+		<reference name="b" target="BComponent" />
+	</component>
+
+	<component name="BComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.accessing.impl.BServiceImpl" />
+	</component>
+
+</composite>
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-custom.composite b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-custom.composite
new file mode 100644
index 0000000000..e66ea5d537
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-custom.composite
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+	* Licensed to the Apache Software Foundation (ASF) under one
+	* or more contributor license agreements.  See the NOTICE file
+	* distributed with this work for additional information
+	* regarding copyright ownership.  The ASF licenses this file
+	* to you under the Apache License, Version 2.0 (the
+	* "License"); you may not use this file except in compliance
+	* with the License.  You may obtain a copy of the License at
+	*
+	*   http://www.apache.org/licenses/LICENSE-2.0
+	*
+	* Unless required by applicable law or agreed to in writing,
+	* software distributed under the License is distributed on an
+	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+	* KIND, either express or implied.  See the License for the
+	* specific language governing permissions and limitations
+	* under the License.
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+	targetNamespace="http://java-api-tests" name="Conversation-callback-custom">
+
+	<component name="AComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.custom.impl.AServiceImpl" />
+		<reference name="b" target="BComponent" />
+		<reference name="customCallback" target="CComponent/CustomCallback" />
+	</component>
+
+	<component name="BComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.custom.impl.BServiceImpl" />
+	</component>
+	
+	<component name="CComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.custom.impl.CustomCallbackImpl" />
+	</component>
+
+</composite>
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-id.composite b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-id.composite
new file mode 100644
index 0000000000..4d93d2279d
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-id.composite
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+	* Licensed to the Apache Software Foundation (ASF) under one
+	* or more contributor license agreements.  See the NOTICE file
+	* distributed with this work for additional information
+	* regarding copyright ownership.  The ASF licenses this file
+	* to you under the Apache License, Version 2.0 (the
+	* "License"); you may not use this file except in compliance
+	* with the License.  You may obtain a copy of the License at
+	*
+	*   http://www.apache.org/licenses/LICENSE-2.0
+	*
+	* Unless required by applicable law or agreed to in writing,
+	* software distributed under the License is distributed on an
+	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+	* KIND, either express or implied.  See the License for the
+	* specific language governing permissions and limitations
+	* under the License.
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+	targetNamespace="http://java-api-tests" name="Conversation-callback-id">
+
+	<component name="AComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.id.impl.AServiceImpl" />
+		<reference name="b" target="BComponent" />
+	</component>
+
+	<component name="BComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.id.impl.BServiceImpl" />
+	</component>
+
+</composite>
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-local.composite b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-local.composite
new file mode 100644
index 0000000000..cd8c589a59
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-local.composite
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+	* Licensed to the Apache Software Foundation (ASF) under one
+	* or more contributor license agreements.  See the NOTICE file
+	* distributed with this work for additional information
+	* regarding copyright ownership.  The ASF licenses this file
+	* to you under the Apache License, Version 2.0 (the
+	* "License"); you may not use this file except in compliance
+	* with the License.  You may obtain a copy of the License at
+	*
+	*   http://www.apache.org/licenses/LICENSE-2.0
+	*
+	* Unless required by applicable law or agreed to in writing,
+	* software distributed under the License is distributed on an
+	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+	* KIND, either express or implied.  See the License for the
+	* specific language governing permissions and limitations
+	* under the License.
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+	targetNamespace="http://java-api-tests" name="Conversation-Callback-local">
+
+	<component name="AComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local.impl.AServiceImpl" />
+		<reference name="b" target="BComponent" />
+	</component>
+
+	<component name="BComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local.impl.BServiceImpl" />
+		<reference name="c" target="CComponent" />
+	</component>
+	
+	<component name="CComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.local.impl.CServiceImpl" />
+	</component>
+
+</composite>
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-mixed.composite b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-mixed.composite
new file mode 100644
index 0000000000..d2d9956103
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-mixed.composite
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+	* Licensed to the Apache Software Foundation (ASF) under one
+	* or more contributor license agreements.  See the NOTICE file
+	* distributed with this work for additional information
+	* regarding copyright ownership.  The ASF licenses this file
+	* to you under the Apache License, Version 2.0 (the
+	* "License"); you may not use this file except in compliance
+	* with the License.  You may obtain a copy of the License at
+	*
+	*   http://www.apache.org/licenses/LICENSE-2.0
+	*
+	* Unless required by applicable law or agreed to in writing,
+	* software distributed under the License is distributed on an
+	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+	* KIND, either express or implied.  See the License for the
+	* specific language governing permissions and limitations
+	* under the License.
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+	targetNamespace="http://java-api-tests" name="Conversation-callback-mixed">
+<!-- TODO: TUSCANY-2291 
+	<component name="AComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.impl.AServiceImpl" />
+		<reference name="b" target="BComponent" />
+	</component>
+
+	<component name="BComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.mixed.impl.BServiceImpl" />
+		<reference name="c" target="CComponent" />
+	</component>
+	
+	<component name="CComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.mixed.impl.CServiceImpl" />
+	</component>
+-->
+</composite>
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-multi.composite b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-multi.composite
new file mode 100644
index 0000000000..6c69330ce5
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-multi.composite
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+	* Licensed to the Apache Software Foundation (ASF) under one
+	* or more contributor license agreements.  See the NOTICE file
+	* distributed with this work for additional information
+	* regarding copyright ownership.  The ASF licenses this file
+	* to you under the Apache License, Version 2.0 (the
+	* "License"); you may not use this file except in compliance
+	* with the License.  You may obtain a copy of the License at
+	*
+	*   http://www.apache.org/licenses/LICENSE-2.0
+	*
+	* Unless required by applicable law or agreed to in writing,
+	* software distributed under the License is distributed on an
+	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+	* KIND, either express or implied.  See the License for the
+	* specific language governing permissions and limitations
+	* under the License.
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+	targetNamespace="http://java-api-tests" name="Conversation-callback-multi">
+
+	<component name="AComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi.impl.AServiceImpl" />
+		<reference name="b" target="BComponent/BService" />
+		<reference name="b2" target="BComponent/BService2" />
+	</component>
+
+	<component name="BComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.multi.impl.BServiceImpl" />
+	</component>
+
+</composite>
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-stateless-callbackfieldnull.composite b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-stateless-callbackfieldnull.composite
new file mode 100644
index 0000000000..72c08e8344
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-stateless-callbackfieldnull.composite
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+	* Licensed to the Apache Software Foundation (ASF) under one
+	* or more contributor license agreements.  See the NOTICE file
+	* distributed with this work for additional information
+	* regarding copyright ownership.  The ASF licenses this file
+	* to you under the Apache License, Version 2.0 (the
+	* "License"); you may not use this file except in compliance
+	* with the License.  You may obtain a copy of the License at
+	*
+	*   http://www.apache.org/licenses/LICENSE-2.0
+	*
+	* Unless required by applicable law or agreed to in writing,
+	* software distributed under the License is distributed on an
+	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+	* KIND, either express or implied.  See the License for the
+	* specific language governing permissions and limitations
+	* under the License.
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+	targetNamespace="http://java-api-tests" name="Conversation-callback-stateless">
+
+	<component name="AComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.impl.AServiceImpl" />
+		<reference name="b" target="BComponent" />
+	</component>
+
+	<component name="BComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless.impl.BServiceImpl3" />
+		<reference name="c" target="CComponent" />
+	</component>
+	
+	<component name="CComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless.impl.CServiceImpl" />
+	</component>
+
+</composite>
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-stateless-callbackid.composite b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-stateless-callbackid.composite
new file mode 100644
index 0000000000..144f7f3d00
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-stateless-callbackid.composite
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+	* Licensed to the Apache Software Foundation (ASF) under one
+	* or more contributor license agreements.  See the NOTICE file
+	* distributed with this work for additional information
+	* regarding copyright ownership.  The ASF licenses this file
+	* to you under the Apache License, Version 2.0 (the
+	* "License"); you may not use this file except in compliance
+	* with the License.  You may obtain a copy of the License at
+	*
+	*   http://www.apache.org/licenses/LICENSE-2.0
+	*
+	* Unless required by applicable law or agreed to in writing,
+	* software distributed under the License is distributed on an
+	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+	* KIND, either express or implied.  See the License for the
+	* specific language governing permissions and limitations
+	* under the License.
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+	targetNamespace="http://java-api-tests" name="Conversation-callback-stateless">
+
+	<component name="AComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.impl.AServiceImpl" />
+		<reference name="b" target="BComponent" />
+	</component>
+
+	<component name="BComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless.impl.BServiceImpl2" />
+		<reference name="c" target="CComponent" />
+	</component>
+	
+	<component name="CComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless.impl.CServiceImpl" />
+	</component>
+
+</composite>
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-stateless.composite b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-stateless.composite
new file mode 100644
index 0000000000..ace06b245c
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback-stateless.composite
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+	* Licensed to the Apache Software Foundation (ASF) under one
+	* or more contributor license agreements.  See the NOTICE file
+	* distributed with this work for additional information
+	* regarding copyright ownership.  The ASF licenses this file
+	* to you under the Apache License, Version 2.0 (the
+	* "License"); you may not use this file except in compliance
+	* with the License.  You may obtain a copy of the License at
+	*
+	*   http://www.apache.org/licenses/LICENSE-2.0
+	*
+	* Unless required by applicable law or agreed to in writing,
+	* software distributed under the License is distributed on an
+	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+	* KIND, either express or implied.  See the License for the
+	* specific language governing permissions and limitations
+	* under the License.
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+	targetNamespace="http://java-api-tests" name="Conversation-callback-stateless">
+
+	<component name="AComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.impl.AServiceImpl" />
+		<reference name="b" target="BComponent" />
+	</component>
+
+	<component name="BComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless.impl.BServiceImpl" />
+		<reference name="c" target="CComponent" />
+	</component>
+	
+	<component name="CComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.stateless.impl.CServiceImpl" />
+	</component>
+
+
+</composite>
diff --git a/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback.composite b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback.composite
new file mode 100644
index 0000000000..4623f17ca2
--- /dev/null
+++ b/branches/sca-equinox/vtest/java-api/conversation/callback/src/main/resources/callback.composite
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+	* Licensed to the Apache Software Foundation (ASF) under one
+	* or more contributor license agreements.  See the NOTICE file
+	* distributed with this work for additional information
+	* regarding copyright ownership.  The ASF licenses this file
+	* to you under the Apache License, Version 2.0 (the
+	* "License"); you may not use this file except in compliance
+	* with the License.  You may obtain a copy of the License at
+	*
+	*   http://www.apache.org/licenses/LICENSE-2.0
+	*
+	* Unless required by applicable law or agreed to in writing,
+	* software distributed under the License is distributed on an
+	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+	* KIND, either express or implied.  See the License for the
+	* specific language governing permissions and limitations
+	* under the License.
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+	targetNamespace="http://java-api-tests" name="Conversation-callback">
+
+	<component name="AComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.impl.AServiceImpl" />
+		<reference name="b" target="BComponent" />
+	</component>
+
+	<component name="BComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.impl.BServiceImpl" />
+		<reference name="c" target="CComponent" />
+	</component>
+	
+	<component name="CComponent">
+		<implementation.java
+			class="org.apache.tuscany.sca.vtest.javaapi.conversation.callback.impl.CServiceImpl" />
+	</component>
+
+</composite>