8 files changed, 322 insertions, 0 deletions
diff --git a/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyClient.java b/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyClient.java
new file mode 100644
index 0000000000..7c80d222fc
--- /dev/null
+++ b/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyClient.java
@@ -0,0 +1,27 @@
+/*
+ * 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.test.callback;
+
+/**
+ * The client interface
+ */
+public interface MyClient {
+
+    void aClientMethod();
+}
diff --git a/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyClientImpl1.java b/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyClientImpl1.java
new file mode 100644
index 0000000000..df91f3d268
--- /dev/null
+++ b/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyClientImpl1.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.test.callback;
+
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+/**
+ * Demonstrates a component-to-component callback invocation
+ */
+@Service(MyClient.class)
+@Scope("COMPOSITE")
+public class MyClientImpl1 implements MyClient, MyServiceCallback {
+
+    private MyService myService;
+    static String result;
+
+    @Reference
+    public void setMyService(MyService myService) {
+        this.myService = myService;
+    }
+
+    public void aClientMethod() {
+        myService.someMethod("-> someMethod1");
+    }
+
+    public void receiveResult(String result) {
+        System.out.println("Work thread " + Thread.currentThread());
+        System.out.println("Result: " + result);
+        MyClientImpl1.result = result;
+    }
+}
diff --git a/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyClientImpl2.java b/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyClientImpl2.java
new file mode 100644
index 0000000000..a0a9564002
--- /dev/null
+++ b/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyClientImpl2.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.test.callback;
+
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+/**
+ * Demonstrates a component-to-component callback invocation
+ */
+@Service(MyClient.class)
+@Scope("COMPOSITE")
+public class MyClientImpl2 implements MyClient, MyServiceCallback {
+
+    private MyService myService;
+    static String result;
+
+    @Reference
+    public void setMyService(MyService myService) {
+        this.myService = myService;
+    }
+
+    public void aClientMethod() {
+        myService.someMethod("-> someMethod2");
+    }
+
+    public void receiveResult(String result) {
+        System.out.println("Work thread " + Thread.currentThread());
+        System.out.println("Result: " + result);
+        MyClientImpl2.result = result;
+    }
+}
diff --git a/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyService.java b/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyService.java
new file mode 100644
index 0000000000..cfd601f546
--- /dev/null
+++ b/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyService.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.test.callback;
+
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.OneWay;
+
+/**
+ * This service that will be invoked in a non-blocking fashion
+ */
+@Callback(MyServiceCallback.class)
+public interface MyService {
+
+    @OneWay
+    void someMethod(String arg);
+}
diff --git a/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyServiceCallback.java b/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyServiceCallback.java
new file mode 100644
index 0000000000..f198efae51
--- /dev/null
+++ b/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyServiceCallback.java
@@ -0,0 +1,27 @@
+/*
+ * 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.test.callback;
+
+/**
+ * The callback interface for {@link MyService}.
+ */
+public interface MyServiceCallback {
+
+    void receiveResult(String result);
+}
diff --git a/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyServiceImpl.java b/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyServiceImpl.java
new file mode 100644
index 0000000000..d19b3fe355
--- /dev/null
+++ b/java/sca/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyServiceImpl.java
@@ -0,0 +1,45 @@
+/*
+ * 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.test.callback;
+
+import org.osoa.sca.RequestContext;
+import org.osoa.sca.annotations.Context;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+/**
+ * This class implements MyService and uses a callback.
+ */
+@Service(MyService.class)
+@Scope("COMPOSITE")
+public class MyServiceImpl implements MyService {
+
+    @Context
+    protected RequestContext requestContext;
+    
+    public void someMethod(String arg) {
+        // invoke the callback
+        try {
+            MyServiceCallback myServiceCallback = requestContext.getCallback();
+            myServiceCallback.receiveResult(arg + " -> receiveResult");
+        } catch(RuntimeException e) {
+            System.out.println("RuntimeException invoking receiveResult: " + e.toString());
+        }
+    }
+}
diff --git a/java/sca/itest/callback-multiple-wires/src/main/resources/CallbackMultiWireTest.composite b/java/sca/itest/callback-multiple-wires/src/main/resources/CallbackMultiWireTest.composite
new file mode 100644
index 0000000000..3dae3ca3a8
--- /dev/null
+++ b/java/sca/itest/callback-multiple-wires/src/main/resources/CallbackMultiWireTest.composite
@@ -0,0 +1,38 @@
+<?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://callback"
+	name="CallbackMultiWireTest">
+
+    <component name="MyClientComponent1">
+        <implementation.java class="org.apache.tuscany.sca.test.callback.MyClientImpl1"/>
+        <reference name="myService" target="MyServiceComponent"/>
+    </component>
+    
+    <component name="MyClientComponent2">
+        <implementation.java class="org.apache.tuscany.sca.test.callback.MyClientImpl2"/>
+        <reference name="myService" target="MyServiceComponent"/>
+    </component>
+    
+    <component name="MyServiceComponent">
+        <implementation.java class="org.apache.tuscany.sca.test.callback.MyServiceImpl"/>
+    </component>
+    
+</composite>
diff --git a/java/sca/itest/callback-multiple-wires/src/test/java/org/apache/tuscany/sca/test/callback/CallbackMultiWireTestCase.java b/java/sca/itest/callback-multiple-wires/src/test/java/org/apache/tuscany/sca/test/callback/CallbackMultiWireTestCase.java
new file mode 100644
index 0000000000..3c83e4bedd
--- /dev/null
+++ b/java/sca/itest/callback-multiple-wires/src/test/java/org/apache/tuscany/sca/test/callback/CallbackMultiWireTestCase.java
@@ -0,0 +1,55 @@
+/*
+ * 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.test.callback;
+
+import junit.framework.TestCase;
+
+import org.apache.tuscany.sca.host.embedded.SCADomain;
+
+/**
+ * A TestCase that demonstrates resolving the client service and initiating the callback sequence
+ */
+public class CallbackMultiWireTestCase extends TestCase {
+
+    private SCADomain scaDomain;
+    private MyClient myClient1;
+    private MyClient myClient2;
+
+    @Override
+    protected void setUp() throws Exception {
+        scaDomain = SCADomain.newInstance("CallbackMultiWireTest.composite");
+        myClient1 = scaDomain.getService(MyClient.class, "MyClientComponent1");
+        myClient2 = scaDomain.getService(MyClient.class, "MyClientComponent2");
+    }
+    
+    @Override
+    protected void tearDown() throws Exception {
+        scaDomain.close();
+    }
+
+    public void test() throws Exception {
+        System.out.println("Main thread " + Thread.currentThread());
+        myClient1.aClientMethod();
+        myClient2.aClientMethod();
+        System.out.println("Sleeping ...");
+        Thread.sleep(300);
+        assertEquals("-> someMethod1 -> receiveResult", MyClientImpl1.result);
+        assertEquals("-> someMethod2 -> receiveResult", MyClientImpl2.result);
+    }
+}