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diff --git a/branches/sca-java-1.x/itest/osgi-implementation/src/main/java/callback/client/JavaCallbackClientImpl.java b/branches/sca-java-1.x/itest/osgi-implementation/src/main/java/callback/client/JavaCallbackClientImpl.java
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+++ b/branches/sca-java-1.x/itest/osgi-implementation/src/main/java/callback/client/JavaCallbackClientImpl.java
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+/*
+ * 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 callback.client;
+
+import junit.framework.Assert;
+
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Service;
+
+import callback.service.CallbackService;
+
+@Service(CallbackClient.class)
+/**
+ * Callback test client implementation
+ */
+public class JavaCallbackClientImpl implements CallbackClient, CallbackCallback {
+
+	@Reference
+    protected CallbackService callbackService;
+	
+    private static String returnMessage = null;
+    private static int callbackCount = 0;
+    private static Object monitor = new Object();
+
+    public void run() {
+
+        // This tests basic callback patterns.
+
+        // Test1 is the basic callback where the target calls back prior to
+        // returning to the client.
+        test1a();
+
+        // Test2 is where the target does not call back to the client.
+        test1b();
+
+        // Test3 is where the target calls back multiple times to the client.
+        test1c();
+
+        return;
+    }
+
+    private void test1a() {
+        callbackService.knockKnock("Knock Knock");
+        int count = 0;
+
+        // 
+        // If we cant get a response in 30 seconds consider this a failure
+        // 
+
+        synchronized (monitor) {
+            while (returnMessage == null && count++ < 30) {
+                try {
+                    monitor.wait(1000L);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+
+        Assert.assertEquals("CallbackITest - test1a", "Who's There", this.getReturnMessage());
+
+    }
+
+    private void test1b() {
+        callbackService.noCallback("No Reply Desired");
+        Assert.assertEquals("CallbackITest - test1b", 1, 1);
+
+        return;
+    }
+
+    private void test1c() {
+        callbackService.multiCallback("Call me back 3 times");
+        int count = 0;
+
+        // 
+        // If we can't get a response in 30 seconds consider this a failure
+        // 
+
+        synchronized (monitor) {
+            while (this.getCallbackCount() < 3 && count++ < 30) {
+                try {
+                    monitor.wait(1000L);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+
+        Assert.assertEquals("CallbackITest - test1c", 3, this.getCallbackCount());
+        return;
+    }
+
+    public String getReturnMessage() {
+        return returnMessage;
+    }
+
+    public void setReturnMessage(String aReturnMessage) {
+        returnMessage = aReturnMessage;
+    }
+
+    public int getCallbackCount() {
+        return callbackCount;
+    }
+
+    public void incrementCallbackCount() {
+        callbackCount++;
+    }
+
+    public void callbackMessage(String aString) {
+        System.out.println("Entering callback callbackMessage: " + aString);
+        synchronized (monitor) {
+            this.setReturnMessage(aString);
+            monitor.notify();
+        }
+    }
+
+    public void callbackIncrement(String aString) {
+        System.out.println("Entering callback increment: " + aString);
+        synchronized (monitor) {
+            this.incrementCallbackCount();
+            monitor.notify();
+        }
+    }
+
+}