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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();
+ }
+ }
+
+}