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diff --git a/sca-java-2.x/tags/2.0-Beta2-RC1/samples/getting-started/callback-api/src/main/java/sample/ServiceImpl.java b/sca-java-2.x/tags/2.0-Beta2-RC1/samples/getting-started/callback-api/src/main/java/sample/ServiceImpl.java
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--- a/sca-java-2.x/tags/2.0-Beta2-RC1/samples/getting-started/callback-api/src/main/java/sample/ServiceImpl.java
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@@ -1,96 +0,0 @@
-/*
- * 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 sample;
-
-import org.oasisopen.sca.ComponentContext;
-import org.oasisopen.sca.ServiceReference;
-import org.oasisopen.sca.annotation.Callback;
-import org.oasisopen.sca.annotation.Context;
-import org.oasisopen.sca.annotation.Service;
-
-@Service(sample.Service.class)
-public class ServiceImpl implements sample.Service {
-
- public static final String MESSAGE_RECEIVED = "ServiceImpl - Received message: ";
-
- @Context
- protected ComponentContext componentContext;
-
- @Callback
- protected ServiceReference<CallBack> callbackRef;
-
- /**
- * This function gets an object of ServiceImpl by calling
- * getCallBackInterface function and calls the callBackMessage function.
- *
- * @param aString String passed by a function call
- */
- public void knockKnock(String aString) {
- System.out.println(MESSAGE_RECEIVED + aString);
- CallBack callback = this.getCallBackFromComponentContext();
- callback.callBackMessage("Who's There");
- }
-
- /**
- * This function calls the callBackMessage function. The reference to this
- * function is received from the callback reference to the Service class.
- *
- * @param aString String passed by a function call
- */
- public void knockKnockByRef(String aString) {
- System.out.println(MESSAGE_RECEIVED + aString);
- callbackRef.getService().callBackMessage("Who's There");
- }
-
- /**
- * This function gets an object of ServiceImpl by calling
- * getCallBackInterface function. This function then places multiple
- * callbacks using the callbackIncrement function defined in the callback
- * implementation.
- *
- * @param aString String passed by a function call
- */
- public void multiCallBack(String aString) {
- CallBack callback = this.getCallBackFromComponentContext();
- System.out.println(MESSAGE_RECEIVED + aString);
- callback.callBackIncrement();
- callback.callBackIncrement();
- callback.callBackIncrement();
- }
-
- /**
- * This function does not callBack any function.
- *
- * @param aString String passed by a function call
- */
- public void noCallBack(String aString) {
- System.out.println(MESSAGE_RECEIVED + aString);
- }
-
- /**
- * This function gets an object of ServiceImpl from the present
- * componentContext.
- *
- * @return the callback
- */
- private CallBack getCallBackFromComponentContext() {
- return componentContext.getRequestContext().getCallback();
- }
-
-}