| /* |
| * 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.cloudstack.framework.codestyle; |
| |
| import java.util.concurrent.ExecutionException; |
| |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.springframework.test.context.ContextConfiguration; |
| import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; |
| |
| import org.apache.cloudstack.framework.async.AsyncCallFuture; |
| import org.apache.cloudstack.framework.async.AsyncCallbackDispatcher; |
| import org.apache.cloudstack.framework.async.AsyncCallbackDriver; |
| import org.apache.cloudstack.framework.async.AsyncCompletionCallback; |
| import org.apache.cloudstack.framework.async.AsyncRpcContext; |
| |
| @RunWith(SpringJUnit4ClassRunner.class) |
| @ContextConfiguration(locations = "classpath:/SampleManagementServerAppContext.xml") |
| public class AsyncSampleEventDrivenStyleCaller { |
| private AsyncSampleCallee _ds; |
| AsyncCallbackDriver _callbackDriver; |
| |
| @Before |
| public void setup() { |
| _ds = new AsyncSampleCallee(); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Test |
| public void MethodThatWillCallAsyncMethod() { |
| String vol = new String("Hello"); |
| AsyncCallbackDispatcher<AsyncSampleEventDrivenStyleCaller, Object> caller = AsyncCallbackDispatcher.create(this); |
| AsyncCallFuture<String> future = _ds.createVolume(vol); |
| try { |
| String result = future.get(); |
| Assert.assertEquals(result, vol); |
| } catch (InterruptedException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } catch (ExecutionException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| } |
| |
| private class TestContext<T> extends AsyncRpcContext<T> { |
| private boolean finished; |
| private String result; |
| |
| /** |
| * @param callback |
| */ |
| public TestContext(AsyncCompletionCallback<T> callback) { |
| super(callback); |
| this.finished = false; |
| } |
| |
| public void setResult(String result) { |
| this.result = result; |
| synchronized (this) { |
| this.finished = true; |
| this.notify(); |
| } |
| } |
| |
| public String getResult() { |
| synchronized (this) { |
| if (!this.finished) { |
| try { |
| this.wait(); |
| |
| } catch (InterruptedException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| } |
| return this.result; |
| } |
| } |
| |
| } |
| |
| @Test |
| public void installCallback() { |
| TestContext<String> context = new TestContext<String>(null); |
| AsyncCallbackDispatcher<AsyncSampleEventDrivenStyleCaller, Object> caller = AsyncCallbackDispatcher.create(this); |
| caller.setCallback(caller.getTarget().HandleVolumeCreateAsyncCallback(null, null)).setContext(context); |
| String test = "test"; |
| _ds.createVolumeAsync(test, caller); |
| Assert.assertEquals(test, context.getResult()); |
| } |
| |
| protected Void HandleVolumeCreateAsyncCallback(AsyncCallbackDispatcher<AsyncSampleEventDrivenStyleCaller, String> callback, TestContext<String> context) { |
| String resultVol = callback.getResult(); |
| context.setResult(resultVol); |
| return null; |
| } |
| |
| public static void main(String[] args) { |
| AsyncSampleEventDrivenStyleCaller caller = new AsyncSampleEventDrivenStyleCaller(); |
| caller.MethodThatWillCallAsyncMethod(); |
| } |
| } |