/*
* Copyright 2010-2013 the original author or authors.
*
* Licensed 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.springframework.data.gemfire.wan;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import java.util.List;
import javax.annotation.Resource;
import org.apache.geode.cache.asyncqueue.AsyncEvent;
import org.apache.geode.cache.asyncqueue.AsyncEventListener;
import org.apache.geode.cache.asyncqueue.AsyncEventQueue;
import org.apache.geode.cache.wan.GatewaySender;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.data.gemfire.test.GemfireTestApplicationContextInitializer;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* The AsyncEventQueueWithListenerIntegrationTest class is a test suite of test cases testing the circular references
* between an Async Event Queue and a registered AsyncEventListener that refers back to the Async Event Queue
* on which the listener is registered.
*
* @author John Blum
* @see org.junit.Test
* @see org.junit.runner.RunWith
* @see org.springframework.test.context.ContextConfiguration
* @see org.springframework.test.context.junit4.SpringJUnit4ClassRunner
* @see org.apache.geode.cache.asyncqueue.AsyncEventQueue
* @since 1.0.0
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(value = "asyncEventQueueWithListener.xml", initializers = GemfireTestApplicationContextInitializer.class)
@SuppressWarnings("unused")
public class AsyncEventQueueWithListenerIntegrationTest {
@Resource(name = "Q1")
private AsyncEventQueue queueOne;
@Resource(name = "Q2")
private AsyncEventQueue queueTwo;
@Resource(name = "Q3")
private AsyncEventQueue queueThree;
@Test
public void testAsyncEventQueueOneAndListenerConfiguration() {
assertNotNull(queueOne);
assertEquals("QueueOne", queueOne.getId());
assertFalse(queueOne.isPersistent());
assertFalse(queueOne.isParallel());
assertEquals(50, queueOne.getMaximumQueueMemory());
assertEquals(4, queueOne.getDispatcherThreads());
assertTrue(queueOne.getAsyncEventListener() instanceof TestAsyncEventListener);
assertSame(queueOne, ((TestAsyncEventListener) queueOne.getAsyncEventListener()).getQueue());
}
@Test
public void testAsyncEventQueueTwoAndListenerConfiguration() {
assertNotNull(queueTwo);
assertEquals("QueueTwo", queueTwo.getId());
assertFalse(queueTwo.isPersistent());
assertTrue(queueTwo.isParallel());
assertEquals(150, queueTwo.getMaximumQueueMemory());
assertEquals(GatewaySender.DEFAULT_DISPATCHER_THREADS, queueTwo.getDispatcherThreads());
assertTrue(queueTwo.getAsyncEventListener() instanceof TestAsyncEventListener);
assertEquals("ListenerTwo", ((TestAsyncEventListener) queueTwo.getAsyncEventListener()).getName());
}
@Test
public void testAsyncEventQueueThreeAndListenerConfiguration() {
assertNotNull(queueThree);
assertEquals("QueueThree", queueThree.getId());
assertFalse(queueThree.isPersistent());
assertFalse(queueThree.isParallel());
assertEquals(25, queueThree.getMaximumQueueMemory());
assertEquals(2, queueThree.getDispatcherThreads());
assertTrue(queueThree.getAsyncEventListener() instanceof TestAsyncEventListener);
assertSame(queueThree, ((TestAsyncEventListener) queueThree.getAsyncEventListener()).getQueue());
}
/**
* The QueueAsyncEventListener class is an implementation of the AsyncEventListener interface that contains
* a reference to the AsyncEventQueue upon which it is registered.
*
* @see org.apache.geode.cache.asyncqueue.AsyncEvent
* @see org.apache.geode.cache.asyncqueue.AsyncEventListener
* @see org.apache.geode.cache.asyncqueue.AsyncEventQueue
*/
@SuppressWarnings("unused")
public static class TestAsyncEventListener implements AsyncEventListener {
private AsyncEventQueue queue;
private String name;
public TestAsyncEventListener() {
this.queue = null;
}
public TestAsyncEventListener(final AsyncEventQueue queue) {
this.queue = queue;
}
public void init() {
getQueue();
System.out.printf("%1$s initialized!%n", this);
}
public AsyncEventQueue getQueue() {
Assert.state(queue != null, String.format("A reference to the Async Event Queue on which this listener"
+ " (%1$s) has been registered was not properly configured!", this));
return queue;
}
public String getName() {
return name;
}
public void setName(final String name) {
this.name = name;
}
public void setQueue(final AsyncEventQueue queue) {
this.queue = queue;
}
@Override
public boolean processEvents(final List<AsyncEvent> events) {
return false;
}
@Override
public void close() {
}
@Override
public String toString() {
return (StringUtils.hasText(getName()) ? getName() : getClass().getName());
}
}
}