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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 org.apache.activemq.artemis.tests.integration.client;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.apache.activemq.artemis.api.core.SimpleString;
import org.apache.activemq.artemis.api.core.client.ClientConsumer;
import org.apache.activemq.artemis.api.core.client.ClientMessage;
import org.apache.activemq.artemis.api.core.client.ClientProducer;
import org.apache.activemq.artemis.api.core.client.ClientSession;
import org.apache.activemq.artemis.api.core.client.ClientSessionFactory;
import org.apache.activemq.artemis.api.core.client.MessageHandler;
import org.apache.activemq.artemis.api.core.client.ServerLocator;
import org.apache.activemq.artemis.core.server.ActiveMQServer;
import org.apache.activemq.artemis.tests.integration.IntegrationTestLogger;
import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class MessageHandlerTest extends ActiveMQTestBase {
private static final IntegrationTestLogger log = IntegrationTestLogger.LOGGER;
private ActiveMQServer server;
private final SimpleString QUEUE = new SimpleString("ConsumerTestQueue");
private ServerLocator locator;
private ClientSessionFactory sf;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
server = createServer(false);
server.start();
locator = createInVMNonHALocator();
sf = createSessionFactory(locator);
}
@Test
public void testSetMessageHandlerWithMessagesPending() throws Exception {
ClientSession session = sf.createSession(false, true, true);
session.createQueue(QUEUE, QUEUE, null, false);
ClientProducer producer = session.createProducer(QUEUE);
final int numMessages = 100;
for (int i = 0; i < numMessages; i++) {
ClientMessage message = createTextMessage(session, "m" + i);
producer.send(message);
}
ClientConsumer consumer = session.createConsumer(QUEUE, null, true);
session.start();
Thread.sleep(100);
// Message should be in consumer
class MyHandler implements MessageHandler {
@Override
public void onMessage(final ClientMessage message) {
try {
Thread.sleep(10);
message.acknowledge();
} catch (Exception e) {
}
}
}
consumer.setMessageHandler(new MyHandler());
// Let a few messages get processed
Thread.sleep(100);
// Now set null
consumer.setMessageHandler(null);
// Give a bit of time for some queued executors to run
Thread.sleep(500);
// Make sure no exceptions were thrown from onMessage
Assert.assertNull(consumer.getLastException());
session.close();
}
@Test
public void testSetResetMessageHandler() throws Exception {
final ClientSession session = sf.createSession(false, true, true);
session.createQueue(QUEUE, QUEUE, null, false);
ClientProducer producer = session.createProducer(QUEUE);
final int numMessages = 100;
for (int i = 0; i < numMessages; i++) {
ClientMessage message = createTextMessage(session, "m" + i);
message.putIntProperty(new SimpleString("i"), i);
producer.send(message);
}
final ClientConsumer consumer = session.createConsumer(QUEUE);
CountDownLatch latch = new CountDownLatch(50);
// Message should be in consumer
class MyHandler implements MessageHandler {
int messageReceived = 0;
boolean failed;
boolean started = true;
private final CountDownLatch latch;
MyHandler(final CountDownLatch latch) {
this.latch = latch;
}
@Override
public void onMessage(final ClientMessage message) {
try {
if (!started) {
failed = true;
}
messageReceived++;
log.info("got message " + messageReceived);
latch.countDown();
if (latch.getCount() == 0) {
message.acknowledge();
started = false;
consumer.setMessageHandler(null);
}
} catch (Exception e) {
}
}
}
MyHandler handler = new MyHandler(latch);
consumer.setMessageHandler(handler);
session.start();
waitForLatch(latch);
Thread.sleep(100);
Assert.assertFalse(handler.failed);
// Make sure no exceptions were thrown from onMessage
Assert.assertNull(consumer.getLastException());
latch = new CountDownLatch(50);
handler = new MyHandler(latch);
consumer.setMessageHandler(handler);
session.start();
Assert.assertTrue("message received " + handler.messageReceived, latch.await(5, TimeUnit.SECONDS));
Thread.sleep(100);
Assert.assertFalse(handler.failed);
Assert.assertNull(consumer.getLastException());
session.close();
}
@Test
public void testSetUnsetMessageHandler() throws Exception {
final ClientSession session = sf.createSession(false, true, true);
session.createQueue(QUEUE, QUEUE, null, false);
ClientProducer producer = session.createProducer(QUEUE);
final int numMessages = 100;
for (int i = 0; i < numMessages; i++) {
ClientMessage message = createTextMessage(session, "m" + i);
message.putIntProperty(new SimpleString("i"), i);
producer.send(message);
}
final ClientConsumer consumer = session.createConsumer(QUEUE);
session.start();
CountDownLatch latch = new CountDownLatch(50);
// Message should be in consumer
class MyHandler implements MessageHandler {
int messageReceived = 0;
boolean failed;
boolean started = true;
private final CountDownLatch latch;
MyHandler(final CountDownLatch latch) {
this.latch = latch;
}
@Override
public void onMessage(final ClientMessage message) {
try {
if (!started) {
failed = true;
}
messageReceived++;
latch.countDown();
if (latch.getCount() == 0) {
message.acknowledge();
started = false;
consumer.setMessageHandler(null);
}
} catch (Exception e) {
}
}
}
MyHandler handler = new MyHandler(latch);
consumer.setMessageHandler(handler);
waitForLatch(latch);
Thread.sleep(100);
Assert.assertFalse(handler.failed);
// Make sure no exceptions were thrown from onMessage
Assert.assertNull(consumer.getLastException());
consumer.setMessageHandler(null);
ClientMessage cm = consumer.receiveImmediate();
Assert.assertNotNull(cm);
session.close();
}
@Test
public void testSetUnsetResetMessageHandler() throws Exception {
final ClientSession session = sf.createSession(false, true, true);
session.createQueue(QUEUE, QUEUE, null, false);
ClientProducer producer = session.createProducer(QUEUE);
final int numMessages = 100;
for (int i = 0; i < numMessages; i++) {
ClientMessage message = createTextMessage(session, "m" + i);
message.putIntProperty(new SimpleString("i"), i);
producer.send(message);
}
final ClientConsumer consumer = session.createConsumer(QUEUE);
session.start();
CountDownLatch latch = new CountDownLatch(50);
// Message should be in consumer
class MyHandler implements MessageHandler {
int messageReceived = 0;
boolean failed;
boolean started = true;
private final CountDownLatch latch;
MyHandler(final CountDownLatch latch) {
this.latch = latch;
}
@Override
public void onMessage(final ClientMessage message) {
try {
if (!started) {
failed = true;
}
messageReceived++;
latch.countDown();
if (latch.getCount() == 0) {
message.acknowledge();
started = false;
consumer.setMessageHandler(null);
}
} catch (Exception e) {
}
}
}
MyHandler handler = new MyHandler(latch);
consumer.setMessageHandler(handler);
waitForLatch(latch);
Thread.sleep(100);
Assert.assertFalse(handler.failed);
// Make sure no exceptions were thrown from onMessage
Assert.assertNull(consumer.getLastException());
consumer.setMessageHandler(null);
ClientMessage cm = consumer.receiveImmediate();
Assert.assertNotNull(cm);
latch = new CountDownLatch(49);
handler = new MyHandler(latch);
consumer.setMessageHandler(handler);
session.start();
Assert.assertTrue("message received " + handler.messageReceived, latch.await(5, TimeUnit.SECONDS));
Thread.sleep(100);
Assert.assertFalse(handler.failed);
Assert.assertNull(consumer.getLastException());
session.close();
}
}