git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@646340 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Davies 2008-04-09 13:38:47 +00:00
parent 4ac45fb362
commit 456c1b157b
1 changed files with 150 additions and 0 deletions

View File

@ -0,0 +1,150 @@
/**
* 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.broker.policy;
import java.util.concurrent.atomic.AtomicInteger;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.Session;
import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.RedeliveryPolicy;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class MessageListenerDeadLetterTest extends DeadLetterTestSupport {
private static final Log LOG = LogFactory
.getLog(MessageListenerDeadLetterTest.class);
private int rollbackCount;
private Session dlqSession;
private final Error[] error = new Error[1];
protected void doTest() throws Exception {
messageCount = 200;
connection.start();
ActiveMQConnection amqConnection = (ActiveMQConnection) connection;
rollbackCount = amqConnection.getRedeliveryPolicy().getMaximumRedeliveries() + 1;
LOG.info("Will redeliver messages: " + rollbackCount + " times");
makeConsumer();
makeDlqConsumer();
sendMessages();
// now lets receive and rollback N times
int maxRollbacks = messageCount * rollbackCount;
consumer.setMessageListener(new RollbackMessageListener(maxRollbacks, rollbackCount));
for (int i = 0; i < messageCount; i++) {
Message msg = dlqConsumer.receive(4000);
if (error[0] != null) {
// error from message listener
throw error[0];
}
assertMessage(msg, i);
assertNotNull("Should be a DLQ message for loop: " + i, msg);
}
if (error[0] != null) {
throw error[0];
}
}
protected void makeDlqConsumer() throws JMSException {
dlqDestination = createDlqDestination();
LOG.info("Consuming from dead letter on: " + dlqDestination);
dlqConsumer = dlqSession.createConsumer(dlqDestination);
}
@Override
protected void setUp() throws Exception {
transactedMode = true;
super.setUp();
dlqSession = connection.createSession(transactedMode, acknowledgeMode);
}
@Override
protected void tearDown() throws Exception {
dlqConsumer.close();
dlqSession.close();
session.close();
super.tearDown();
};
protected ActiveMQConnectionFactory createConnectionFactory()
throws Exception {
ActiveMQConnectionFactory answer = super.createConnectionFactory();
RedeliveryPolicy policy = new RedeliveryPolicy();
policy.setMaximumRedeliveries(3);
policy.setBackOffMultiplier((short) 1);
policy.setInitialRedeliveryDelay(0);
policy.setUseExponentialBackOff(false);
answer.setRedeliveryPolicy(policy);
return answer;
}
protected Destination createDlqDestination() {
return new ActiveMQQueue("ActiveMQ.DLQ");
}
class RollbackMessageListener implements MessageListener {
final int maxRollbacks;
final int deliveryCount;
AtomicInteger rollbacks = new AtomicInteger();
RollbackMessageListener(int c, int delvery) {
maxRollbacks = c;
deliveryCount = delvery;
}
public void onMessage(Message message) {
try {
int expectedMessageId = rollbacks.get() / deliveryCount;
LOG.info("expecting messageId: " + expectedMessageId);
assertMessage(message, expectedMessageId);
if (rollbacks.incrementAndGet() > maxRollbacks) {
fail("received too many messages, already done too many rollbacks: "
+ rollbacks);
}
session.rollback();
} catch (Throwable e) {
LOG.error("unexpected exception:" + e, e);
// propagating assertError to execution task will cause a hang
// at shutdown
if (e instanceof Error) {
error[0] = (Error) e;
} else {
fail("unexpected exception: " + e);
}
}
}
}
}