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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.qpid.client;
import javax.jms.Connection;
import javax.jms.MessageConsumer;
import javax.jms.Queue;
import javax.jms.Session;
import org.apache.qpid.configuration.ClientProperties;
import org.apache.qpid.test.utils.QpidBrokerTestCase;
public class SynchReceiveTest extends QpidBrokerTestCase
{
private static final long AWAIT_MESSAGE_TIMEOUT = 2000;
private static final long AWAIT_MESSAGE_TIMEOUT_NEGATIVE = 250;
private static final int MSG_COUNT = 10;
private final String _testQueueName = getTestQueueName();
private Connection _consumerConnection;
private Session _consumerSession;
private MessageConsumer _consumer;
private Queue _queue;
protected void setUp() throws Exception
{
super.setUp();
_consumerConnection = getConnection();
_consumerConnection.start();
_consumerSession = _consumerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
_queue = _consumerSession.createQueue(_testQueueName);
_consumer = _consumerSession.createConsumer(_queue);
// Populate queue
Connection producerConnection = getConnection();
Session producerSession = producerConnection.createSession(true, Session.SESSION_TRANSACTED);
sendMessage(producerSession, _queue, MSG_COUNT);
producerConnection.close();
}
public void testReceiveWithTimeout() throws Exception
{
for (int msg = 0; msg < MSG_COUNT; msg++)
{
assertNotNull("Expected message number " + msg, _consumer.receive(AWAIT_MESSAGE_TIMEOUT));
}
assertNull("Received too many messages", _consumer.receive(500));
}
public void testReceiveNoWait() throws Exception
{
for (int msg = 0; msg < MSG_COUNT; msg++)
{
assertNotNull("Expected message number " + msg, _consumer.receiveNoWait());
}
assertNull("Received too many messages", _consumer.receive(500));
}
public void testTwoConsumersInterleaved() throws Exception
{
//create a new connection with prefetch set to 1
_consumerConnection.close();
setTestClientSystemProperty(ClientProperties.MAX_PREFETCH_PROP_NAME, new Integer(1).toString());
_consumerConnection = getConnection();
_consumerConnection.start();
Session consumerSession1 = _consumerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageConsumer consumer1 = consumerSession1.createConsumer(_queue);
Session consumerSession2 = _consumerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageConsumer consumer2 = consumerSession2.createConsumer(_queue);
final int maxLoops = MSG_COUNT * 2;
int msg = 0;
int loops = 0;
while(msg < MSG_COUNT && loops < maxLoops)
{
if (consumer1.receive(AWAIT_MESSAGE_TIMEOUT) != null)
{
msg++;
}
if (consumer2.receive(AWAIT_MESSAGE_TIMEOUT) != null)
{
msg++;
}
loops++;
}
assertEquals("Not all messages received.", MSG_COUNT, msg);
assertNull("Received too many messages", consumer1.receive(AWAIT_MESSAGE_TIMEOUT_NEGATIVE));
assertNull("Received too many messages", consumer2.receive(AWAIT_MESSAGE_TIMEOUT_NEGATIVE));
}
public void testIdleSecondConsumer() throws Exception
{
Session idleSession = _consumerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
@SuppressWarnings("unused")
MessageConsumer idleConsumerOnSameQueue = idleSession.createConsumer(_queue);
// Since we don't call receive on the idle consumer, all messages will flow to other
for (int msg = 0; msg < MSG_COUNT; msg++)
{
assertNotNull("Expected message number " + msg, _consumer.receive(AWAIT_MESSAGE_TIMEOUT));
}
assertNull("Received too many messages", _consumer.receive(AWAIT_MESSAGE_TIMEOUT_NEGATIVE));
}
}
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