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https://issues.apache.org/activemq/browse/AMQ-1024 

- Fix case where a non-exclusive consumer registered first will receive a message, before an exclusive consumer.
- Added junit test case to demonstrate the issue.

git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@473219 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Adrian T. Co 2006-11-10 07:16:25 +00:00
parent d71bc421f8
commit 8951023556
2 changed files with 31 additions and 1 deletions
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5
activemq-core/src/main/java/org/apache/activemq/broker/region/Queue.java
View File

@ -160,6 +160,11 @@ public class Queue implements Destination {
MessageEvaluationContext msgContext = context.getMessageEvaluationContext();
try {
synchronized (consumers) {
if (sub.getConsumerInfo().isExclusive()) {
// Add to front of list to ensure that an exclusive consumer gets all messages
// before non-exclusive consumers
consumers.add(0, sub);
} else {
consumers.add(sub);
}

25
activemq-core/src/test/java/org/apache/activemq/JMSExclusiveConsumerTest.java
View File

@ -128,4 +128,29 @@ public class JMSExclusiveConsumerTest extends JmsTestSupport {
assertNull(consumer1.receiveNoWait());
assertNull(consumer2.receiveNoWait());
}
public void testMixExclusiveWithNonExclusive() throws Exception {
ActiveMQQueue exclusiveQueue = new ActiveMQQueue("TEST.FOO?consumer.exclusive=true");
ActiveMQQueue nonExclusiveQueue = new ActiveMQQueue("TEST.FOO?consumer.exclusive=false");
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageConsumer nonExCon = session.createConsumer(nonExclusiveQueue);
MessageConsumer exCon = session.createConsumer(exclusiveQueue);
MessageProducer prod = session.createProducer(exclusiveQueue);
prod.send(session.createMessage());
prod.send(session.createMessage());
prod.send(session.createMessage());
Message m;
for (int i=0; i<3; i++) {
m = exCon.receive(1000);
assertNotNull(m);
m = nonExCon.receive(1000);
assertNull(m);
}
}
}