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https://issues.apache.org/jira/browse/AMQ-4362 - Broker-based redelivery plugin - support for maximumRedeliveries="-1" 

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1454330 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Gary Tully 2013-03-08 11:43:46 +00:00
parent 2d46399ff3
commit fc15f130d1
3 changed files with 34 additions and 17 deletions
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5
activemq-broker/src/main/java/org/apache/activemq/broker/util/RedeliveryPlugin.java
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@ -135,8 +135,9 @@ public class RedeliveryPlugin extends BrokerPluginSupport {
Destination regionDestination = (Destination) messageReference.getRegionDestination();
final RedeliveryPolicy redeliveryPolicy = redeliveryPolicyMap.getEntryFor(regionDestination.getActiveMQDestination());
if (redeliveryPolicy != null) {
final int maximumRedeliveries = redeliveryPolicy.getMaximumRedeliveries();
int redeliveryCount = messageReference.getRedeliveryCounter();
if (redeliveryCount < redeliveryPolicy.getMaximumRedeliveries()) {
if (RedeliveryPolicy.NO_MAXIMUM_REDELIVERIES == maximumRedeliveries || redeliveryCount < maximumRedeliveries) {
long delay = ( redeliveryCount == 0 ?
redeliveryPolicy.getInitialRedeliveryDelay() :
@ -146,7 +147,7 @@ public class RedeliveryPlugin extends BrokerPluginSupport {
} else if (isSendToDlqIfMaxRetriesExceeded()) {
super.sendToDeadLetterQueue(context, messageReference, subscription);
} else {
LOG.debug("Discarding message that exceeds max redelivery count, " + messageReference.getMessageId());
LOG.debug("Discarding message that exceeds max redelivery count( " + maximumRedeliveries + "), " + messageReference.getMessageId());
}
} else if (isFallbackToDeadLetter()) {
super.sendToDeadLetterQueue(context, messageReference, subscription);

4
activemq-client/src/main/java/org/apache/activemq/RedeliveryPolicy.java
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@ -32,11 +32,13 @@ import org.apache.activemq.util.IntrospectionSupport;
public class RedeliveryPolicy extends DestinationMapEntry implements Cloneable, Serializable {
public static final int NO_MAXIMUM_REDELIVERIES = -1;
public static final int DEFAULT_MAXIMUM_REDELIVERIES = 6;
private static Random randomNumberGenerator;
// +/-15% for a 30% spread -cgs
protected double collisionAvoidanceFactor = 0.15d;
protected int maximumRedeliveries = 6;
protected int maximumRedeliveries = DEFAULT_MAXIMUM_REDELIVERIES;
protected long maximumRedeliveryDelay = -1;
protected long initialRedeliveryDelay = 1000L;
protected boolean useCollisionAvoidance;

42
activemq-unit-tests/src/test/java/org/apache/activemq/broker/BrokerRedeliveryTest.java
View File

@ -40,10 +40,20 @@ public class BrokerRedeliveryTest extends org.apache.activemq.TestSupport {
final ActiveMQQueue destination = new ActiveMQQueue("Redelivery");
final String data = "hi";
final long redeliveryDelayMillis = 2000;
final int maxBrokerRedeliveries = 2;
int maxBrokerRedeliveries = 2;
public void testScheduledRedelivery() throws Exception {
doTestScheduledRedelivery(maxBrokerRedeliveries, true);
}
public void testInfiniteRedelivery() throws Exception {
maxBrokerRedeliveries = RedeliveryPolicy.NO_MAXIMUM_REDELIVERIES;
doTestScheduledRedelivery(RedeliveryPolicy.DEFAULT_MAXIMUM_REDELIVERIES + 1, false);
}
public void doTestScheduledRedelivery(int maxBrokerRedeliveriesToValidate, boolean validateDLQ) throws Exception {
startBroker(true);
sendMessage(0);
ActiveMQConnection consumerConnection = (ActiveMQConnection) createConnection();
@ -59,7 +69,7 @@ public class BrokerRedeliveryTest extends org.apache.activemq.TestSupport {
LOG.info("got: " + message);
consumerSession.rollback();
for (int i=0;i<maxBrokerRedeliveries;i++) {
for (int i=0;i<maxBrokerRedeliveriesToValidate;i++) {
Message shouldBeNull = consumer.receive(500);
assertNull("did not get message after redelivery count exceeded: " + shouldBeNull, shouldBeNull);
@ -74,15 +84,25 @@ public class BrokerRedeliveryTest extends org.apache.activemq.TestSupport {
consumerSession.rollback();
}
// validate DLQ
MessageConsumer dlqConsumer = consumerSession.createConsumer(new ActiveMQQueue(SharedDeadLetterStrategy.DEFAULT_DEAD_LETTER_QUEUE_NAME));
Message dlqMessage = dlqConsumer.receive(2000);
assertNotNull("Got message from dql", dlqMessage);
assertEquals("message matches", message.getStringProperty("data"), dlqMessage.getStringProperty("data"));
consumerSession.commit();
if (validateDLQ) {
MessageConsumer dlqConsumer = consumerSession.createConsumer(new ActiveMQQueue(SharedDeadLetterStrategy.DEFAULT_DEAD_LETTER_QUEUE_NAME));
Message dlqMessage = dlqConsumer.receive(2000);
assertNotNull("Got message from dql", dlqMessage);
assertEquals("message matches", message.getStringProperty("data"), dlqMessage.getStringProperty("data"));
consumerSession.commit();
} else {
// consume/commit ok
message = consumer.receive(3000);
assertNotNull("got message", message);
assertEquals("redeliveries accounted for", maxBrokerRedeliveriesToValidate + 2, message.getLongProperty("JMSXDeliveryCount"));
consumerSession.commit();
}
consumerConnection.close();
}
public void testNoScheduledRedeliveryOfExpired() throws Exception {
startBroker(true);
ActiveMQConnection consumerConnection = (ActiveMQConnection) createConnection();
consumerConnection.start();
Session consumerSession = consumerConnection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
@ -155,12 +175,6 @@ public class BrokerRedeliveryTest extends org.apache.activemq.TestSupport {
return new ActiveMQConnectionFactory("vm://localhost");
}
@Override
protected void setUp() throws Exception {
super.setUp();
startBroker(true);
}
@Override
protected void tearDown() throws Exception {
stopBroker();