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applied patch for http://issues.apache.org/activemq/browse/AMQ-967 

git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@476523 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jonas B. Lim 2006-11-18 13:35:51 +00:00
parent 97d0a61057
commit 979c5d55ee
4 changed files with 112 additions and 2 deletions
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3
activemq-core/src/main/java/org/apache/activemq/ActiveMQMessageConsumer.java
View File

@ -802,7 +802,8 @@ public class ActiveMQMessageConsumer implements MessageAvailableConsumer, StatsC
redeliveryDelay = redeliveryPolicy.getRedeliveryDelay(redeliveryDelay);
rollbackCounter++;
if(rollbackCounter>redeliveryPolicy.getMaximumRedeliveries()){
if(redeliveryPolicy.getMaximumRedeliveries() != RedeliveryPolicy.NO_MAXIMUM_REDELIVERIES
&& rollbackCounter>redeliveryPolicy.getMaximumRedeliveries()){
// We need to NACK the messages so that they get sent to the
// DLQ.
// Acknowledge the last message.

3
activemq-core/src/main/java/org/apache/activemq/ActiveMQSession.java
View File

@ -714,7 +714,8 @@ public class ActiveMQSession implements Session, QueueSession, TopicSession, Sta
RedeliveryPolicy redeliveryPolicy = connection.getRedeliveryPolicy();
int redeliveryCounter = md.getMessage().getRedeliveryCounter();
if (redeliveryCounter > redeliveryPolicy.getMaximumRedeliveries()) {
if (redeliveryPolicy.getMaximumRedeliveries() != RedeliveryPolicy.NO_MAXIMUM_REDELIVERIES
&& redeliveryCounter > redeliveryPolicy.getMaximumRedeliveries()) {
// We need to NACK the messages so that they get sent to the
// DLQ.

2
activemq-core/src/main/java/org/apache/activemq/RedeliveryPolicy.java
View File

@ -30,6 +30,8 @@ import java.util.Random;
*/
public class RedeliveryPolicy implements Cloneable, Serializable {
public static final int NO_MAXIMUM_REDELIVERIES = -1;
// +/-15% for a 30% spread -cgs
protected double collisionAvoidanceFactor = 0.15d;
protected int maximumRedeliveries = 6;

106
activemq-core/src/test/java/org/apache/activemq/RedeliveryPolicyTest.java
View File

@ -199,4 +199,110 @@ public class RedeliveryPolicyTest extends JmsTestSupport {
session.commit();
}
/**
* @throws Exception
*/
public void testInfiniteMaximumNumberOfRedeliveries() throws Exception {
// Receive a message with the JMS API
RedeliveryPolicy policy = connection.getRedeliveryPolicy();
policy.setInitialRedeliveryDelay(100);
policy.setUseExponentialBackOff(false);
// let's set the maximum redeliveries to no maximum (ie. infinite)
policy.setMaximumRedeliveries(-1);
connection.start();
Session session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
ActiveMQQueue destination = new ActiveMQQueue("TEST");
MessageProducer producer = session.createProducer(destination);
MessageConsumer consumer = session.createConsumer(destination);
// Send the messages
producer.send(session.createTextMessage("1st"));
producer.send(session.createTextMessage("2nd"));
session.commit();
TextMessage m;
m = (TextMessage)consumer.receive(1000);
assertNotNull(m);
assertEquals("1st", m.getText());
session.rollback();
//we should be able to get the 1st message redelivered until a session.commit is called
m = (TextMessage)consumer.receive(1000);
assertNotNull(m);
assertEquals("1st", m.getText());
session.rollback();
m = (TextMessage)consumer.receive(1000);
assertNotNull(m);
assertEquals("1st", m.getText());
session.rollback();
m = (TextMessage)consumer.receive(1000);
assertNotNull(m);
assertEquals("1st", m.getText());
session.rollback();
m = (TextMessage)consumer.receive(1000);
assertNotNull(m);
assertEquals("1st", m.getText());
session.rollback();
m = (TextMessage)consumer.receive(1000);
assertNotNull(m);
assertEquals("1st", m.getText());
session.commit();
m = (TextMessage)consumer.receive(1000);
assertNotNull(m);
assertEquals("2nd", m.getText());
session.commit();
}
/**
* @throws Exception
*/
public void testZeroMaximumNumberOfRedeliveries() throws Exception {
// Receive a message with the JMS API
RedeliveryPolicy policy = connection.getRedeliveryPolicy();
policy.setInitialRedeliveryDelay(100);
policy.setUseExponentialBackOff(false);
//let's set the maximum redeliveries to 0
policy.setMaximumRedeliveries(0);
connection.start();
Session session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
ActiveMQQueue destination = new ActiveMQQueue("TEST");
MessageProducer producer = session.createProducer(destination);
MessageConsumer consumer = session.createConsumer(destination);
// Send the messages
producer.send(session.createTextMessage("1st"));
producer.send(session.createTextMessage("2nd"));
session.commit();
TextMessage m;
m = (TextMessage)consumer.receive(1000);
assertNotNull(m);
assertEquals("1st", m.getText());
session.rollback();
//the 1st message should not be redelivered since maximumRedeliveries is set to 0
m = (TextMessage)consumer.receive(1000);
assertNotNull(m);
assertEquals("2nd", m.getText());
session.commit();
}
}