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fix for AMQ-896 and AMQ-837. Also tidied up the Queue / QueueView / QueueViewMBean code a little to make it easier to work with queues via Java / JMX allowing messages to be copied, moved and removed via a selector or MessageReferenceFilter 

git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@436899 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
James Strachan 2006-08-25 18:41:45 +00:00
parent fdb9c4153b
commit 9479de76fa
6 changed files with 449 additions and 99 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
activemq-core/src/main/java/org/apache/activemq/broker/jmx/QueueView.java
View File

@ -20,6 +20,7 @@ package org.apache.activemq.broker.jmx;
import javax.management.openmbean.CompositeData;
import javax.management.openmbean.OpenDataException;
import org.apache.activemq.broker.ConnectionContext;
import org.apache.activemq.broker.region.Queue;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.Message;
@ -39,16 +40,56 @@ public class QueueView extends DestinationView implements QueueViewMBean{
return OpenTypeSupport.convert(rc);
}
public boolean removeMessage(String messageId){
return ((Queue) destination).removeMessage(messageId);
}
public void purge(){
((Queue) destination).purge();
}
public boolean copyMessageTo(String messageId, String destinationName) throws Exception {
return ((Queue) destination).copyMessageTo(BrokerView.getConnectionContext(broker.getContextBroker()), messageId, ActiveMQDestination.createDestination(destinationName, ActiveMQDestination.QUEUE_TYPE));
public boolean removeMessage(String messageId) throws Exception{
return ((Queue) destination).removeMessage(messageId);
}
public int removeMatchingMessages(String selector) throws Exception {
return ((Queue) destination).removeMatchingMessages(selector);
}
public int removeMatchingMessages(String selector, int maximumMessages) throws Exception {
return ((Queue) destination).removeMatchingMessages(selector, maximumMessages);
}
public boolean copyMessageTo(String messageId, String destinationName) throws Exception {
ConnectionContext context = BrokerView.getConnectionContext(broker.getContextBroker());
ActiveMQDestination toDestination = ActiveMQDestination.createDestination(destinationName, ActiveMQDestination.QUEUE_TYPE);
return ((Queue) destination).copyMessageTo(context, messageId, toDestination);
}
public int copyMatchingMessagesTo(String selector, String destinationName) throws Exception {
ConnectionContext context = BrokerView.getConnectionContext(broker.getContextBroker());
ActiveMQDestination toDestination = ActiveMQDestination.createDestination(destinationName, ActiveMQDestination.QUEUE_TYPE);
return ((Queue) destination).copyMatchingMessagesTo(context, selector, toDestination);
}
public int copyMatchingMessagesTo(String selector, String destinationName, int maximumMessages) throws Exception {
ConnectionContext context = BrokerView.getConnectionContext(broker.getContextBroker());
ActiveMQDestination toDestination = ActiveMQDestination.createDestination(destinationName, ActiveMQDestination.QUEUE_TYPE);
return ((Queue) destination).copyMatchingMessagesTo(context, selector, toDestination, maximumMessages);
}
public boolean moveMessageTo(String messageId, String destinationName) throws Exception {
ConnectionContext context = BrokerView.getConnectionContext(broker.getContextBroker());
ActiveMQDestination toDestination = ActiveMQDestination.createDestination(destinationName, ActiveMQDestination.QUEUE_TYPE);
return ((Queue) destination).moveMessageTo(context, messageId, toDestination);
}
public int moveMatchingMessagesTo(String selector, String destinationName) throws Exception {
ConnectionContext context = BrokerView.getConnectionContext(broker.getContextBroker());
ActiveMQDestination toDestination = ActiveMQDestination.createDestination(destinationName, ActiveMQDestination.QUEUE_TYPE);
return ((Queue) destination).moveMatchingMessagesTo(context, selector, toDestination);
}
public int moveMatchingMessagesTo(String selector, String destinationName, int maximumMessages) throws Exception {
ConnectionContext context = BrokerView.getConnectionContext(broker.getContextBroker());
ActiveMQDestination toDestination = ActiveMQDestination.createDestination(destinationName, ActiveMQDestination.QUEUE_TYPE);
return ((Queue) destination).moveMatchingMessagesTo(context, selector, toDestination, maximumMessages);
}
}

87
activemq-core/src/main/java/org/apache/activemq/broker/jmx/QueueViewMBean.java
View File

@ -24,37 +24,92 @@ import javax.management.openmbean.OpenDataException;
public interface QueueViewMBean extends DestinationViewMBean {
/**
* Retrieve a message from the destination's queue.
*
* @param messageId the message id of the message to retreive
* @return A CompositeData object which is a JMX version of the messages
* @throws OpenDataException
*/
* Retrieve a message from the destination's queue.
*
* @param messageId
* the message id of the message to retrieve
* @return A CompositeData object which is a JMX version of the messages
* @throws OpenDataException
*/
public CompositeData getMessage(String messageId) throws OpenDataException;
/**
* Removes a message from the queue. If the message has allready been dispatched
* to another consumer, the message cannot be delted and this method will return
* false.
* Removes a message from the queue. If the message has already been
* dispatched to another consumer, the message cannot be deleted and this
* method will return false.
*
* @param messageId
* @return true if the message was found and could be succesfully deleted.
* @param messageId
* @return true if the message was found and could be successfully deleted.
* @throws Exception
*/
public boolean removeMessage(String messageId);
public boolean removeMessage(String messageId) throws Exception;
/**
* Emptys out all the messages in the queue.
* Removes the messages matching the given selector
*
* @return the number of messages removed
*/
public int removeMatchingMessages(String selector) throws Exception;
/**
* Removes the messages matching the given selector up to the maximum number of matched messages
*
* @return the number of messages removed
*/
public int removeMatchingMessages(String selector, int maximumMessages) throws Exception;
/**
* Removes all of the messages in the queue.
*/
public void purge();
/**
* Copys a given message to another destination.
* Copies a given message to another destination.
*
* @param messageId
* @param destinationName
* @return true if the message was found and was successfuly copied to the other destination.
* @return true if the message was found and was successfully copied to the
* other destination.
* @throws Exception
*/
public boolean copyMessageTo(String messageId, String destinationName) throws Exception;
/**
* Copies the messages matching the given selector
*
* @return the number of messages copied
*/
public int copyMatchingMessagesTo(String selector, String destinationName) throws Exception;
/**
* Copies the messages matching the given selector up to the maximum number of matched messages
*
* @return the number of messages copied
*/
public int copyMatchingMessagesTo(String selector, String destinationName, int maximumMessages) throws Exception;
/**
* Moves the message to another destination.
*
* @param messageId
* @param destinationName
* @return true if the message was found and was successfully copied to the
* other destination.
* @throws Exception
*/
public boolean moveMessageTo(String messageId, String destinationName) throws Exception;
/**
* Moves the messages matching the given selector
*
* @return the number of messages removed
*/
public int moveMatchingMessagesTo(String selector, String destinationName) throws Exception;
/**
* Moves the messages matching the given selector up to the maximum number of matched messages
*/
public int moveMatchingMessagesTo(String selector, String destinationName, int maximumMessages) throws Exception;
}

31
activemq-core/src/main/java/org/apache/activemq/broker/region/MessageReferenceFilter.java Normal file
View File

@ -0,0 +1,31 @@
/*
* 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.region;
import org.apache.activemq.broker.ConnectionContext;
import javax.jms.JMSException;
/**
* Represents a filter on message references
*
* @version $Revision$
*/
public interface MessageReferenceFilter {
public boolean evaluate(ConnectionContext context, MessageReference messageReference) throws JMSException;
}

323
activemq-core/src/main/java/org/apache/activemq/broker/region/Queue.java
View File

@ -33,8 +33,10 @@ import org.apache.activemq.command.ConsumerId;
import org.apache.activemq.command.Message;
import org.apache.activemq.command.MessageAck;
import org.apache.activemq.command.MessageId;
import org.apache.activemq.filter.BooleanExpression;
import org.apache.activemq.filter.MessageEvaluationContext;
import org.apache.activemq.memory.UsageManager;
import org.apache.activemq.selector.SelectorParser;
import org.apache.activemq.store.MessageRecoveryListener;
import org.apache.activemq.store.MessageStore;
import org.apache.activemq.thread.TaskRunnerFactory;
@ -44,6 +46,9 @@ import org.apache.activemq.util.BrokerSupport;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import javax.jms.InvalidSelectorException;
import javax.jms.JMSException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
@ -77,20 +82,21 @@ public class Queue implements Destination {
protected int highestSubscriptionPriority;
private DeadLetterStrategy deadLetterStrategy = new SharedDeadLetterStrategy();
private MessageGroupMapFactory messageGroupMapFactory = new MessageGroupHashBucketFactory();
public Queue(ActiveMQDestination destination, final UsageManager memoryManager, MessageStore store,
DestinationStatistics parentStats, TaskRunnerFactory taskFactory) throws Exception {
public Queue(ActiveMQDestination destination, final UsageManager memoryManager, MessageStore store, DestinationStatistics parentStats,
TaskRunnerFactory taskFactory) throws Exception {
this.destination = destination;
this.usageManager = new UsageManager(memoryManager);
this.usageManager.setLimit(Long.MAX_VALUE);
this.store = store;
// Let the store know what usage manager we are using so that he can flush messages to disk
// Let the store know what usage manager we are using so that he can
// flush messages to disk
// when usage gets high.
if( store!=null ) {
if (store != null) {
store.setUsageManager(usageManager);
}
destinationStatistics.setParent(parentStats);
this.log = LogFactory.getLog(getClass().getName() + "." + destination.getPhysicalName());
@ -110,8 +116,8 @@ public class Queue implements Destination {
public void recoverMessageReference(String messageReference) throws Exception {
throw new RuntimeException("Should not be called.");
}
public void finished(){
public void finished() {
}
});
}
@ -164,13 +170,15 @@ public class Queue implements Destination {
if (sub.matches(node, msgContext)) {
sub.add(node);
}
} catch (IOException e) {
}
catch (IOException e) {
log.warn("Could not load message: " + e, e);
}
}
}
} finally {
}
finally {
msgContext.clear();
dispatchValve.turnOn();
}
@ -225,8 +233,9 @@ public class Queue implements Destination {
}
}
}
// now lets dispatch from the copy of the collection to avoid deadlocks
// now lets dispatch from the copy of the collection to
// avoid deadlocks
for (Iterator iter = messagesToDispatch.iterator(); iter.hasNext();) {
IndirectMessageReference node = (IndirectMessageReference) iter.next();
node.incrementRedeliveryCounter();
@ -239,7 +248,8 @@ public class Queue implements Destination {
msgContext.clear();
}
}
} finally {
}
finally {
dispatchValve.turnOn();
}
@ -250,9 +260,10 @@ public class Queue implements Destination {
if (context.isProducerFlowControl()) {
if (usageManager.isSendFailIfNoSpace() && usageManager.isFull()) {
throw new javax.jms.ResourceAllocationException("Usage Manager memory limit reached");
} else {
usageManager.waitForSpace();
}
}
else {
usageManager.waitForSpace();
}
}
message.setRegionDestination(this);
@ -269,10 +280,12 @@ public class Queue implements Destination {
dispatch(context, node, message);
}
});
} else {
}
else {
dispatch(context, node, message);
}
} finally {
}
finally {
node.decrementReferenceCount();
}
}
@ -315,9 +328,10 @@ public class Queue implements Destination {
public void acknowledge(ConnectionContext context, Subscription sub, MessageAck ack, MessageReference node) throws IOException {
if (store != null && node.isPersistent()) {
// the original ack may be a ranged ack, but we are trying to delete a specific
// the original ack may be a ranged ack, but we are trying to delete
// a specific
// message store here so we need to convert to a non ranged ack.
if( ack.getMessageCount() > 0 ) {
if (ack.getMessageCount() > 0) {
// Dup the ack
MessageAck a = new MessageAck();
ack.copy(a);
@ -344,9 +358,8 @@ public class Queue implements Destination {
synchronized (messages) {
size = messages.size();
}
return "Queue: destination=" + destination.getPhysicalName() + ", subscriptions=" + consumers.size()
+ ", memory=" + usageManager.getPercentUsage() + "%, size=" + size + ", in flight groups="
+ messageGroupOwners;
return "Queue: destination=" + destination.getPhysicalName() + ", subscriptions=" + consumers.size() + ", memory=" + usageManager.getPercentUsage()
+ "%, size=" + size + ", in flight groups=" + messageGroupOwners;
}
public void start() throws Exception {
@ -364,7 +377,7 @@ public class Queue implements Destination {
public String getDestination() {
return destination.getPhysicalName();
}
public UsageManager getUsageManager() {
return usageManager;
}
@ -443,8 +456,7 @@ public class Queue implements Destination {
public void setMemoryLimit(long limit) {
getUsageManager().setLimit(limit);
}
// Implementation methods
// -------------------------------------------------------------------------
private MessageReference createMessageReference(Message message) {
@ -472,7 +484,8 @@ public class Queue implements Destination {
msgContext.setMessageReference(node);
dispatchPolicy.dispatch(context, node, msgContext, consumers);
} finally {
}
finally {
msgContext.clear();
dispatchValve.decrement();
}
@ -508,10 +521,12 @@ public class Queue implements Destination {
if (m != null) {
l.add(m);
}
} finally {
}
finally {
r.decrementReferenceCount();
}
} catch (IOException e) {
}
catch (IOException e) {
}
}
}
@ -519,33 +534,6 @@ public class Queue implements Destination {
return (Message[]) l.toArray(new Message[l.size()]);
}
public boolean removeMessage(String messageId) {
synchronized (messages) {
ConnectionContext c = new ConnectionContext();
for (Iterator iter = messages.iterator(); iter.hasNext();) {
try {
IndirectMessageReference r = (IndirectMessageReference) iter.next();
if (messageId.equals(r.getMessageId().toString())) {
// We should only delete messages that can be locked.
if( r.lock(LockOwner.HIGH_PRIORITY_LOCK_OWNER) ) {
MessageAck ack = new MessageAck();
ack.setAckType(MessageAck.STANDARD_ACK_TYPE);
ack.setDestination(destination);
ack.setMessageID(r.getMessageId());
acknowledge(c, null, ack, r);
r.drop();
dropEvent();
return true;
}
}
} catch (IOException e) {
}
}
}
return false;
}
public Message getMessage(String messageId) {
synchronized (messages) {
for (Iterator iter = messages.iterator(); iter.hasNext();) {
@ -558,12 +546,14 @@ public class Queue implements Destination {
if (m != null) {
return m;
}
} finally {
}
finally {
r.decrementReferenceCount();
}
break;
}
} catch (IOException e) {
}
catch (IOException e) {
}
}
}
@ -572,13 +562,13 @@ public class Queue implements Destination {
public void purge() {
synchronized (messages) {
ConnectionContext c = new ConnectionContext();
ConnectionContext c = createConnectionContext();
for (Iterator iter = messages.iterator(); iter.hasNext();) {
try {
IndirectMessageReference r = (IndirectMessageReference) iter.next();
// We should only delete messages that can be locked.
if( r.lock(LockOwner.HIGH_PRIORITY_LOCK_OWNER) ) {
if (r.lock(LockOwner.HIGH_PRIORITY_LOCK_OWNER)) {
MessageAck ack = new MessageAck();
ack.setAckType(MessageAck.STANDARD_ACK_TYPE);
ack.setDestination(destination);
@ -587,7 +577,8 @@ public class Queue implements Destination {
r.drop();
dropEvent(true);
}
} catch (IOException e) {
}
catch (IOException e) {
}
}
@ -596,27 +587,207 @@ public class Queue implements Destination {
gc();
}
}
public boolean copyMessageTo(ConnectionContext context, String messageId, ActiveMQDestination dest) throws Exception {
/**
* Removes the message matching the given messageId
*/
public boolean removeMessage(String messageId) throws Exception {
return removeMatchingMessages(createMessageIdFilter(messageId), 1) > 0;
}
/**
* Removes the messages matching the given selector
*
* @return the number of messages removed
*/
public int removeMatchingMessages(String selector) throws Exception {
return removeMatchingMessages(selector, -1);
}
/**
* Removes the messages matching the given selector up to the maximum number of matched messages
*
* @return the number of messages removed
*/
public int removeMatchingMessages(String selector, int maximumMessages) throws Exception {
return removeMatchingMessages(createSelectorFilter(selector), maximumMessages);
}
/**
* Removes the messages matching the given filter up to the maximum number of matched messages
*
* @return the number of messages removed
*/
public int removeMatchingMessages(MessageReferenceFilter filter, int maximumMessages) throws Exception {
int counter = 0;
synchronized (messages) {
ConnectionContext c = createConnectionContext();
for (Iterator iter = messages.iterator(); iter.hasNext();) {
try {
MessageReference r = (MessageReference) iter.next();
if (messageId.equals(r.getMessageId().toString())) {
r.incrementReferenceCount();
try {
Message m = r.getMessage();
BrokerSupport.resend(context, m, dest);
} finally {
r.decrementReferenceCount();
}
return true;
IndirectMessageReference r = (IndirectMessageReference) iter.next();
if (filter.evaluate(c, r)) {
// We should only delete messages that can be locked.
if (lockMessage(r)) {
removeMessage(c, r);
if (++counter >= maximumMessages && maximumMessages > 0) {
break;
}
}
} catch (IOException e) {
}
}
}
return false;
return counter;
}
/**
* Copies the message matching the given messageId
*/
public boolean copyMessageTo(ConnectionContext context, String messageId, ActiveMQDestination dest) throws Exception {
return copyMatchingMessages(context, createMessageIdFilter(messageId), dest, 1) > 0;
}
/**
* Copies the messages matching the given selector
*
* @return the number of messages copied
*/
public int copyMatchingMessagesTo(ConnectionContext context, String selector, ActiveMQDestination dest) throws Exception {
return copyMatchingMessagesTo(context, selector, dest, -1);
}
/**
* Copies the messages matching the given selector up to the maximum number of matched messages
*
* @return the number of messages copied
*/
public int copyMatchingMessagesTo(ConnectionContext context, String selector, ActiveMQDestination dest, int maximumMessages) throws Exception {
return copyMatchingMessages(context, createSelectorFilter(selector), dest, maximumMessages);
}
/**
* Copies the messages matching the given filter up to the maximum number of matched messages
*
* @return the number of messages copied
*/
public int copyMatchingMessages(ConnectionContext context, MessageReferenceFilter filter, ActiveMQDestination dest, int maximumMessages) throws Exception {
int counter = 0;
synchronized (messages) {
for (Iterator iter = messages.iterator(); iter.hasNext();) {
MessageReference r = (MessageReference) iter.next();
if (filter.evaluate(context, r)) {
r.incrementReferenceCount();
try {
Message m = r.getMessage();
BrokerSupport.resend(context, m, dest);
if (++counter >= maximumMessages && maximumMessages > 0) {
break;
}
}
finally {
r.decrementReferenceCount();
}
}
}
}
return counter;
}
/**
* Moves the message matching the given messageId
*/
public boolean moveMessageTo(ConnectionContext context, String messageId, ActiveMQDestination dest) throws Exception {
return moveMatchingMessagesTo(context, createMessageIdFilter(messageId), dest, 1) > 0;
}
/**
* Moves the messages matching the given selector
*
* @return the number of messages removed
*/
public int moveMatchingMessagesTo(ConnectionContext context, String selector, ActiveMQDestination dest) throws Exception {
return moveMatchingMessagesTo(context, selector, dest, -1);
}
/**
* Moves the messages matching the given selector up to the maximum number of matched messages
*/
public int moveMatchingMessagesTo(ConnectionContext context, String selector, ActiveMQDestination dest, int maximumMessages) throws Exception {
return moveMatchingMessagesTo(context, createSelectorFilter(selector), dest, maximumMessages);
}
/**
* Moves the messages matching the given filter up to the maximum number of matched messages
*/
public int moveMatchingMessagesTo(ConnectionContext context, MessageReferenceFilter filter, ActiveMQDestination dest, int maximumMessages) throws Exception {
int counter = 0;
synchronized (messages) {
for (Iterator iter = messages.iterator(); iter.hasNext();) {
IndirectMessageReference r = (IndirectMessageReference) iter.next();
if (filter.evaluate(context, r)) {
// We should only move messages that can be locked.
if (lockMessage(r)) {
r.incrementReferenceCount();
try {
Message m = r.getMessage();
BrokerSupport.resend(context, m, dest);
removeMessage(context, r);
if (++counter >= maximumMessages && maximumMessages > 0) {
break;
}
}
finally {
r.decrementReferenceCount();
}
}
}
}
}
return counter;
}
protected MessageReferenceFilter createMessageIdFilter(final String messageId) {
return new MessageReferenceFilter() {
public boolean evaluate(ConnectionContext context, MessageReference r) {
return messageId.equals(r.getMessageId().toString());
}
};
}
protected MessageReferenceFilter createSelectorFilter(String selector) throws InvalidSelectorException {
final BooleanExpression selectorExpression = new SelectorParser().parse(selector);
return new MessageReferenceFilter() {
public boolean evaluate(ConnectionContext context, MessageReference r) throws JMSException {
MessageEvaluationContext messageEvaluationContext = context.getMessageEvaluationContext();
messageEvaluationContext.setMessageReference(r);
if (messageEvaluationContext.getDestination() == null) {
messageEvaluationContext.setDestination(getActiveMQDestination());
}
return selectorExpression.matches(messageEvaluationContext);
}
};
}
protected void removeMessage(ConnectionContext c, IndirectMessageReference r) throws IOException {
MessageAck ack = new MessageAck();
ack.setAckType(MessageAck.STANDARD_ACK_TYPE);
ack.setDestination(destination);
ack.setMessageID(r.getMessageId());
acknowledge(c, null, ack, r);
r.drop();
dropEvent();
}
protected boolean lockMessage(IndirectMessageReference r) {
return r.lock(LockOwner.HIGH_PRIORITY_LOCK_OWNER);
}
protected ConnectionContext createConnectionContext() {
ConnectionContext answer = new ConnectionContext();
answer.getMessageEvaluationContext().setDestination(getActiveMQDestination());
return answer;
}
}

1
activemq-core/src/main/java/org/apache/activemq/broker/region/QueueSubscription.java
View File

@ -33,7 +33,6 @@ import javax.jms.InvalidSelectorException;
import javax.jms.JMSException;
import java.io.IOException;
import java.util.Iterator;
public class QueueSubscription extends PrefetchSubscription implements LockOwner {

53
activemq-core/src/test/java/org/apache/activemq/broker/jmx/MBeanTest.java
View File

@ -74,6 +74,58 @@ public class MBeanTest extends EmbeddedBrokerTestSupport {
assertQueueBrowseWorks();
assertCreateAndDestroyDurableSubscriptions();
}
public void testMoveMessagesBySelector() throws Exception {
connection = connectionFactory.createConnection();
useConnection(connection);
ObjectName queueViewMBeanName = assertRegisteredObjectName(domain + ":Type=Queue,Destination=" + getDestinationString() + ",BrokerName=localhost");
QueueViewMBean queue = (QueueViewMBean) MBeanServerInvocationHandler.newProxyInstance(mbeanServer, queueViewMBeanName, QueueViewMBean.class, true);
String newDestination = "test.new.destination." + getClass() + "." + getName();
queue.moveMatchingMessagesTo("counter > 2", newDestination );
queueViewMBeanName = assertRegisteredObjectName(domain + ":Type=Queue,Destination=" + newDestination + ",BrokerName=localhost");
queue = (QueueViewMBean) MBeanServerInvocationHandler.newProxyInstance(mbeanServer, queueViewMBeanName, QueueViewMBean.class, true);
assertTrue("Should have at least one message in the queue: " + queueViewMBeanName, queue.getQueueSize() > 0);
// now lets remove them by selector
queue.removeMatchingMessages("counter > 2");
assertEquals("Should have no more messages in the queue: " + queueViewMBeanName, 0, queue.getQueueSize());
}
public void testCopyMessagesBySelector() throws Exception {
connection = connectionFactory.createConnection();
useConnection(connection);
ObjectName queueViewMBeanName = assertRegisteredObjectName(domain + ":Type=Queue,Destination=" + getDestinationString() + ",BrokerName=localhost");
QueueViewMBean queue = (QueueViewMBean) MBeanServerInvocationHandler.newProxyInstance(mbeanServer, queueViewMBeanName, QueueViewMBean.class, true);
String newDestination = "test.new.destination." + getClass() + "." + getName();
long queueSize = queue.getQueueSize();
queue.copyMatchingMessagesTo("counter > 2", newDestination);
assertEquals("Should have same number of messages in the queue: " + queueViewMBeanName, queueSize, queueSize);
queueViewMBeanName = assertRegisteredObjectName(domain + ":Type=Queue,Destination=" + newDestination + ",BrokerName=localhost");
queue = (QueueViewMBean) MBeanServerInvocationHandler.newProxyInstance(mbeanServer, queueViewMBeanName, QueueViewMBean.class, true);
log.info("Queue: " + queueViewMBeanName + " now has: " + queue.getQueueSize() + " message(s)");
assertTrue("Should have at least one message in the queue: " + queueViewMBeanName, queue.getQueueSize() > 0);
// now lets remove them by selector
queue.removeMatchingMessages("counter > 2");
assertEquals("Should have no more messages in the queue: " + queueViewMBeanName, 0, queue.getQueueSize());
}
protected void assertQueueBrowseWorks() throws Exception {
Integer mbeancnt = mbeanServer.getMBeanCount();
@ -205,6 +257,7 @@ public class MBeanTest extends EmbeddedBrokerTestSupport {
MessageProducer producer = session.createProducer(destination);
for (int i = 0; i < messageCount; i++) {
Message message = session.createTextMessage("Message: " + i);
message.setIntProperty("counter", i);
producer.send(message);
}
Thread.sleep(1000);