/**
* 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.jmx;
import javax.management.openmbean.CompositeData;
import javax.management.openmbean.OpenDataException;
import javax.jms.JMSException;
import org.apache.activemq.broker.ConnectionContext;
import org.apache.activemq.broker.region.Queue;
import org.apache.activemq.broker.region.QueueMessageReference;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.Message;
import org.apache.activemq.util.BrokerSupport;
/**
* Provides a JMX Management view of a Queue.
*/
public class QueueView extends DestinationView implements QueueViewMBean {
public QueueView(ManagedRegionBroker broker, Queue destination) {
super(broker, destination);
}
public CompositeData getMessage(String messageId) throws OpenDataException {
CompositeData result = null;
QueueMessageReference ref = ((Queue)destination).getMessage(messageId);
if (ref != null) {
Message rc = ref.getMessage();
if (rc == null) {
return null;
}
result = OpenTypeSupport.convert(rc);
}
return result;
}
public void purge() throws Exception {
((Queue)destination).purge();
}
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 = BrokerSupport.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 = BrokerSupport.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 = BrokerSupport.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 = BrokerSupport.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 = BrokerSupport.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 = BrokerSupport.getConnectionContext(broker.getContextBroker());
ActiveMQDestination toDestination = ActiveMQDestination.createDestination(destinationName, ActiveMQDestination.QUEUE_TYPE);
return ((Queue)destination).moveMatchingMessagesTo(context, selector, toDestination, maximumMessages);
}
/**
* Moves a message back to its original destination
*/
public boolean retryMessage(String messageId) throws Exception {
Queue queue = (Queue) destination;
QueueMessageReference ref = queue.getMessage(messageId);
Message rc = ref.getMessage();
if (rc != null) {
ActiveMQDestination originalDestination = rc.getOriginalDestination();
if (originalDestination != null) {
ConnectionContext context = BrokerSupport.getConnectionContext(broker.getContextBroker());
return queue.moveMessageTo(context, ref, originalDestination);
}
else {
throw new JMSException("No original destination for message: "+ messageId);
}
}
else {
throw new JMSException("Could not find message: "+ messageId);
}
}
public int cursorSize() {
Queue queue = (Queue) destination;
if (queue.getMessages() != null){
return queue.getMessages().size();
}
return 0;
}
public boolean doesCursorHaveMessagesBuffered() {
Queue queue = (Queue) destination;
if (queue.getMessages() != null){
return queue.getMessages().hasMessagesBufferedToDeliver();
}
return false;
}
public boolean doesCursorHaveSpace() {
Queue queue = (Queue) destination;
if (queue.getMessages() != null){
return queue.getMessages().hasSpace();
}
return false;
}
public long getCursorMemoryUsage() {
Queue queue = (Queue) destination;
if (queue.getMessages() != null && queue.getMessages().getSystemUsage() != null){
return queue.getMessages().getSystemUsage().getMemoryUsage().getUsage();
}
return 0;
}
public int getCursorPercentUsage() {
Queue queue = (Queue) destination;
if (queue.getMessages() != null && queue.getMessages().getSystemUsage() != null){
return queue.getMessages().getSystemUsage().getMemoryUsage().getPercentUsage();
}
return 0;
}
public boolean isCursorFull() {
Queue queue = (Queue) destination;
if (queue.getMessages() != null){
return queue.getMessages().isFull();
}
return false;
}
public boolean isCacheEnabled() {
Queue queue = (Queue) destination;
if (queue.getMessages() != null){
return queue.getMessages().isCacheEnabled();
}
return false;
}
}