001 /**
002 *
003 * Copyright 2004 Protique Ltd
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 *
017 **/
018 package org.activemq.management;
019
020 import javax.jms.Message;
021
022 /**
023 * Statistics for a {@link javax.jms.Queue}
024 *
025 * @version $Revision: 1.1.1.1 $
026 */
027 public class JMSQueueStatsImpl extends JMSEndpointStatsImpl implements JMSDestinationStats {
028 protected TimeStatisticImpl sendMessageRateTime;
029
030 public JMSQueueStatsImpl() {
031 this.sendMessageRateTime = new TimeStatisticImpl("sendMessageRateTime", "Time taken to send a message (publish thoughtput rate)");
032 addStatistic("sendMessageRateTime", sendMessageRateTime);
033 }
034
035 public JMSQueueStatsImpl(CountStatisticImpl messageCount, CountStatisticImpl pendingMessageCount, CountStatisticImpl expiredMessageCount, TimeStatisticImpl messageWaitTime, TimeStatisticImpl messageRateTime, TimeStatisticImpl sendMessageRateTime) {
036 super(messageCount, pendingMessageCount, expiredMessageCount, messageWaitTime, messageRateTime);
037 this.sendMessageRateTime = sendMessageRateTime;
038 addStatistic("sendMessageRateTime", sendMessageRateTime);
039 }
040
041 public void setPendingMessageCountOnStartup(long count) {
042 CountStatisticImpl messageCount = (CountStatisticImpl) getPendingMessageCount();
043 messageCount.setCount(count);
044 }
045
046 public void onMessageSend(Message message) {
047 long start = pendingMessageCount.getLastSampleTime();
048 pendingMessageCount.increment();
049 long end = pendingMessageCount.getLastSampleTime();
050 sendMessageRateTime.addTime(end - start);
051 }
052
053 public void onMessageAck() {
054 long start = messageCount.getLastSampleTime();
055 messageCount.increment();
056 long end = messageCount.getLastSampleTime();
057 messageRateTime.addTime(end - start);
058 }
059 }