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 }