1 /*** 2 * 3 * Copyright 2004 Protique Ltd 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 **/ 18 package org.codehaus.activemq.management; 19 20 import javax.jms.Message; 21 22 /*** 23 * Statistics for a {@link javax.jms.Queue} 24 * 25 * @version $Revision: 1.1 $ 26 */ 27 public class JMSQueueStatsImpl extends JMSEndpointStatsImpl implements JMSDestinationStats { 28 protected TimeStatisticImpl sendMessageRateTime; 29 30 public JMSQueueStatsImpl() { 31 this.sendMessageRateTime = new TimeStatisticImpl("sendMessageRateTime", "Time taken to send a message (publish thoughtput rate)"); 32 addStatistic("sendMessageRateTime", sendMessageRateTime); 33 } 34 35 public JMSQueueStatsImpl(CountStatisticImpl messageCount, CountStatisticImpl pendingMessageCount, CountStatisticImpl expiredMessageCount, TimeStatisticImpl messageWaitTime, TimeStatisticImpl messageRateTime, TimeStatisticImpl sendMessageRateTime) { 36 super(messageCount, pendingMessageCount, expiredMessageCount, messageWaitTime, messageRateTime); 37 this.sendMessageRateTime = sendMessageRateTime; 38 addStatistic("sendMessageRateTime", sendMessageRateTime); 39 } 40 41 public void setPendingMessageCountOnStartup(long count) { 42 CountStatisticImpl messageCount = (CountStatisticImpl) getPendingMessageCount(); 43 messageCount.setCount(count); 44 } 45 46 public void onMessageSend(Message message) { 47 long start = pendingMessageCount.getLastSampleTime(); 48 pendingMessageCount.increment(); 49 long end = pendingMessageCount.getLastSampleTime(); 50 sendMessageRateTime.addTime(end - start); 51 } 52 53 public void onMessageAck() { 54 long start = messageCount.getLastSampleTime(); 55 messageCount.increment(); 56 long end = messageCount.getLastSampleTime(); 57 messageRateTime.addTime(end - start); 58 } 59 }