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 }