001    /**
002     *  Licensed to the Apache Software Foundation (ASF) under one or more
003     *  contributor license agreements.  See the NOTICE file distributed with
004     *  this work for additional information regarding copyright ownership.
005     *  The ASF licenses this file to You under the Apache License, Version 2.0
006     *  (the "License"); you may not use this file except in compliance with
007     *  the License.  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    package org.apache.geronimo.management.stats;
018    
019    import javax.management.j2ee.statistics.CountStatistic;
020    import javax.management.j2ee.statistics.JMSEndpointStats;
021    import javax.management.j2ee.statistics.TimeStatistic;
022    
023    /**
024     * Geronimo implementation of the JSR-77 JMSEndpointStats interface.
025     * 
026     * @version $Rev: 476049 $ $Date: 2006-11-16 20:35:17 -0800 (Thu, 16 Nov 2006) $
027     */
028    public class JMSEndpointStatsImpl extends StatsImpl implements JMSEndpointStats {
029        private final CountStatisticImpl messageCount;
030    
031        private final CountStatisticImpl pendingMessageCount;
032    
033        private final CountStatisticImpl expiredMessageCount;
034    
035        private final TimeStatisticImpl messageWaitTime;
036    
037        public JMSEndpointStatsImpl() {
038            messageCount = new CountStatisticImpl("Message Count",
039                    StatisticImpl.UNIT_COUNT, "Number of messages sent or received");
040            pendingMessageCount = new CountStatisticImpl("Pending Message Count",
041                    StatisticImpl.UNIT_COUNT, "Number of pending messages");
042            expiredMessageCount = new CountStatisticImpl("Expired Message Count",
043                    StatisticImpl.UNIT_COUNT,
044                    "Number of messages that expired before delivery");
045            messageWaitTime = new TimeStatisticImpl("Message Wait Time",
046                    StatisticImpl.UNIT_COUNT,
047                    "Time spent by a message before being delivered");
048    
049            addStat("MessageCount", messageCount);
050            addStat("PendingMessageCount", pendingMessageCount);
051            addStat("ExpiredMessageCount", expiredMessageCount);
052            addStat("MessageWaitTime", messageWaitTime);
053        }
054    
055        public CountStatistic getMessageCount() {
056            return messageCount;
057        }
058    
059        public CountStatistic getPendingMessageCount() {
060            return pendingMessageCount;
061        }
062    
063        public CountStatistic getExpiredMessageCount() {
064            return messageCount;
065        }
066    
067        public TimeStatistic getMessageWaitTime() {
068            return messageWaitTime;
069        }
070    }