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.BoundedRangeStatistic;
020    import javax.management.j2ee.statistics.CountStatistic;
021    import javax.management.j2ee.statistics.JCAConnectionPoolStats;
022    import javax.management.j2ee.statistics.RangeStatistic;
023    
024    /**
025     * Geronimo implementation of the JSR-77 JCAConnectionPoolStats interface.
026     * 
027     * @version $Rev: 476049 $ $Date: 2006-11-16 20:35:17 -0800 (Thu, 16 Nov 2006) $
028     */
029    public class JCAConnectionPoolStatsImpl extends JCAConnectionStatsImpl
030            implements JCAConnectionPoolStats {
031        private final CountStatisticImpl closeCount;
032    
033        private final CountStatisticImpl createCount;
034    
035        private final BoundedRangeStatisticImpl freePoolSize;
036    
037        private final BoundedRangeStatisticImpl poolSize;
038    
039        private final RangeStatisticImpl waitingThreadCount;
040    
041        public JCAConnectionPoolStatsImpl() {
042            closeCount = new CountStatisticImpl("Close Count",
043                    StatisticImpl.UNIT_COUNT, "Number of connections closed");
044            createCount = new CountStatisticImpl("Create Count",
045                    StatisticImpl.UNIT_COUNT, "Number of connections created");
046            freePoolSize = new BoundedRangeStatisticImpl("Free Pool Size",
047                    StatisticImpl.UNIT_COUNT,
048                    "Number of free connections in the pool");
049            poolSize = new BoundedRangeStatisticImpl("Pool Size",
050                    StatisticImpl.UNIT_COUNT, "Size of the connection pool");
051            waitingThreadCount = new RangeStatisticImpl("Waiting Thread Count",
052                    StatisticImpl.UNIT_COUNT,
053                    "Number of threads waiting for a connection");
054    
055            addStat("CloseCount", closeCount);
056            addStat("CreateCount", createCount);
057            addStat("FreePoolSize", freePoolSize);
058            addStat("PoolSize", poolSize);
059            addStat("WaitingThreadCount", waitingThreadCount);
060        }
061    
062        public CountStatistic getCloseCount() {
063            return closeCount;
064        }
065    
066        public CountStatistic getCreateCount() {
067            return createCount;
068        }
069    
070        public BoundedRangeStatistic getFreePoolSize() {
071            return freePoolSize;
072        }
073    
074        public BoundedRangeStatistic getPoolSize() {
075            return poolSize;
076        }
077    
078        public RangeStatistic getWaitingThreadCount() {
079            return waitingThreadCount;
080        }
081    }