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    
018    package org.apache.geronimo.management.stats;
019    
020    import javax.management.j2ee.statistics.RangeStatistic;
021    
022    import org.apache.geronimo.management.geronimo.stats.WebConnectorStats;
023    
024    /**
025     * Geronimo implementation of the JSR-77 style WebConnectorStats interface. This
026     * is not required by JSR-77, but provides useful statistics. This will be
027     * discovered by mejb using 'stats' attribute.
028     * 
029     * @version $Revision: 706640 $ $Date: 2008-10-21 14:44:05 +0000 (Tue, 21 Oct 2008) $
030     */
031    
032    public class WebConnectorStatsImpl extends StatsImpl implements WebConnectorStats { 
033        // these come from ThreadPool
034        private RangeStatisticImpl openConnectionCount; 
035        
036        public WebConnectorStatsImpl() {
037            openConnectionCount = new RangeStatisticImpl("" + "Open Connections", StatisticImpl.UNIT_COUNT,
038                    "Range for connections opened during the observed period", 0); // all 0's
039            addStat("OpenConnectionCount", openConnectionCount);
040        }
041    
042       
043        public RangeStatistic getOpenConnectionCount() {
044            return openConnectionCount;
045        }
046     
047        public void setOpenConnection(long current, long highMark, long lowMark) {
048            openConnectionCount.setCurrent(current);
049            openConnectionCount.setHighWaterMark(highMark);
050            openConnectionCount.setLowWaterMark(lowMark);
051        }
052        
053        /**
054         * Used to access the native implementation in order to call setters
055         * TODO implement these if needed by console
056         */
057        public RangeStatisticImpl getOpenConnectionCountImpl() {
058            return openConnectionCount;
059        }
060    }