001 /**
002 *
003 * Copyright 2004 Protique Ltd
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * 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.activemq.management;
019
020 import java.util.*;
021 import javax.management.j2ee.statistics.Statistic;
022 import javax.management.j2ee.statistics.Stats;
023
024
025 /**
026 * Base class for a Stats implementation
027 *
028 * @version $Revision: 1.1.1.1 $
029 */
030 public class StatsImpl extends StatisticImpl implements Stats, Resettable{
031 private Map map;
032
033 public StatsImpl() {
034 this(new HashMap());
035 }
036
037 public StatsImpl(Map map) {
038 super("stats", "many", "Used only as container, not Statistic");
039 this.map = map;
040 }
041
042 public void reset() {
043 Statistic[] stats = getStatistics();
044 for (int i = 0, size = stats.length; i < size; i++) {
045 Statistic stat = stats[i];
046 if (stat instanceof Resettable) {
047 Resettable r = (Resettable) stat;
048 r.reset();
049 }
050 }
051 }
052
053 public Statistic getStatistic(String name) {
054 return (Statistic) map.get(name);
055 }
056
057 public String[] getStatisticNames() {
058 Set keys = map.keySet();
059 String[] answer = new String[keys.size()];
060 keys.toArray(answer);
061 return answer;
062 }
063
064 public Statistic[] getStatistics() {
065 Collection values = map.values();
066 Statistic[] answer = new Statistic[values.size()];
067 values.toArray(answer);
068 return answer;
069 }
070
071 protected void addStatistic(String name, StatisticImpl statistic) {
072 map.put(name, statistic);
073 }
074 }