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 }