1 /*** 2 * 3 * Copyright 2004 Protique Ltd 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 **/ 18 package org.codehaus.activemq.management; 19 20 import javax.management.j2ee.statistics.Statistic; 21 import javax.management.j2ee.statistics.Stats; 22 import java.util.Collection; 23 import java.util.HashMap; 24 import java.util.Map; 25 import java.util.Set; 26 27 /*** 28 * Base class for a Stats implementation 29 * 30 * @version $Revision: 1.2 $ 31 */ 32 public class StatsImpl implements Stats, Resettable { 33 private Map map = new HashMap(); 34 35 public StatsImpl() { 36 } 37 38 public StatsImpl(Map map) { 39 this.map = map; 40 } 41 42 public void reset() { 43 Statistic[] stats = getStatistics(); 44 for (int i = 0, size = stats.length; i < size; i++) { 45 Statistic stat = stats[i]; 46 if (stat instanceof Resettable) { 47 Resettable r = (Resettable) stat; 48 r.reset(); 49 } 50 } 51 } 52 53 public Statistic getStatistic(String name) { 54 return (Statistic) map.get(name); 55 } 56 57 public String[] getStatisticNames() { 58 Set keys = map.keySet(); 59 String[] answer = new String[keys.size()]; 60 keys.toArray(answer); 61 return answer; 62 } 63 64 public Statistic[] getStatistics() { 65 Collection values = map.values(); 66 Statistic[] answer = new Statistic[values.size()]; 67 values.toArray(answer); 68 return answer; 69 } 70 71 protected void addStatistic(String name, Statistic statistic) { 72 map.put(name, statistic); 73 } 74 }