1 /**
2 *
3 * Copyright 2003-2004 The Apache Software Foundation
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 package org.apache.geronimo.management.stats;
18
19 import javax.management.j2ee.statistics.JVMStats;
20 import javax.management.j2ee.statistics.CountStatistic;
21 import javax.management.j2ee.statistics.BoundedRangeStatistic;
22
23 /**
24 * Geronimo implementation of the JSR-77 JVMStats interface.
25 *
26 * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
27 */
28 public class JVMStatsImpl extends StatsImpl implements JVMStats {
29 private final CountStatisticImpl upTime;
30 private final BoundedRangeImpl heapSize;
31
32 public JVMStatsImpl() {
33 upTime = new CountStatisticImpl("JVM Up Time", StatisticImpl.UNIT_TIME_MILLISECOND,
34 "The length of time that the JVM has been running", 0);
35 heapSize = new BoundedRangeImpl("JVM Heap Size", StatisticImpl.UNIT_MEMORY_BYTES,
36 "The memory usage of the JVM");
37 addStat("UpTime", upTime);
38 addStat("HeapSize", heapSize);
39 }
40
41 public CountStatistic getUpTime() {
42 return upTime;
43 }
44
45 public BoundedRangeStatistic getHeapSize() {
46 return heapSize;
47 }
48
49 /**
50 * Used to access the native implementation in order to call setters
51 */
52 public CountStatisticImpl getUpTimeImpl() {
53 return upTime;
54 }
55
56 /**
57 * Used to access the native implementation in order to call setters
58 */
59 public BoundedRangeImpl getHeapSizeImpl() {
60 return heapSize;
61 }
62 }