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Java > Open Source Codes > org > apache > geronimo > management > stats > JVMStatsImpl


1 /**
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. 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 JavaDoc;
20 import javax.management.j2ee.statistics.CountStatistic JavaDoc;
21 import javax.management.j2ee.statistics.BoundedRangeStatistic JavaDoc;
22
23 /**
24  * Geronimo implementation of the JSR-77 JVMStats interface.
25  *
26  * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
27  */
28 public class JVMStatsImpl extends StatsImpl implements JVMStats JavaDoc {
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 JavaDoc getUpTime() {
42         return upTime;
43     }
44
45     public BoundedRangeStatistic JavaDoc 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 }
63
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