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


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.RangeStatistic JavaDoc;
20
21 /**
22  * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
23  */
24 public class RangeStatisticImpl extends StatisticImpl implements RangeStatistic JavaDoc {
25     private long highWaterMark;
26     private long lowWaterMark;
27     private long current;
28
29     public RangeStatisticImpl(String JavaDoc name, String JavaDoc unit, String JavaDoc description) {
30         super(name, unit, description);
31     }
32
33     public RangeStatisticImpl(String JavaDoc name, String JavaDoc unit, String JavaDoc description, long currentValue) {
34         super(name, unit, description);
35         highWaterMark = lowWaterMark = current = currentValue;
36     }
37
38     public long getHighWaterMark() {
39         return highWaterMark;
40     }
41
42     public long getLowWaterMark() {
43         return lowWaterMark;
44     }
45
46     public long getCurrent() {
47         return current;
48     }
49
50     public void setCurrent(long current) {
51         this.current = current;
52         if(current < lowWaterMark) {
53             lowWaterMark = current;
54         }
55         if(current > highWaterMark) {
56             highWaterMark = current;
57         }
58     }
59
60     public void setHighWaterMark(long highWaterMark) {
61         this.highWaterMark = highWaterMark;
62     }
63
64     public void setLowWaterMark(long lowWaterMark) {
65         this.lowWaterMark = lowWaterMark;
66     }
67 }
68
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