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.RangeStatistic;
20
21 /**
22 * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
23 */
24 public class RangeStatisticImpl extends StatisticImpl implements RangeStatistic {
25 private long highWaterMark;
26 private long lowWaterMark;
27 private long current;
28
29 public RangeStatisticImpl(String name, String unit, String description) {
30 super(name, unit, description);
31 }
32
33 public RangeStatisticImpl(String name, String unit, String 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 }