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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 java.io.Serializable;
20  import javax.management.j2ee.statistics.Statistic;
21  
22  /**
23   * Implementation of the JSR-77 Statistic interface (JSR77.6.4)
24   *
25   * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
26   */
27  public class StatisticImpl implements Statistic, Serializable {
28      // Defined in JSR77.6.4.1.2
29      public final static String UNIT_TIME_HOUR = "HOUR";
30      public final static String UNIT_TIME_MINUTE = "MINUTE";
31      public final static String UNIT_TIME_SECOND = "SECOND";
32      public final static String UNIT_TIME_MILLISECOND = "MILLISECOND";
33      public final static String UNIT_TIME_MICROSECOND = "MICROSECOND";
34      public final static String UNIT_TIME_NANOSECOND = "NANOSECOND";
35      // Units that are not defined in JSR-77
36      public final static String UNIT_MEMORY_BYTES = "BYTE";
37      public final static String UNIT_MEMORY_KILOBYTES = "KILOBYTE";
38      public final static String UNIT_MEMORY_MEGABYTES = "MEGABYTE";
39      public final static String UNIT_MEMORY_GIGABYTES = "GIGABYTE";
40      public final static String UNIT_COUNT = "COUNT";
41  
42      private String name;
43      private String unit;
44      private String description;
45      private long startTime;
46      private long lastSampleTime;
47  
48      public StatisticImpl(String name, String unit, String description) {
49          this.name = name;
50          this.unit = unit;
51          this.description = description;
52      }
53  
54      public String getName() {
55          return name;
56      }
57  
58      public String getUnit() {
59          return unit;
60      }
61  
62      public String getDescription() {
63          return description;
64      }
65  
66      public long getStartTime() {
67          return startTime;
68      }
69  
70      public void setStartTime() {
71          this.startTime = System.currentTimeMillis();
72      }
73  
74      public void setStartTime(long startTime) {
75          this.startTime = startTime;
76      }
77  
78      public long getLastSampleTime() {
79          return lastSampleTime;
80      }
81  
82      public void setLastSampleTime(long lastSampleTime) {
83          this.lastSampleTime = lastSampleTime;
84      }
85  
86      public void setLastSampleTime() {
87          this.lastSampleTime = System.currentTimeMillis();
88      }
89  }