001 /**
002 *
003 * Copyright 2003-2004 The Apache Software Foundation
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.geronimo.management.stats;
018
019 import java.io.Serializable;
020 import javax.management.j2ee.statistics.Statistic;
021
022 /**
023 * Implementation of the JSR-77 Statistic interface (JSR77.6.4)
024 *
025 * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
026 */
027 public class StatisticImpl implements Statistic, Serializable {
028 // Defined in JSR77.6.4.1.2
029 public final static String UNIT_TIME_HOUR = "HOUR";
030 public final static String UNIT_TIME_MINUTE = "MINUTE";
031 public final static String UNIT_TIME_SECOND = "SECOND";
032 public final static String UNIT_TIME_MILLISECOND = "MILLISECOND";
033 public final static String UNIT_TIME_MICROSECOND = "MICROSECOND";
034 public final static String UNIT_TIME_NANOSECOND = "NANOSECOND";
035 // Units that are not defined in JSR-77
036 public final static String UNIT_MEMORY_BYTES = "BYTE";
037 public final static String UNIT_MEMORY_KILOBYTES = "KILOBYTE";
038 public final static String UNIT_MEMORY_MEGABYTES = "MEGABYTE";
039 public final static String UNIT_MEMORY_GIGABYTES = "GIGABYTE";
040 public final static String UNIT_COUNT = "COUNT";
041
042 private String name;
043 private String unit;
044 private String description;
045 private long startTime;
046 private long lastSampleTime;
047
048 public StatisticImpl(String name, String unit, String description) {
049 this.name = name;
050 this.unit = unit;
051 this.description = description;
052 }
053
054 public String getName() {
055 return name;
056 }
057
058 public String getUnit() {
059 return unit;
060 }
061
062 public String getDescription() {
063 return description;
064 }
065
066 public long getStartTime() {
067 return startTime;
068 }
069
070 public void setStartTime() {
071 this.startTime = System.currentTimeMillis();
072 }
073
074 public void setStartTime(long startTime) {
075 this.startTime = startTime;
076 }
077
078 public long getLastSampleTime() {
079 return lastSampleTime;
080 }
081
082 public void setLastSampleTime(long lastSampleTime) {
083 this.lastSampleTime = lastSampleTime;
084 }
085
086 public void setLastSampleTime() {
087 this.lastSampleTime = System.currentTimeMillis();
088 }
089 }