001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. 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: 503407 $ $Date: 2007-02-04 08:57:40 -0500 (Sun, 04 Feb 2007) $
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 // need a better name for this
041 public final static String UNIT_COUNT = "UNITCOUNT";
042
043 private String name;
044 private String unit;
045 private String description;
046 private long startTime;
047 private long lastSampleTime;
048
049 public StatisticImpl(String name, String unit, String description) {
050 this.name = name;
051 this.unit = unit;
052 this.description = description;
053 }
054
055 public String getName() {
056 return name;
057 }
058
059 public String getUnit() {
060 return unit;
061 }
062
063 public String getDescription() {
064 return description;
065 }
066
067 public long getStartTime() {
068 return startTime;
069 }
070
071 public void setStartTime() {
072 this.startTime = System.currentTimeMillis();
073 }
074
075 public void setStartTime(long startTime) {
076 this.startTime = startTime;
077 }
078
079 public long getLastSampleTime() {
080 return lastSampleTime;
081 }
082
083 public void setLastSampleTime(long lastSampleTime) {
084 this.lastSampleTime = lastSampleTime;
085 }
086
087 public void setLastSampleTime() {
088 this.lastSampleTime = System.currentTimeMillis();
089 }
090 }