| /* |
| * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| package com.sun.enterprise.admin.monitor.stats; |
| import org.glassfish.j2ee.statistics.Statistic; |
| import java.io.Serializable; |
| import com.sun.enterprise.util.i18n.StringManager; |
| |
| /** |
| * An abstract class providing implementation of the Statistic interface |
| * The intent is for this to be subclassed by all the StatisticImpls. |
| * |
| * @author Muralidhar Vempaty |
| * @since S1AS8.0 |
| * @version 1.0 |
| */ |
| public abstract class StatisticImpl implements Statistic,Serializable { |
| |
| private final String statisticName; |
| private String statisticDesc; |
| private final String statisticUnit; |
| private final long startTime; |
| private final long sampleTime; |
| |
| /** DEFAULT_UNIT is an empty string */ |
| public static final String DEFAULT_UNIT; |
| public static final StringManager localStrMgr; |
| /** DEFAULT_VALUE of any statistic is 0 */ |
| public static final long DEFAULT_VALUE = java.math.BigInteger.ZERO.longValue(); |
| |
| static { |
| localStrMgr = StringManager.getManager(StatisticImpl.class); |
| DEFAULT_UNIT = localStrMgr.getString("count_string"); |
| } |
| |
| protected static final String NEWLINE = System.getProperty( "line.separator" ); |
| /** |
| * Constructor |
| * @param name The name of the statistic |
| * @param unit The unit of measurement for this statistic |
| * @param desc A brief description of the statistic |
| * @param startTime Time in milliseconds at which the measurement was started |
| * @param sampleTime Time at which the last measurement was done. |
| **/ |
| protected StatisticImpl(String name, String unit, String desc, |
| long start_time, long sample_time) { |
| |
| statisticName = name; |
| statisticUnit = unit; |
| statisticDesc = desc; |
| startTime = start_time; |
| sampleTime = sample_time; |
| } |
| |
| /** |
| * returns the name of the statistic |
| */ |
| @Override |
| public String getName() { |
| return this.statisticName; |
| } |
| |
| /** |
| * returns the description of the statistic |
| */ |
| @Override |
| public String getDescription() { |
| return this.statisticDesc; |
| } |
| |
| /** |
| * returns the unit of measurement for the statistic |
| */ |
| @Override |
| public String getUnit() { |
| return this.statisticUnit; |
| } |
| |
| /** |
| * returns the time in millis, at which the last measurement was taken |
| */ |
| @Override |
| public long getLastSampleTime() { |
| return this.sampleTime; |
| } |
| |
| /** |
| * returns the time in millis, at which the first measurement was taken |
| */ |
| @Override |
| public long getStartTime() { |
| return this.startTime; |
| } |
| |
| /** This is a hack. This method allows us to internatinalize the descriptions. |
| See bug Id: 5045413 |
| */ |
| public void setDescription(final String desc) { |
| this.statisticDesc = desc; |
| } |
| |
| @Override |
| public String toString() { |
| return "Statistic " + getClass().getName() + NEWLINE + |
| "Name: " + getName() + NEWLINE + |
| "Description: " + getDescription() + NEWLINE + |
| "Unit: " + getUnit() + NEWLINE + |
| "LastSampleTime: " + getLastSampleTime() + NEWLINE + |
| "StartTime: " + getStartTime(); |
| } |
| } |
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