| /* |
| * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| |
| package com.sun.org.glassfish.external.statistics.impl; |
| import com.sun.org.glassfish.external.statistics.Statistic; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Modifier; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| /** |
| * @author Sreenivas Munnangi |
| */ |
| public abstract class StatisticImpl implements Statistic { |
| |
| private final String statisticName; |
| private final String statisticUnit; |
| private final String statisticDesc; |
| protected long sampleTime = -1L; |
| private long startTime; |
| public static final String UNIT_COUNT = "count"; |
| public static final String UNIT_SECOND = "second"; |
| public static final String UNIT_MILLISECOND = "millisecond"; |
| public static final String UNIT_MICROSECOND = "microsecond"; |
| public static final String UNIT_NANOSECOND = "nanosecond"; |
| public static final String START_TIME = "starttime"; |
| public static final String LAST_SAMPLE_TIME = "lastsampletime"; |
| |
| protected final Map<String, Object> statMap = new ConcurrentHashMap<String, Object> (); |
| |
| protected static final String NEWLINE = System.getProperty( "line.separator" ); |
| |
| protected StatisticImpl(String name, String unit, String desc, |
| long start_time, long sample_time) { |
| |
| if (isValidString(name)) { |
| statisticName = name; |
| } else { |
| statisticName = "name"; |
| } |
| |
| if (isValidString(unit)) { |
| statisticUnit = unit; |
| } else { |
| statisticUnit = "unit"; |
| } |
| |
| if (isValidString(desc)) { |
| statisticDesc = desc; |
| } else { |
| statisticDesc = "description"; |
| } |
| |
| startTime = start_time; |
| sampleTime = sample_time; |
| } |
| |
| protected StatisticImpl(String name, String unit, String desc) { |
| this(name, unit, desc, System.currentTimeMillis(), System.currentTimeMillis()); |
| } |
| |
| public synchronized Map getStaticAsMap() { |
| if (isValidString(statisticName)) { |
| statMap.put("name", statisticName); |
| } |
| if (isValidString(statisticUnit)) { |
| statMap.put("unit", statisticUnit); |
| } |
| if (isValidString(statisticDesc)) { |
| statMap.put("description", statisticDesc); |
| } |
| statMap.put(StatisticImpl.START_TIME, startTime); |
| statMap.put(StatisticImpl.LAST_SAMPLE_TIME, sampleTime); |
| return statMap; |
| } |
| |
| public String getName() { |
| return this.statisticName; |
| } |
| |
| public String getDescription() { |
| return this.statisticDesc; |
| } |
| |
| public String getUnit() { |
| return this.statisticUnit; |
| } |
| |
| public synchronized long getLastSampleTime() { |
| return sampleTime; |
| } |
| |
| public synchronized long getStartTime() { |
| return startTime; |
| } |
| |
| public synchronized void reset() { |
| startTime = System.currentTimeMillis(); |
| } |
| |
| public synchronized String toString() { |
| return "Statistic " + getClass().getName() + NEWLINE + |
| "Name: " + getName() + NEWLINE + |
| "Description: " + getDescription() + NEWLINE + |
| "Unit: " + getUnit() + NEWLINE + |
| "LastSampleTime: " + getLastSampleTime() + NEWLINE + |
| "StartTime: " + getStartTime(); |
| } |
| |
| protected static boolean isValidString(String str) { |
| return (str!=null && str.length()>0); |
| } |
| |
| protected void checkMethod(Method method) { |
| if (method == null || method.getDeclaringClass() == null |
| || !Statistic.class.isAssignableFrom(method.getDeclaringClass()) |
| || Modifier.isStatic(method.getModifiers())) { |
| throw new RuntimeException("Invalid method on invoke"); |
| } |
| } |
| |
| } |