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d9c11a7ca7
89575: ACE-3327: Work In Progress. TX cache statistics. 89642: ACE-3327: Exposes statistics through JMX. Adds hit ratio. 89649: ACE-3327: Added "@since 5.0" to new classes. 89691: ACE-3327: improved TransactionalCache stats tests. 89743: ACE-3327: fixed lack of thread safety for InMemoryCacheStatistics. 89752: ACE-3327: now possible to disable/enable tx cache statistics per-cache with properties. git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@89798 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
81 lines
2.2 KiB
Java
81 lines
2.2 KiB
Java
/*
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* Copyright (C) 2005-2014 Alfresco Software Limited.
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*
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* This file is part of Alfresco
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.alfresco.repo.cache;
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import java.util.HashMap;
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import java.util.Map;
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import org.apache.commons.math3.stat.descriptive.SummaryStatistics;
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/**
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* Only to be used within a single transaction/thread.
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*
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* @since 5.0
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* @author Matt Ward
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*/
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public class TransactionStats
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{
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private Map<OpType, SummaryStatistics> timings = new HashMap<>();
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/**
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* Cache operation type.
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*/
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public enum OpType
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{
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GET_HIT,
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GET_MISS,
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PUT,
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REMOVE,
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CLEAR
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}
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public long getCount(OpType op)
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{
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SummaryStatistics stats = getTimings(op);
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return stats.getN();
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}
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public SummaryStatistics getTimings(OpType op)
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{
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SummaryStatistics opTimings = timings.get(op);
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if (opTimings == null)
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{
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opTimings = new SummaryStatistics();
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timings.put(op, opTimings);
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}
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return opTimings;
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}
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public void record(long start, long end, OpType op)
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{
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if (end < start)
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{
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throw new IllegalArgumentException("End time [" + end + "] occurs before start time [" + start + "].");
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}
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double timeTaken = end - start;
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addTiming(op, timeTaken);
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}
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private void addTiming(OpType op, double time)
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{
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SummaryStatistics opTimings = getTimings(op);
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opTimings.addValue(time);
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}
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}
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