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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
57 lines
1.6 KiB
Java
57 lines
1.6 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 org.alfresco.repo.cache.TransactionStats.OpType;
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/**
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* A do-nothing implementation of {@link CacheStatistics}. Used
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* by the {@link TransactionalCache} if it is not explicitly
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* injected with an implementation.
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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 NoOpCacheStatistics implements CacheStatistics
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{
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@Override
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public void add(String cacheName, TransactionStats stats)
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{
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// Does nothing
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}
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@Override
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public long count(String cacheName, OpType opType)
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{
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return 0;
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}
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@Override
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public double meanTime(String cacheName, OpType opType)
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{
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return Double.NaN;
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}
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@Override
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public double hitMissRatio(String cacheName)
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{
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return Double.NaN;
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}
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}
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