001/* 002 * (C) Copyright 2014 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl-2.1.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Maxime Hilaire 016 * 017 */ 018 019package org.nuxeo.ecm.core.cache; 020 021import java.util.HashMap; 022import java.util.Map; 023 024import org.apache.commons.logging.Log; 025import org.apache.commons.logging.LogFactory; 026import org.nuxeo.runtime.RuntimeServiceEvent; 027import org.nuxeo.runtime.RuntimeServiceListener; 028import org.nuxeo.runtime.api.Framework; 029import org.nuxeo.runtime.model.ComponentContext; 030import org.nuxeo.runtime.model.ComponentName; 031import org.nuxeo.runtime.model.DefaultComponent; 032import org.nuxeo.runtime.model.Extension; 033 034/** 035 * Cache service implementation to manage nuxeo cache 036 * 037 * @since 6.0 038 */ 039public class CacheServiceImpl extends DefaultComponent implements CacheService { 040 041 public static final ComponentName NAME = new ComponentName(CacheServiceImpl.class.getName()); 042 043 private static final Log log = LogFactory.getLog(CacheServiceImpl.class); 044 045 protected final CacheRegistry cacheRegistry = new CacheRegistry(); 046 047 @Override 048 public CacheAttributesChecker getCache(String name) { 049 return cacheRegistry.getCache(name); 050 } 051 052 @Override 053 public void deactivate(ComponentContext context) { 054 if (cacheRegistry.caches.size() > 0) { 055 Map<String, CacheDescriptor> descriptors = new HashMap<String, CacheDescriptor>(cacheRegistry.caches); 056 for (CacheDescriptor desc : descriptors.values()) { 057 log.warn("Unregistery leaked contribution " + desc.name); 058 cacheRegistry.contributionRemoved(desc.name, desc); 059 } 060 } 061 } 062 063 @Override 064 public void applicationStarted(ComponentContext context) { 065 Framework.addListener(new RuntimeServiceListener() { 066 067 @Override 068 public void handleEvent(RuntimeServiceEvent event) { 069 if (RuntimeServiceEvent.RUNTIME_ABOUT_TO_START != event.id) { 070 return; 071 } 072 Framework.removeListener(this); 073 cacheRegistry.stop(); 074 } 075 }); 076 cacheRegistry.start(); 077 } 078 079 @Override 080 public void registerExtension(Extension extension) { 081 Object[] contribs = extension.getContributions(); 082 for (Object contrib : contribs) { 083 CacheDescriptor descriptor = (CacheDescriptor) contrib; 084 registerCache(descriptor); 085 } 086 } 087 088 public void registerCache(CacheDescriptor descriptor) { 089 cacheRegistry.addContribution(descriptor); 090 } 091 092 @Override 093 public void unregisterExtension(Extension extension) throws RuntimeException { 094 Object[] contribs = extension.getContributions(); 095 for (Object contrib : contribs) { 096 CacheDescriptor descriptor = (CacheDescriptor) contrib; 097 cacheRegistry.removeContribution(descriptor); 098 } 099 } 100 101 public void unregisterCache(CacheDescriptor descriptor) { 102 cacheRegistry.removeContribution(descriptor); 103 } 104 105}