/**
* This file is part of Jahia, next-generation open source CMS:
* Jahia's next-generation, open source CMS stems from a widely acknowledged vision
* of enterprise application convergence - web, search, document, social and portal -
* unified by the simplicity of web content management.
*
* For more information, please visit http://www.jahia.com.
*
* Copyright (C) 2002-2011 Jahia Solutions Group SA. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* As a special exception to the terms and conditions of version 2.0 of
* the GPL (or any later version), you may redistribute this Program in connection
* with Free/Libre and Open Source Software ("FLOSS") applications as described
* in Jahia's FLOSS exception. You should have received a copy of the text
* describing the FLOSS exception, and it is also available here:
* http://www.jahia.com/license
*
* Commercial and Supported Versions of the program (dual licensing):
* alternatively, commercial and supported versions of the program may be used
* in accordance with the terms and conditions contained in a separate
* written agreement between you and Jahia Solutions Group SA.
*
* If you are unsure which license is appropriate for your use,
* please contact the sales department at sales@jahia.com.
*/
package org.jahia.services.content.files;
import java.util.Map;
import org.jahia.exceptions.JahiaInitializationException;
import org.jahia.exceptions.JahiaRuntimeException;
import org.jahia.services.cache.Cache;
import org.jahia.services.cache.CacheFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* File cache accessor and controller.
*
* @author Sergiy Shyrkov
*/
public class FileCacheManager {
public static final String CONTENT_CACHE_NAME = "FileContentCache";
private static FileCacheManager instance;
public static final String LAST_MODIFIED_CACHE_NAME = "FileLastModifiedCache";
private static Logger logger = LoggerFactory.getLogger(FileCacheManager.class);
public static FileCacheManager getInstance() {
if (instance == null) {
synchronized (FileCacheManager.class) {
if (instance == null) {
instance = new FileCacheManager();
}
}
}
return instance;
}
private Cache<String, Map<String, FileCacheEntry>> contentCache;
private Cache<String, FileLastModifiedCacheEntry> lastModifiedCache;
private FileCacheManager() {
super();
}
public Cache<String, Map<String, FileCacheEntry>> getContentCache() {
if (contentCache == null) {
try {
contentCache = CacheFactory.getInstance().getCache(CONTENT_CACHE_NAME, true);
} catch (JahiaInitializationException e) {
logger.error(e.getMessage(), e);
throw new JahiaRuntimeException(e);
}
}
return contentCache;
}
public Cache<String, FileLastModifiedCacheEntry> getLastModifiedCache() {
if (lastModifiedCache == null) {
try {
lastModifiedCache = CacheFactory.getInstance().getCache(LAST_MODIFIED_CACHE_NAME, true);
} catch (JahiaInitializationException e) {
logger.error(e.getMessage(), e);
throw new JahiaRuntimeException(e);
}
}
return lastModifiedCache;
}
public void invalidate(FileKey key) {
getContentCache().remove(key.getCacheKey());
getLastModifiedCache().remove(key.getCacheKey());
}
public void invalidate(String workspace, String nodePath) {
invalidate(new FileKey(workspace, nodePath));
}
}