/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.cache.jboss;
import java.io.Serializable;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import org.teiid.cache.Cache;
import org.teiid.cache.CacheConfiguration;
import org.teiid.cache.CacheFactory;
import org.teiid.cache.DefaultCacheFactory;
import org.teiid.core.TeiidRuntimeException;
public class ClusterableCacheFactory implements CacheFactory, Serializable {
private static final long serialVersionUID = -1992994494154581234L;
private CacheFactory delegate;
private String resultsetCacheName;
private boolean enabled = false;
private String cacheManagerName;
@Override
public <K, V> Cache<K, V> get(String location, CacheConfiguration config) {
if (this.delegate == null) {
Object cacheManager = getClusteredCache();
if (cacheManager == null) {
this.delegate = new DefaultCacheFactory(config);
}
else {
try {
this.delegate = new JBossCacheFactory(this.resultsetCacheName, cacheManager);
} catch (Exception e) {
throw new TeiidRuntimeException("Failed to obtain the clusted cache"); //$NON-NLS-1$
}
}
}
return delegate.get(location, config);
}
public void setResultsetCacheName(String name) {
this.resultsetCacheName = name;
}
@Override
public void destroy() {
if (this.delegate != null) {
this.delegate.destroy();
}
}
private Object getClusteredCache() {
if (this.enabled && this.cacheManagerName != null) {
try {
Context ctx = new InitialContext();
return ctx.lookup(this.cacheManagerName);
} catch (NamingException e) {
return null;
}
}
return null;
}
public void setEnabled(boolean value) {
this.enabled = value;
}
public void setCacheManager(String mgrName) {
this.cacheManagerName = mgrName;
}
@Override
public boolean isReplicated() {
if (delegate == null) {
return false;
}
return delegate.isReplicated();
}
}