/*
* Copyright 2000-2001,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jetspeed.services.portletcache;
import java.io.IOException;
import org.apache.turbine.services.TurbineServices;
import org.apache.turbine.services.cache.GlobalCacheService;
import org.apache.turbine.services.cache.CachedObject;
import org.apache.turbine.services.cache.ObjectExpiredException;
/**
* This class is a static wrapper around the Turbine GlobalCacheService
* which doesn't provide its own wrapper.
*
* @see org.apache.turbine.services.cache.GlobalCacheService
* @author <a href="mailto:raphael@apache.org">Rapha謖 Luta</a>
* @version $Id: GlobalCache.java,v 1.7 2004/02/23 03:34:54 jford Exp $
*/
public class GlobalCache {
/**
* Add an object to the cache
*
* @param id key of the object used by the cache to store and retrieve
* it. Must not be null.
* @param o the object to cache
*/
public static void addObject( String id, CachedObject o ) {
GlobalCacheService gcs = (GlobalCacheService)TurbineServices
.getInstance()
.getService( GlobalCacheService.SERVICE_NAME );
gcs.addObject( id, o );
}
/**
* Gets a cached object given its id (a String).
*
* @param id The String id for the object.
* @return A CachedObject.
* @exception ObjectExpiredException The object has expired in
* the cache.
*/
public static CachedObject getObject(String id)
throws ObjectExpiredException {
GlobalCacheService gcs = (GlobalCacheService)TurbineServices
.getInstance()
.getService( GlobalCacheService.SERVICE_NAME );
return gcs.getObject( id );
}
/**
* Gets size, in bytes, of cache
*
* @return int Size, in byte, of cache
* @exception IOException Exception passed from
*/
public static int getCacheSize()
throws IOException {
GlobalCacheService gcs = (GlobalCacheService)TurbineServices
.getInstance()
.getService( GlobalCacheService.SERVICE_NAME );
return gcs.getCacheSize();
}
/**
* Gets size, in bytes, of cache
*
* @return int, Size, in byte, of cache
*/
public static int getNumberOfObjects() {
int tempInt = 0;
GlobalCacheService gcs = (GlobalCacheService)TurbineServices
.getInstance()
.getService( GlobalCacheService.SERVICE_NAME );
tempInt = gcs.getNumberOfObjects();
return tempInt;
}
/**
* Flush the cache of <B>ALL</B> objects
*/
public void flushCache() {
GlobalCacheService gcs = (GlobalCacheService)TurbineServices
.getInstance()
.getService( GlobalCacheService.SERVICE_NAME );
gcs.flushCache();
}
}