com.mchange.v1.cachedstore.NoCacheCachedStore Maven / Gradle / Ivy
/*
* Distributed as part of mchange-commons-java v.0.2.3
*
* Copyright (C) 2012 Machinery For Change, Inc.
*
* Author: Steve Waldman
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1, as
* published by the Free Software Foundation.
*
* This software 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 software; see the file LICENSE. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
package com.mchange.v1.cachedstore;
import java.util.Collections;
import java.util.Iterator;
import com.mchange.v1.util.IteratorUtils;
class NoCacheCachedStore implements TweakableCachedStore
{
CachedStore.Manager mgr;
NoCacheCachedStore(CachedStore.Manager mgr)
{ this.mgr = mgr; }
public Object find(Object key) throws CachedStoreException
{
try {return mgr.recreateFromKey( key ); }
catch (Exception e)
{
e.printStackTrace();
throw CachedStoreUtils.toCachedStoreException( e );
}
}
public void reset()
{}
public Object getCachedValue(Object key)
{ return null; }
public void removeFromCache(Object key)
{}
public void setCachedValue(Object key, Object value)
{}
public Iterator cachedKeys()
{ return IteratorUtils.EMPTY_ITERATOR; }
}