com.mchange.v1.cachedstore.CachedStoreUtils 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 com.mchange.lang.PotentiallySecondary;
import com.mchange.v1.lang.Synchronizer;
public final class CachedStoreUtils
{
final static boolean DEBUG = true;
public static CachedStore synchronizedCachedStore(CachedStore orig)
{ return (CachedStore) Synchronizer.createSynchronizedWrapper( orig ); }
public static TweakableCachedStore synchronizedTweakableCachedStore(TweakableCachedStore orig)
{ return (TweakableCachedStore) Synchronizer.createSynchronizedWrapper( orig ); }
public static WritableCachedStore synchronizedWritableCachedStore(WritableCachedStore orig)
{ return (WritableCachedStore) Synchronizer.createSynchronizedWrapper( orig ); }
public static CachedStore untweakableCachedStore(final TweakableCachedStore orig)
{
return new CachedStore()
{
public Object find(Object key) throws CachedStoreException
{ return orig.find( key ); }
public void reset() throws CachedStoreException
{ orig.reset(); }
};
}
static CachedStoreException toCachedStoreException( Throwable t )
{
if (DEBUG) t.printStackTrace();
if (t instanceof CachedStoreException)
return (CachedStoreException) t;
else if (t instanceof PotentiallySecondary)
{
Throwable t2 = ((PotentiallySecondary) t).getNestedThrowable();
if (t2 instanceof CachedStoreException)
return (CachedStoreException) t2;
}
return new CachedStoreException( t );
}
static CacheFlushException toCacheFlushException( Throwable t )
{
if (DEBUG) t.printStackTrace();
if (t instanceof CacheFlushException)
return (CacheFlushException) t;
else
return new CacheFlushException( t );
}
private CachedStoreUtils()
{}
}