com.mchange.v1.cachedstore.CachedStoreUtils Maven / Gradle / Ivy
/*
* Distributed as part of mchange-commons-java 0.2.11
*
* Copyright (C) 2015 Machinery For Change, Inc.
*
* Author: Steve Waldman
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of EITHER:
*
* 1) The GNU Lesser General Public License (LGPL), version 2.1, as
* published by the Free Software Foundation
*
* OR
*
* 2) The Eclipse Public License (EPL), version 1.0
*
* You may choose which license to accept if you wish to redistribute
* or modify this work. You may offer derivatives of this work
* under the license you have chosen, or you may provide the same
* choice of license which you have been offered here.
*
* 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.
*
* You should have received copies of both LGPL v2.1 and EPL v1.0
* along with this software; see the files LICENSE-EPL and LICENSE-LGPL.
* If not, the text of these licenses are currently available at
*
* LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php
*
*/
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()
{}
}