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* JBoss, Home of Professional Open Source
* Copyright 2009 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This 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 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; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.loaders.decorators;
import org.infinispan.container.entries.InternalCacheEntry;
import org.infinispan.loaders.CacheStore;
import org.infinispan.loaders.modifications.Modification;
import org.infinispan.transaction.xa.GlobalTransaction;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import java.io.ObjectInput;
import java.util.List;
/**
* A decorator that makes the underlying store a {@link org.infinispan.loaders.CacheLoader}, i.e., suppressing all write
* methods.
*
* @author Manik Surtani
* @since 4.0
*/
public class ReadOnlyStore extends AbstractDelegatingStore {
private static final Log log = LogFactory.getLog(ReadOnlyStore.class);
public ReadOnlyStore(CacheStore delegate) {
super(delegate);
}
@Override
public void store(InternalCacheEntry ed) {
log.trace("Ignoring store invocation");
}
@Override
public void fromStream(ObjectInput inputStream) {
log.trace("Ignoring writing contents of stream to store");
}
@Override
public void clear() {
log.trace("Ignoring clear invocation");
}
@Override
public boolean remove(Object key) {
log.trace("Ignoring removal of key");
return false; // no-op
}
@Override
public void purgeExpired() {
log.trace("Ignoring purge expired invocation");
}
@Override
public void commit(GlobalTransaction tx) {
log.trace("Ignoring transactional commit call");
}
@Override
public void rollback(GlobalTransaction tx) {
log.trace("Ignoring transactional rollback call");
}
@Override
public void prepare(List<? extends Modification> list, GlobalTransaction tx, boolean isOnePhase) {
log.trace("Ignoring transactional prepare call");
}
}