/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.jboss.as.controller.persistence;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import org.jboss.as.controller.PathAddress;
import org.jboss.dmr.ModelNode;
import org.jboss.staxmapper.XMLElementWriter;
/**
* A configuration persister which does not store configuration changes.
*
* @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a>
*/
public final class NullConfigurationPersister extends AbstractConfigurationPersister {
public NullConfigurationPersister() {
super(null);
}
public NullConfigurationPersister(XMLElementWriter<ModelMarshallingContext> rootDeparser) {
super(rootDeparser);
}
/** {@inheritDoc} */
@Override
public PersistenceResource store(final ModelNode model, Set<PathAddress> affectedAddresses) {
return NullPersistenceResource.INSTANCE;
}
/** {@inheritDoc} */
@Override
public List<ModelNode> load() {
return Collections.emptyList();
}
private static class NullPersistenceResource implements ConfigurationPersister.PersistenceResource {
private static final NullPersistenceResource INSTANCE = new NullPersistenceResource();
@Override
public void commit() {
}
@Override
public void rollback() {
}
}
}