/*
* JBoss, Home of Professional Open Source.
* Copyright 2009, Red Hat Middleware LLC, 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.system.server.profileservice.repository.clustered.sync;
import org.jboss.system.server.profileservice.repository.clustered.metadata.RepositoryContentMetadata;
import org.jboss.system.server.profileservice.repository.clustered.metadata.RepositoryItemMetadata;
import org.jboss.system.server.profileservice.repository.clustered.metadata.RepositoryRootMetadata;
/**
* Base class for {@link SynchronizationAction} implementations
* that mutate the {@link RepositoryContentMetadata} as part of their
* function.
*
* @author Brian Stansberry
*
* @version $Revision: $
*/
public abstract class AbstractContentMetadataMutatorAction<T extends SynchronizationActionContext>
extends AbstractSynchronizationAction<T>
{
private final RepositoryItemMetadata rollbackMetadata;
/**
* Create a new AbstractContentMetadataMutatorAction.
*
* @param context the overall context of the modification
* @param modification the modification
*/
protected AbstractContentMetadataMutatorAction(T context,
ContentModification modification)
{
super(context, modification);
RepositoryContentMetadata contentMetadata = context.getInProgressMetadata();
RepositoryRootMetadata rmd = contentMetadata.getRepositoryRootMetadata(modification.getRootName());
if (rmd == null)
{
throw new IllegalStateException("Root " + modification.getRootName() + " unknown to " + contentMetadata);
}
this.rollbackMetadata = rmd.getItemMetadata(modification.getItem().getRelativePathElements());
}
protected void updateContentMetadata()
{
ContentModification mod = getRepositoryContentModification();
RepositoryContentMetadata contentMetadata = getContext().getInProgressMetadata();
RepositoryRootMetadata rmd = contentMetadata.getRepositoryRootMetadata(mod.getRootName());
rmd.getContent().add(mod.getItem());
}
protected void rollbackContentMetadata()
{
ContentModification mod = getRepositoryContentModification();
RepositoryContentMetadata contentMetadata = getContext().getInProgressMetadata();
RepositoryRootMetadata rmd = contentMetadata.getRepositoryRootMetadata(mod.getRootName());
if (rollbackMetadata == null)
{
rmd.getContent().remove(mod.getItem());
}
else
{
rmd.getContent().add(rollbackMetadata);
}
}
}