/*
* 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;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import org.jboss.profileservice.spi.DeploymentOption;
import org.jboss.profileservice.spi.DeploymentRepository;
import org.jboss.profileservice.spi.ModificationInfo;
import org.jboss.profileservice.spi.ProfileKey;
import org.jboss.system.server.profileservice.repository.clustered.local.LocalContentManagerFactory;
/**
* A {@link ClusteredDeploymentRepository} that will only accept content changes
* <i>pulled</i> from the cluster at {@link DeploymentRepository#load() load} time;
* pushing updates to the cluster at load is not support, nor are changes
* after load supported. Such a repository can be used to provision a node
* from the cluster at startup, while leaving content immutable thereafter.
*
* @author Brian Stansberry
*/
public class ImmutableClusteredDeploymentRepository extends ClusteredDeploymentRepository
{
/**
* Create a new ImmutableClusteredDeploymentRepository.
*
* @param key
* @param uris
*/
public ImmutableClusteredDeploymentRepository(ProfileKey key, URI[] uris,
Map<ProfileKey, RepositoryClusteringHandler> clusteringHandlers,
Set<LocalContentManagerFactory<?>> persisterFactories)
throws IOException
{
super(key, uris, clusteringHandlers, persisterFactories);
}
public Collection<ModificationInfo> getModifiedDeployments() throws Exception
{
return Collections.emptySet();
}
public String addDeploymentContent(String vfsPath, InputStream contentIS, DeploymentOption... options) throws IOException
{
throw new IllegalStateException("Cannot add content to an immutable repository.");
}
public void remove() throws Exception
{
throw new IllegalStateException("Cannot remove immutable repository.");
}
@Override
public synchronized boolean registerClusteringHandler(RepositoryClusteringHandler handler)
{
boolean update = super.registerClusteringHandler(handler);
if (update)
{
RepositoryClusteringHandler ours = getClusteringHandler();
ours.setImmutable(true);
}
return update;
}
}