/*
* JBoss, Home of Professional Open Source.
* Copyright 2000 - 2008, 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.cache.commands.legacy.write;
import org.jboss.cache.Fqn;
import org.jboss.cache.InvocationContext;
import org.jboss.cache.NodeSPI;
import org.jboss.cache.commands.write.EvictCommand;
import java.util.Collection;
/**
* Evict command for legacy locking schemes like OL and PL.
*
* @author Manik Surtani (<a href="mailto:manik AT jboss DOT org">manik AT jboss DOT org</a>)
* @since 3.0
* @deprecated will be removed along with optimistic and pessimistic locking.
*/
@Deprecated
public class LegacyEvictCommand extends EvictCommand
{
public LegacyEvictCommand(Fqn fqn)
{
super(fqn);
}
public LegacyEvictCommand()
{
}
@Override
protected NodeSPI lookupForEviction(InvocationContext ctx, Fqn fqn)
{
return dataContainer.peek(fqn, false, true);
}
@Override
protected Collection<Fqn> getRecursiveEvictionNodes()
{
return dataContainer.getNodesForEviction(fqn, true);
}
@Override
protected boolean evictNode(Fqn fqn, InvocationContext ctx, NodeSPI node)
{
notifier.notifyNodeEvicted(fqn, true, ctx);
try
{
if (node == null) return true;
if (node.hasChildrenDirect() || fqn.isRoot())
{
if (trace) log.trace("removing DATA as node has children: evict(" + fqn + ")");
node.clearDataDirect();
node.setDataLoaded(false);
return false;
}
else
{
if (trace) log.trace("removing NODE as it is a leaf: evict(" + fqn + ")");
NodeSPI parentNode = lookupForEviction(ctx, fqn.getParent());
if (parentNode != null)
{
parentNode.removeChildDirect(fqn.getLastElement());
parentNode.setChildrenLoaded(false);
}
node.setValid(false, false);
node.markAsDeleted(true);
return true;
}
}
finally
{
notifier.notifyNodeEvicted(fqn, false, ctx);
}
}
}