/*
 * 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.notifications.event;

import java.util.Map;

/**
 * This event is passed in to any method annotated with {@link org.jboss.cache.notifications.annotation.NodeRemoved}.
 *
 * @author <a href="mailto:manik AT jboss DOT org">Manik Surtani</a>
 * @since 2.0.0
 */
public interface NodeRemovedEvent extends NodeEvent
{
   /**
    * @return an unmodifiable {@link Map} of data.  When <tt>isPre() == true</tt>, this is the initial state of the {@link org.jboss.cache.Node}
    *         before removal.  When called with <tt>isPre() == false</tt>, this is <tt>null</tt>.
    */
   Map getData();
}
