/*******************************************************************************
 * Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com>
 * This file is part of Gluster Management Console.
 *
 * Gluster Management Console is free software; you can redistribute
 * it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * Gluster Management Console 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see
 * <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package org.gluster.storage.management.core.model;

/**
 * Interface for a cluster listener. Every registered listener will be notified
 * on various events happening on the cluster.
 */
public interface ClusterListener {
	public void discoveredServerAdded(Server server);
	
	public void discoveredServerRemoved(Server server);
	
	public void discoveredServerChanged(Server server, Event event);

	public void serverAdded(GlusterServer server);

	public void serverRemoved(GlusterServer server);

	public void serverChanged(GlusterServer server, Event event);

	public void volumeChanged(Volume volume, Event event);

	public void volumeCreated(Volume volume);

	public void volumeDeleted(Volume volume);
	
	public void taskAdded(TaskInfo taskInfo);
	
	public void taskRemoved(TaskInfo taskInfo);
	
	public void taskUpdated(TaskInfo taskInfo);
	
	public void alertsGenerated();
	
	public void aggregatedStatsChanged();
	
	public void alertRemoved(Alert alert);
	
	public void alertCreated(Alert alert);
}