/*
* Lokomo OneCMDB - An Open Source Software for Configuration
* Management of Datacenter Resources
*
* Copyright (C) 2006 Lokomo Systems AB
*
* This program 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 2 of the License, or (at
* your option) any later version.
*
* This program 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*
* Lokomo Systems AB can be contacted via e-mail: info@lokomo.com or via
* paper mail: Lokomo Systems AB, Sv�rdv�gen 27, SE-182 33
* Danderyd, Sweden.
*
*/
package org.onecmdb.core.internal.notification;
import java.util.Set;
/** interface needed to be implmented by notification publichers */
public interface NotificationProvider {
/**
* Ask for the notfication <em>types</em> supported, and expected to be
* sent by this notification provider.
*/
public Set<NotificationTopic> getNotificationTopics();
/**
* Sends a notification to registered notfication sinks, via its
* {@link NotificationSink#onNotification} method method
*
* @param topic
* The topic to publish on
* @param payload
* The payload which will follow the notification
* @throws IllegalStateException
* must be thrown in case the provider is not registrered to the
* send the notifiction topic passed
*/
public void sendNotification(NotificationTopic topic, Object payload);
}