org.red5.server.so.ISharedObjectEvent Maven / Gradle / Ivy

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package org.red5.server.so;

/*
 * RED5 Open Source Flash Server - http://code.google.com/p/red5/
 * 
 * Copyright (c) 2006-2010 by respective authors (see below). All rights reserved.
 * 
 * This library 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 library 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 library; if not, write to the Free Software Foundation, Inc., 
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
 */

/**
 * One update event for a shared object received through a connection.
 */
public interface ISharedObjectEvent {

	enum Type {
		SERVER_CONNECT, SERVER_DISCONNECT, SERVER_SET_ATTRIBUTE, SERVER_DELETE_ATTRIBUTE,
		SERVER_SEND_MESSAGE, CLIENT_CLEAR_DATA, CLIENT_DELETE_ATTRIBUTE, CLIENT_DELETE_DATA,
		CLIENT_INITIAL_DATA, CLIENT_STATUS, CLIENT_UPDATE_DATA, CLIENT_UPDATE_ATTRIBUTE,
		CLIENT_SEND_MESSAGE
	};

	/**
	 * Returns the type of the event.
	 * 
	 * @return the type of the event.
	 */
	public Type getType();

	/**
	 * Returns the key of the event.
	 * 
	 * Depending on the type this contains:
	 * 
	 * the attribute name to set for SET_ATTRIBUTE
	 * the attribute name to delete for DELETE_ATTRIBUTE
	 * the handler name to call for SEND_MESSAGE
	 * 
	 * In all other cases the key is null.
	 * 
	 * @return the key of the event
	 */
	public String getKey();

	/**
	 * Returns the value of the event.
	 * 
	 * Depending on the type this contains:
	 * 
	 * the attribute value to set for SET_ATTRIBUTE
	 * a list of parameters to pass to the handler for SEND_MESSAGE
	 * 
	 * In all other cases the value is null.
	 * 
	 * @return the value of the event
	 */
	public Object getValue();
}