Updater.java

/**
 * Copyright (c) 2003-2009, Xith3D Project Group all rights reserved.
 * 
 * Portions based on the Java3D interface, Copyright by Sun Microsystems.
 * Many thanks to the developers of Java3D and Sun Microsystems for their
 * innovation and design.
 * 
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 * modification, are permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * 
 * Neither the name of the 'Xith3D Project Group' nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
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package org.xith3d.loop;

/**
 * An Updater is capable of updating instances of {@link Updatable}.
 * 
 * @author Marvin Froehlich (aka Qudus)
 */
public interface Updater extends Updatable
{
    /**
     * Adds a new Updatable instance to the list, that is worked each frame.
     * This is like adding a ScheduledOperation, that is infinitely alive and persistent.
     * 
     * @param updatable
     */
    public void addUpdatable( Updatable updatable );
    
    /**
     * Removes an Updatable instance from the list, that is worked each frame.
     * 
     * @param updatable
     */
    public void removeUpdatable( Updatable updatable );
}