/*
 * JBox2D - A Java Port of Erin Catto's Box2D
 * 
 * JBox2D homepage: http://jbox2d.sourceforge.net/ 
 * Box2D homepage: http://www.box2d.org
 * 
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 * 
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 * 
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software
 * in a product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 */

package org.jbox2d.dynamics;

import org.jbox2d.collision.Shape;
import org.jbox2d.dynamics.joints.Joint;

// Updated to rev 143 of b2WorldCallbacks.h

/**
 * Joints and shapes are destroyed when their associated
 * body is destroyed. Implement this listener so that you
 * may nullify references to these joints and shapes.
 */
public interface DestructionListener {
	
	
	/**
	 * Called when any joint is about to be destroyed due
	 * to the destruction of one of its attached bodies.
	 */
	public void sayGoodbye(Joint joint);

	/**
	 * Called when any shape is about to be destroyed due
	 * to the destruction of its parent body.
	 */
	public void sayGoodbye(Shape shape);
	
}
