/*******************************************************************************
 * Copyright (c) 2012, 2013 Association for Decentralized Information Management in
 * Industry THTH ry.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.g3d.scenegraph.base;

import org.eclipse.core.runtime.ListenerList;





public interface INode {
	
	/**
	 * 
	 * @return unique node identifier
	 */
	// public Long getId();

	/**
	 * @return root node of the scene graph or <code>null</code> if this node is
	 *         not part of a properly rooted scene graph hierarchy
	 */
	public ParentNode<?> getRootNode();

	/**
	 * @return Parent node reference or <code>null</code> if not set
	 */
	public ParentNode<?> getParent();
	
	public String getParentRel();
	/**
	 * Set parent node. This method is for scene graph internal use only and
	 * should not be called outside the scene graph structure. This method
	 * simply sets the parent node parent field, and does not affect on parent
	 * node (i.e., should be called only from parent node).
	 */
	public void setParent(ParentNode<?> parent, String name);

	/**
	 * Perform cleanup for this node and for the child nodes. Any resources
	 * (including child nodes) related to this node are unusable after this
	 * operation. This method is for scene graph internal use only, thus should
	 * not be called outside the scene graph structure.
	 */
	public void cleanup();
	/**
	 * Remove this node and its children from the scene graph.
	 */
	public void remove();
	
	public void deattach();

	
	public void addListener(NodeListener listener);
	public void removeListener(NodeListener listener);
	
	public ListenerList<NodeListener> getListeners();

}