/*******************************************************************************
* Copyright (c) 2002 - 2006 IBM Corporation.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package com.ibm.wala.util.graph;
/**
* Basic interface for a node which lives in one graph ... it's id is used
* to implement the {@link NumberedGraph} interface.
*/
public interface INodeWithNumber {
/**
* A non-negative integer which serves as an identifier for this node in
* it's "dominant" graph. Initially this number is -1; a NumberedGraph
* will set it to a non-negative value when this node is inserted into
* the graph
* @return the identifier
*/
public int getGraphNodeId();
/**
* @param number
*/
void setGraphNodeId(int number);
}