/*******************************************************************************
* 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.impl;
import com.ibm.wala.util.graph.INodeWithNumber;
import com.ibm.wala.util.graph.NumberedGraph;
/**
* A node which carries it's own number; which identifies it in a {@link NumberedGraph} implementation.
*
* Note that a {@link NodeWithNumber} can live it at most one {@link NumberedGraph} at a time. The {@link NumberedGraph} will mutate
* the number here. So this is a bit fragile. Use this only if you know what you're doing.
*/
public class NodeWithNumber implements INodeWithNumber {
private int number = -1;
/**
* @return the number which identifies this node in the numbered graph
*/
@Override
public int getGraphNodeId() {
return number;
}
@Override
public void setGraphNodeId(int i) {
number = i;
}
}