/*******************************************************************************
* 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.Graph;
import com.ibm.wala.util.graph.NumberedGraph;
/**
* A graph view that reverses the edges in a graph
*/
public class GraphInverter {
public static <T> NumberedGraph<T> invert(final NumberedGraph<T> G) {
return new InvertedNumberedGraph<T>(G);
}
/**
* @param G
* @return A graph view that reverses the edges in G
*/
public static <T> Graph<T> invert(final Graph<T> G) {
if (G instanceof NumberedGraph) {
return new InvertedNumberedGraph<T>((NumberedGraph<T>) G);
} else {
return new InvertedGraph<T>(G);
}
}
}