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T. J. Watson Libraries for Analysis

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/*
 * 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.AbstractNumberedGraph;
import com.ibm.wala.util.graph.NumberedEdgeManager;
import com.ibm.wala.util.graph.NumberedGraph;
import com.ibm.wala.util.graph.NumberedNodeManager;

/** A graph view that reverses the edges in a graph */
public class InvertedNumberedGraph extends AbstractNumberedGraph {

  private final NumberedNodeManager nodes;
  private final NumberedEdgeManager edges;

  @Override
  protected NumberedNodeManager getNodeManager() {
    return nodes;
  }

  @Override
  protected NumberedEdgeManager getEdgeManager() {
    return edges;
  }

  InvertedNumberedGraph(NumberedGraph G) {
    nodes = G;
    edges = new InvertingNumberedEdgeManager<>(G);
  }
}