34 lines
925 B
Java
34 lines
925 B
Java
/*******************************************************************************
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* Copyright (c) 2007 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package com.ibm.wala.util.graph;
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/**
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* Utility methods for graphs.
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*/
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public class GraphUtil {
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/**
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* count the number of edges in g
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*/
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public static <T> long countEdges(Graph<T> g) {
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if (g == null) {
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throw new IllegalArgumentException("g is null");
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}
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long edgeCount = 0;
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for (T t : g) {
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edgeCount += g.getSuccNodeCount(t);
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}
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return edgeCount;
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}
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}
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