/*
* This file is part of the Jikes RVM project (http://jikesrvm.org).
*
* This file is licensed to You under the Eclipse Public License (EPL);
* You may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership.
*/
package org.jikesrvm.compilers.opt.util;
import java.util.Enumeration;
/**
* Generic interface for enumerations of graph nodes. All graph
* implementations should make sure that their enumerations of graph
* nodes implement this interface, and all graph utilities that need
* to enumerate nodes should use this interface.
*
*
* @see Graph
* @see GraphNode
*/
public interface GraphNodeEnumeration extends Enumeration<GraphNode> {
/**
* Return the next graph node in the enumeration.
* @return the next graph node in the enumeration
*/
GraphNode next();
}