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A graph module for Choco Solver.

There is a newer version: 4.2.2

/*
 * Copyright (c) 1999-2014, Ecole des Mines de Nantes
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Ecole des Mines de Nantes nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 */

package org.chocosolver.graphsolver.variables;

import org.chocosolver.util.objects.graphs.UndirectedGraph;
import org.chocosolver.util.objects.setDataStructures.ISet;

public interface IUndirectedGraphVar extends IGraphVar {

	/**
	 * Get the set of neighbors of vertex 'idx' in the lower bound graph
	 * (mandatory incident edges)
	 * @param idx	a vertex
	 * @return The set of neighbors of 'idx' in LB
	 */
	ISet getMandNeighOf(int idx);

	/**
	 * Get the set of neighbors of vertex 'idx' in the upper bound graph
	 * (potential incident edges)
	 * @param idx	a vertex
	 * @return The set of neighbors of 'idx' in UB
	 */
	ISet getPotNeighOf(int idx);
}