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Open-source constraint solver.
/*
* This file is part of choco-solver, http://choco-solver.org/
*
* Copyright (c) 2020, IMT Atlantique. All rights reserved.
*
* Licensed under the BSD 4-clause license.
*
* See LICENSE file in the project root for full license information.
*/
package org.chocosolver.memory;
/**
* An interface for classes implementing trails of modifications to objects.
*
* Toutes les classes doivent implementer les fonctions de l'interface pour
* permettre a l'environnement de deleguer la gestion des mondes pour chaque type
* de donnee.
*/
public interface IStorage {
/**
* Moving up to the next world.
*
* Cette methode doit garder l'etat de la variable avant la modification
* de sorte a la remettre en etat le cas echeant.
*
* @param worldIndex current world index
*/
void worldPush(int worldIndex);
/**
* Moving down to the previous world.
*
* Cette methode reattribute a la variable ou l'element d'un tableau sa valeur
* precedente.
*
* @param worldIndex current world index
*/
void worldPop(int worldIndex);
/**
* Comitting the current world: merging it with the previous one.
*
* Not used yet.
*/
void worldCommit(int worldIndex);
}