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/**
 *  Copyright (c) 1999-2011, 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;
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.chocosolver.parser.flatzinc.ast.expression;

import org.chocosolver.solver.Solver;
import org.chocosolver.solver.variables.SetVar;
import org.chocosolver.solver.variables.VF;
import org.chocosolver.util.tools.StringUtils;

/*
* User : CPRUDHOM
* Mail : cprudhom(a)emn.fr
* Date : 12 janv. 2010
* Since : Choco 2.1.1
*
* Class for set expressions definition based on flatzinc-like objects.
*/
public abstract class ESet extends Expression {

    protected ESet(EType typeOf) {
        super(typeOf);
    }

    public abstract int[] enumVal();


    @Override
    public final int[] toIntArray() {
        return enumVal();
    }

    @Override
    public final SetVar setVarValue(Solver solver) {
        int[] values = enumVal();
        return VF.set(StringUtils.randomName("set_const"), values, values, solver);
    }

    //
    @Override
    public final SetVar[] toSetVarArray(Solver solver) {
        return new SetVar[]{setVarValue(solver)};
    }
}