/**
 *  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 solver.constraints;

import gnu.trove.map.hash.THashMap;

/**
 * <br/>
 *
 * @author Charles Prud'homme
 * @since 21/01/13
 */
public enum Operator {

    NONE(-1), EQ(0), LT(1), GT(2), NQ(3), LE(4), GE(5), PL(6), MN(7);

    int num;

    private Operator(int num) {
        this.num = num;
    }

    static THashMap<String, Operator> operators = new THashMap<String, Operator>();

    static {
        operators.put("@", Operator.NONE);
        operators.put("=", Operator.EQ);
        operators.put(">", Operator.GT);
        operators.put(">=", Operator.GE);
        operators.put("<", Operator.LT);
        operators.put("<=", Operator.LE);
        operators.put("!=", Operator.EQ);
        operators.put("+", Operator.PL);
        operators.put("-", Operator.MN);
    }

    ;


    public static Operator get(String name) {
        return operators.get(name);
    }
}

/**
 *  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 solver.constraints;

import gnu.trove.map.hash.THashMap;

/**
 * <br/>
 *
 * @author Charles Prud'homme
 * @since 21/01/13
 */
public enum Operator {

    NONE(-1), EQ(0), LT(1), GT(2), NQ(3), LE(4), GE(5), PL(6), MN(7);

    int num;

    private Operator(int num) {
        this.num = num;
    }

    static THashMap<String, Operator> operators = new THashMap<String, Operator>();

    static {
        operators.put("@", Operator.NONE);
        operators.put("=", Operator.EQ);
        operators.put(">", Operator.GT);
        operators.put(">=", Operator.GE);
        operators.put("<", Operator.LT);
        operators.put("<=", Operator.LE);
        operators.put("!=", Operator.NQ);
        operators.put("+", Operator.PL);
        operators.put("-", Operator.MN);
    }

    ;


    public static Operator get(String name) {
        return operators.get(name);
    }
}

Fix bug in Operator