source: FCSSimpleEndpoint/trunk/src/main/java/eu/clarin/sru/server/fcs/parser/Operator.java @ 7273

/**
 * This software is copyright (c) 2013-2022 by
 *  - Leibniz-Institut fuer Deutsche Sprache (http://www.ids-mannheim.de)
 * This is free software. You can redistribute it
 * and/or modify it under the terms described in
 * the GNU General Public License v3 of which you
 * should have received a copy. Otherwise you can download
 * it from
 *
 *   http://www.gnu.org/licenses/gpl-3.0.txt
 *
 * @copyright Leibniz-Institut fuer Deutsche Sprache (http://www.ids-mannheim.de)
 *
 * @license http://www.gnu.org/licenses/gpl-3.0.txt
 *  GNU General Public License v3
 */
package eu.clarin.sru.server.fcs.parser;


/**
 * FCS-QL operators.
 */
public enum Operator {
    /**
     * EQUALS operator.
     */
    EQUALS {
        @Override
        String toDisplayString() {
            return "Eq";
        }
    },
    /**
     * NOT-EQUALS operator.
     */
    NOT_EQUALS {
        @Override
        String toDisplayString() {
            return "Ne";
        }
    };

    abstract String toDisplayString();

} // enum Operator