/*
 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, version 2.0, as published by the
 * Free Software Foundation.
 *
 * This program is also distributed with certain software (including but not
 * limited to OpenSSL) that is licensed under separate terms, as designated in a
 * particular file or component or in included license documentation. The
 * authors of MySQL hereby grant you an additional permission to link the
 * program and your derivative works with the separately licensed software that
 * they have included with MySQL.
 *
 * Without limiting anything contained in the foregoing, this file, which is
 * part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
 * version 1.0, a copy of which can be found at
 * http://oss.oracle.com/licenses/universal-foss-exception.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
 */

package com.mysql.cj.xdevapi;

/**
 * A wrapper for expression strings. Used as parameters values e.g.: <code>set("b", Expression.expr("a + 1"))</code>.
 */
public class Expression {
    private String expressionString;

    public Expression(String expressionString) {
        this.expressionString = expressionString;
    }

    /**
     * Get the string form of this expression
     * 
     * @return expression string
     */
    public String getExpressionString() {
        return this.expressionString;
    }

    /**
     * Static method for static import to allow: <code>set("b", expr("a + 1"))</code>
     * 
     * @param expressionString
     *            expression string
     * @return {@link Expression}
     */
    public static Expression expr(String expressionString) {
        return new Expression(expressionString);
    }
}