/*
 * 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;

import com.mysql.cj.x.protobuf.MysqlxCrud.UpdateOperation;
import com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier;
import com.mysql.cj.x.protobuf.MysqlxExpr.Expr;

public class UpdateSpec {

    private UpdateOperation.UpdateType updateType;
    private ColumnIdentifier source;
    private Expr value;

    public UpdateSpec(UpdateType updateType, String source) {
        this.updateType = UpdateOperation.UpdateType.valueOf(updateType.name());
        // accomodate parser's documentField() handling by removing "$"
        if (source.length() > 0 && source.charAt(0) == '$') {
            source = source.substring(1);
        }
        this.source = new ExprParser(source, false).documentField().getIdentifier();
    }

    public Object getUpdateType() {
        return this.updateType;
    }

    public Object getSource() {
        return this.source;
    }

    public UpdateSpec setValue(Object value) {
        this.value = ExprUtil.argObjectToExpr(value, false);
        return this;
    }

    public Object getValue() {
        return this.value;
    }
}