unix1/spoof

<?php

/**
 *  This is Spoof.
 *  Copyright (C) 2011-2017  Spoof project.
 *
 *  Spoof is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  Spoof 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 for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Spoof.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace spoof\lib360\db\condition;

use spoof\lib360\db\value;

/**
 * Simple DB condition class.
 *
 * This class is used to describe a simple database condition that uses
 * the left side, operator, and the right side to evaluate the statement.
 */
class Condition implements ICondition
{
    /**
     * Constant for equals operator
     */
    const OPERATOR_EQUALS = 1;
    /**
     * Constant for not equals operator
     */
    const OPERATOR_NOT_EQUALS = -1;
    /**
     * Constant for greater than operator
     */
    const OPERATOR_GREATER_THAN = 2;
    /**
     * Constant for greater than or equals operator
     */
    const OPERATOR_GREATER_THAN_OR_EQUAL = 3;
    /**
     * Constant for in operator
     */
    const OPERATOR_IN = 4;
    /**
     * Constant for less than operator
     */
    const OPERATOR_LESS_THAN = -2;
    /**
     * Constant for less than or equals operator
     */
    const OPERATOR_LESS_THAN_OR_EQUAL = -3;
    /**
     * Constant for not in operator
     */
    const OPERATOR_NOT_IN = -4;
    /**
     * Constant for like operator
     */
    const OPERATOR_LIKE = 5;
    /**
     * Constant for not like operator
     */
    const OPERATOR_NOT_LIKE = -5;
    /**
     * Value of the left side of the condition
     *
     * Property used to store the value of the left side of the database condition.
     */
    public $value1;
    /**
     * Condition operator
     *
     * Property used to store the operator for use with the database condition.
     */
    public $operator;
    /**
     * Value of the right side of the condition
     *
     * Property used to store the value of the right side of the database condition.
     */
    public $value2;

    /**
     * Constructor.
     *
     * Instantiates a database condition object with the given
     * left side value, operator, right side value.
     *
     * @param value\IValue $value1 the left side of the condition
     * @param string $operator database condition operator
     * @param value\IValue $value2 the right side of the condition
     */
    public function __construct(value\IValue $value1, $operator, value\IValue $value2)
    {
        if (($operator == self::OPERATOR_IN || $operator == self::OPERATOR_NOT_IN) &&
            $value2->getType() != value\Value::TYPE_ARRAY
        ) {
            throw new \InvalidArgumentException(
                "Invalid second operand. OPERATOR_IN expects \lib360\db\Value::TYPE_ARRAY (" .
                value\Value::TYPE_ARRAY . "); " . $value2->getType() . " given."
            );
        }
        $this->value1 = $value1;
        $this->operator = $operator;
        $this->value2 = $value2;
    }

}

?>