Location: PHPKode > projects > GnomePHP > peec-GnomePHP-b5a360b/gnomephp/doctrine/Doctrine/ORM/Query/AST/ArithmeticFactor.php
<?php
/*
 *  $Id$
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
 * OWNER OR 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.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace Doctrine\ORM\Query\AST;

/**
 * ArithmeticFactor ::= [("+" | "-")] ArithmeticPrimary
 *
 * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
 * @link    www.doctrine-project.org
 * @since   2.0
 * @version $Revision: 3938 $
 * @author  Guilherme Blanco <hide@address.com>
 * @author  Jonathan Wage <hide@address.com>
 * @author  Roman Borschel <hide@address.com>
 */
class ArithmeticFactor extends Node
{
    /**
     * @var ArithmeticPrimary
     */
    public $arithmeticPrimary;
    
    /**
     * @var null|boolean NULL represents no sign, TRUE means positive and FALSE means negative sign
     */
    public $sign;

    public function __construct($arithmeticPrimary, $sign = null)
    {
        $this->arithmeticPrimary = $arithmeticPrimary;
        $this->sign = $sign;
    }

    public function isPositiveSigned()
    {
        return $this->sign === true;
    }

    public function isNegativeSigned()
    {
        return $this->sign === false;
    }

    public function dispatch($sqlWalker)
    {
        return $sqlWalker->walkArithmeticFactor($this);
    }
}
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