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doctrine2/lib/Doctrine/ORM/Query/AST/ComparisonExpression.php

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<?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;
/**
* ComparisonExpression ::= ArithmeticExpression ComparisonOperator ( QuantifiedExpression | ArithmeticExpression ) |
* StringExpression ComparisonOperator (StringExpression | QuantifiedExpression) |
* BooleanExpression ("=" | "<>" | "!=") (BooleanExpression | QuantifiedExpression) |
* EnumExpression ("=" | "<>" | "!=") (EnumExpression | QuantifiedExpression) |
* DatetimeExpression ComparisonOperator (DatetimeExpression | QuantifiedExpression) |
* EntityExpression ("=" | "<>") (EntityExpression | QuantifiedExpression)
*
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.doctrine-project.org
* @since 2.0
* @version $Revision: 3938 $
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
*/
class ComparisonExpression extends Node
{
public $leftExpression;
public $rightExpression;
public $operator;
public function __construct($leftExpr, $operator, $rightExpr)
{
$this->leftExpression = $leftExpr;
$this->rightExpression = $rightExpr;
$this->operator = $operator;
}
public function dispatch($sqlWalker)
{
return $sqlWalker->walkComparisonExpression($this);
}
}