/
PathExpression.php
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/
PathExpression.php
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<?php
/*
* 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 MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Query\AST;
/**
* AssociationPathExpression ::= CollectionValuedPathExpression | SingleValuedAssociationPathExpression
* SingleValuedPathExpression ::= StateFieldPathExpression | SingleValuedAssociationPathExpression
* StateFieldPathExpression ::= SimpleStateFieldPathExpression | SimpleStateFieldAssociationPathExpression
* SingleValuedAssociationPathExpression ::= IdentificationVariable "." SingleValuedAssociationField
* CollectionValuedPathExpression ::= IdentificationVariable "." CollectionValuedAssociationField
* StateField ::= {EmbeddedClassStateField "."}* SimpleStateField
* SimpleStateFieldPathExpression ::= IdentificationVariable "." StateField
*
* @since 2.0
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
*/
class PathExpression extends Node
{
const TYPE_COLLECTION_VALUED_ASSOCIATION = 2;
const TYPE_SINGLE_VALUED_ASSOCIATION = 4;
const TYPE_STATE_FIELD = 8;
/**
* @var int
*/
public $type;
/**
* @var int
*/
public $expectedType;
/**
* @var string
*/
public $identificationVariable;
/**
* @var string|null
*/
public $field;
/**
* @param int $expectedType
* @param string $identificationVariable
* @param string|null $field
*/
public function __construct($expectedType, $identificationVariable, $field = null)
{
$this->expectedType = $expectedType;
$this->identificationVariable = $identificationVariable;
$this->field = $field;
}
/**
* {@inheritdoc}
*/
public function dispatch($walker)
{
return $walker->walkPathExpression($this);
}
}