/usr/share/php/Doctrine/ORM/Persisters/SqlExpressionVisitor.php is in php-doctrine-orm 2.5.14+dfsg-1.
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/*
* 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\Persisters;
use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\Common\Collections\Expr\ExpressionVisitor;
use Doctrine\Common\Collections\Expr\Comparison;
use Doctrine\Common\Collections\Expr\Value;
use Doctrine\Common\Collections\Expr\CompositeExpression;
use Doctrine\ORM\Persisters\Entity\BasicEntityPersister;
/**
* Visit Expressions and generate SQL WHERE conditions from them.
*
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @since 2.3
*/
class SqlExpressionVisitor extends ExpressionVisitor
{
/**
* @var \Doctrine\ORM\Persisters\Entity\BasicEntityPersister
*/
private $persister;
/**
* @var \Doctrine\ORM\Mapping\ClassMetadata
*/
private $classMetadata;
/**
* @param \Doctrine\ORM\Persisters\Entity\BasicEntityPersister $persister
* @param \Doctrine\ORM\Mapping\ClassMetadata $classMetadata
*/
public function __construct(BasicEntityPersister $persister, ClassMetadata $classMetadata)
{
$this->persister = $persister;
$this->classMetadata = $classMetadata;
}
/**
* Converts a comparison expression into the target query language output.
*
* @param \Doctrine\Common\Collections\Expr\Comparison $comparison
*
* @return mixed
*/
public function walkComparison(Comparison $comparison)
{
$field = $comparison->getField();
$value = $comparison->getValue()->getValue(); // shortcut for walkValue()
if (isset($this->classMetadata->associationMappings[$field]) &&
$value !== null &&
! is_object($value) &&
! in_array($comparison->getOperator(), array(Comparison::IN, Comparison::NIN))) {
throw PersisterException::matchingAssocationFieldRequiresObject($this->classMetadata->name, $field);
}
return $this->persister->getSelectConditionStatementSQL($field, $value, null, $comparison->getOperator());
}
/**
* Converts a composite expression into the target query language output.
*
* @param \Doctrine\Common\Collections\Expr\CompositeExpression $expr
*
* @return mixed
*
* @throws \RuntimeException
*/
public function walkCompositeExpression(CompositeExpression $expr)
{
$expressionList = array();
foreach ($expr->getExpressionList() as $child) {
$expressionList[] = $this->dispatch($child);
}
switch($expr->getType()) {
case CompositeExpression::TYPE_AND:
return '(' . implode(' AND ', $expressionList) . ')';
case CompositeExpression::TYPE_OR:
return '(' . implode(' OR ', $expressionList) . ')';
default:
throw new \RuntimeException("Unknown composite " . $expr->getType());
}
}
/**
* Converts a value expression into the target query language part.
*
* @param \Doctrine\Common\Collections\Expr\Value $value
*
* @return mixed
*/
public function walkValue(Value $value)
{
return '?';
}
}
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