<?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\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 '?'; } }