. */ namespace Doctrine\ORM\Persisters; use Doctrine\Common\Collections\Expr\ExpressionVisitor; use Doctrine\Common\Collections\Expr\Comparison; use Doctrine\Common\Collections\Expr\Value; use Doctrine\Common\Collections\Expr\CompositeExpression; /** * Extract the values from a criteria/expression * * @author Benjamin Eberlei */ class SqlValueVisitor extends ExpressionVisitor { /** * @var array */ private $values = array(); /** * @var array */ private $types = array(); /** * Convert a comparison expression into the target query language output * * @param \Doctrine\Common\Collections\Expr\Comparison $comparison * * @return mixed */ public function walkComparison(Comparison $comparison) { $value = $comparison->getValue()->getValue(); $field = $comparison->getField(); $this->values[] = $value; $this->types[] = array($field, $value); } /** * Convert a composite expression into the target query language output * * @param \Doctrine\Common\Collections\Expr\CompositeExpression $expr * * @return mixed */ public function walkCompositeExpression(CompositeExpression $expr) { foreach ($expr->getExpressionList() as $child) { $this->dispatch($child); } } /** * Convert a value expression into the target query language part. * * @param \Doctrine\Common\Collections\Expr\Value $value * * @return mixed */ public function walkValue(Value $value) { return; } /** * Return the Parameters and Types necessary for matching the last visited expression. * * @return array */ public function getParamsAndTypes() { return array($this->values, $this->types); } }