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EntityType.php
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EntityType.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Bridge\Doctrine\Form\Type;
use Doctrine\Common\Persistence\ObjectManager;
use Doctrine\ORM\Query\Parameter;
use Doctrine\ORM\QueryBuilder;
use Symfony\Bridge\Doctrine\Form\ChoiceList\ORMQueryBuilderLoader;
use Symfony\Component\Form\Exception\UnexpectedTypeException;
use Symfony\Component\OptionsResolver\Options;
use Symfony\Component\OptionsResolver\OptionsResolver;
class EntityType extends DoctrineType
{
public function configureOptions(OptionsResolver $resolver)
{
parent::configureOptions($resolver);
// Invoke the query builder closure so that we can cache choice lists
// for equal query builders
$queryBuilderNormalizer = function (Options $options, $queryBuilder) {
if (\is_callable($queryBuilder)) {
$queryBuilder = \call_user_func($queryBuilder, $options['em']->getRepository($options['class']));
if (null !== $queryBuilder && !$queryBuilder instanceof QueryBuilder) {
throw new UnexpectedTypeException($queryBuilder, 'Doctrine\ORM\QueryBuilder');
}
}
return $queryBuilder;
};
$resolver->setNormalizer('query_builder', $queryBuilderNormalizer);
$resolver->setAllowedTypes('query_builder', array('null', 'callable', 'Doctrine\ORM\QueryBuilder'));
}
/**
* Return the default loader object.
*
* @param ObjectManager $manager
* @param QueryBuilder $queryBuilder
* @param string $class
*
* @return ORMQueryBuilderLoader
*/
public function getLoader(ObjectManager $manager, $queryBuilder, $class)
{
return new ORMQueryBuilderLoader($queryBuilder, $manager, $class);
}
/**
* {@inheritdoc}
*/
public function getName()
{
return $this->getBlockPrefix();
}
/**
* {@inheritdoc}
*/
public function getBlockPrefix()
{
return 'entity';
}
/**
* We consider two query builders with an equal SQL string and
* equal parameters to be equal.
*
* @param QueryBuilder $queryBuilder
*
* @return array
*
* @internal This method is public to be usable as callback. It should not
* be used in user code.
*/
public function getQueryBuilderPartsForCachingHash($queryBuilder)
{
return array(
$queryBuilder->getQuery()->getSQL(),
array_map(array($this, 'parameterToArray'), $queryBuilder->getParameters()->toArray()),
);
}
/**
* Converts a query parameter to an array.
*
* @return array The array representation of the parameter
*/
private function parameterToArray(Parameter $parameter)
{
return array($parameter->getName(), $parameter->getType(), $parameter->getValue());
}
}