<?php
namespace Doctrine\Bundle\DoctrineBundle\Repository;
use Doctrine\Bundle\DoctrineBundle\DependencyInjection\Compiler\ServiceRepositoryCompilerPass;
use Doctrine\ORM\EntityManagerInterface;
use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\ORM\Repository\RepositoryFactory;
use Doctrine\Persistence\ObjectRepository;
use Psr\Container\ContainerInterface;
use RuntimeException;
/**
* Fetches repositories from the container or falls back to normal creation.
*/
final class ContainerRepositoryFactory implements RepositoryFactory
{
/** @var ObjectRepository[] */
private $managedRepositories = [];
/** @var ContainerInterface */
private $container;
/**
* @param ContainerInterface $container A service locator containing the repositories
*/
public function __construct(ContainerInterface $container)
{
$this->container = $container;
}
/**
* {@inheritdoc}
*/
public function getRepository(EntityManagerInterface $entityManager, $entityName) : ObjectRepository
{
$metadata = $entityManager->getClassMetadata($entityName);
$repositoryServiceId = $metadata->customRepositoryClassName;
$customRepositoryName = $metadata->customRepositoryClassName;
if ($customRepositoryName !== null) {
// fetch from the container
if ($this->container->has($customRepositoryName)) {
$repository = $this->container->get($customRepositoryName);
if (! $repository instanceof ObjectRepository) {
throw new RuntimeException(sprintf('The service "%s" must implement ObjectRepository (or extend a base class, like ServiceEntityRepository).', $repositoryServiceId));
}
return $repository;
}
// if not in the container but the class/id implements the interface, throw an error
if (is_a($customRepositoryName, ServiceEntityRepositoryInterface::class, true)) {
throw new RuntimeException(sprintf('The "%s" entity repository implements "%s", but its service could not be found. Make sure the service exists and is tagged with "%s".', $customRepositoryName, ServiceEntityRepositoryInterface::class, ServiceRepositoryCompilerPass::REPOSITORY_SERVICE_TAG));
}
if (! class_exists($customRepositoryName)) {
throw new RuntimeException(sprintf('The "%s" entity has a repositoryClass set to "%s", but this is not a valid class. Check your class naming. If this is meant to be a service id, make sure this service exists and is tagged with "%s".', $metadata->name, $customRepositoryName, ServiceRepositoryCompilerPass::REPOSITORY_SERVICE_TAG));
}
// allow the repository to be created below
}
return $this->getOrCreateRepository($entityManager, $metadata);
}
private function getOrCreateRepository(
EntityManagerInterface $entityManager,
ClassMetadata $metadata
) : ObjectRepository {
$repositoryHash = $metadata->getName() . spl_object_hash($entityManager);
if (isset($this->managedRepositories[$repositoryHash])) {
return $this->managedRepositories[$repositoryHash];
}
$repositoryClassName = $metadata->customRepositoryClassName ?: $entityManager->getConfiguration()->getDefaultRepositoryClassName();
return $this->managedRepositories[$repositoryHash] = new $repositoryClassName($entityManager, $metadata);
}
}