<?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;
use Doctrine\Common\Collections\Criteria;
use Doctrine\Common\Collections\Selectable;
use Doctrine\Common\Inflector\Inflector;
use Doctrine\ORM\Query\ResultSetMappingBuilder;
use Doctrine\Persistence\ObjectRepository;
/**
* An EntityRepository serves as a repository for entities with generic as well as
* business specific methods for retrieving entities.
*
* This class is designed for inheritance and users can subclass this class to
* write their own repositories with business-specific methods to locate entities.
*
* @since 2.0
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
*/
class EntityRepository implements ObjectRepository, Selectable
{
/**
* @var string
*/
protected $_entityName;
/**
* @var EntityManager
*/
protected $_em;
/**
* @var \Doctrine\ORM\Mapping\ClassMetadata
*/
protected $_class;
/**
* Initializes a new <tt>EntityRepository</tt>.
*/
public function __construct(EntityManagerInterface $em, Mapping\ClassMetadata $class)
{
$this->_entityName = $class->name;
$this->_em = $em;
$this->_class = $class;
}
/**
* Creates a new QueryBuilder instance that is prepopulated for this entity name.
*
* @param string $alias
* @param string $indexBy The index for the from.
*
* @return QueryBuilder
*/
public function createQueryBuilder($alias, $indexBy = null)
{
return $this->_em->createQueryBuilder()
->select($alias)
->from($this->_entityName, $alias, $indexBy);
}
/**
* Creates a new result set mapping builder for this entity.
*
* The column naming strategy is "INCREMENT".
*
* @param string $alias
*
* @return ResultSetMappingBuilder
*/
public function createResultSetMappingBuilder($alias)
{
$rsm = new ResultSetMappingBuilder($this->_em, ResultSetMappingBuilder::COLUMN_RENAMING_INCREMENT);
$rsm->addRootEntityFromClassMetadata($this->_entityName, $alias);
return $rsm;
}
/**
* Creates a new Query instance based on a predefined metadata named query.
*
* @param string $queryName
*
* @return Query
*/
public function createNamedQuery($queryName)
{
return $this->_em->createQuery($this->_class->getNamedQuery($queryName));
}
/**
* Creates a native SQL query.
*
* @param string $queryName
*
* @return NativeQuery
*/
public function createNativeNamedQuery($queryName)
{
$queryMapping = $this->_class->getNamedNativeQuery($queryName);
$rsm = new Query\ResultSetMappingBuilder($this->_em);
$rsm->addNamedNativeQueryMapping($this->_class, $queryMapping);
return $this->_em->createNativeQuery($queryMapping['query'], $rsm);
}
/**
* Clears the repository, causing all managed entities to become detached.
*
* @return void
*/
public function clear()
{
$this->_em->clear($this->_class->rootEntityName);
}
/**
* Finds an entity by its primary key / identifier.
*
* @param mixed $id The identifier.
* @param int|null $lockMode One of the \Doctrine\DBAL\LockMode::* constants
* or NULL if no specific lock mode should be used
* during the search.
* @param int|null $lockVersion The lock version.
*
* @return object|null The entity instance or NULL if the entity can not be found.
*/
public function find($id, $lockMode = null, $lockVersion = null)
{
return $this->_em->find($this->_entityName, $id, $lockMode, $lockVersion);
}
/**
* Finds all entities in the repository.
*
* @return array The entities.
*/
public function findAll()
{
return $this->findBy([]);
}
/**
* Finds entities by a set of criteria.
*
* @param array $criteria
* @param array|null $orderBy
* @param int|null $limit
* @param int|null $offset
*
* @return array The objects.
*/
public function findBy(array $criteria, array $orderBy = null, $limit = null, $offset = null)
{
$persister = $this->_em->getUnitOfWork()->getEntityPersister($this->_entityName);
return $persister->loadAll($criteria, $orderBy, $limit, $offset);
}
/**
* Finds a single entity by a set of criteria.
*
* @param array $criteria
* @param array|null $orderBy
*
* @return object|null The entity instance or NULL if the entity can not be found.
*/
public function findOneBy(array $criteria, array $orderBy = null)
{
$persister = $this->_em->getUnitOfWork()->getEntityPersister($this->_entityName);
return $persister->load($criteria, null, null, [], null, 1, $orderBy);
}
/**
* Counts entities by a set of criteria.
*
* @todo Add this method to `ObjectRepository` interface in the next major release
*
* @param array $criteria
*
* @return int The cardinality of the objects that match the given criteria.
*/
public function count(array $criteria)
{
return $this->_em->getUnitOfWork()->getEntityPersister($this->_entityName)->count($criteria);
}
/**
* Adds support for magic method calls.
*
* @param string $method
* @param array $arguments
*
* @return mixed The returned value from the resolved method.
*
* @throws ORMException
* @throws \BadMethodCallException If the method called is invalid
*/
public function __call($method, $arguments)
{
if (0 === strpos($method, 'findBy')) {
return $this->resolveMagicCall('findBy', substr($method, 6), $arguments);
}
if (0 === strpos($method, 'findOneBy')) {
return $this->resolveMagicCall('findOneBy', substr($method, 9), $arguments);
}
if (0 === strpos($method, 'countBy')) {
return $this->resolveMagicCall('count', substr($method, 7), $arguments);
}
throw new \BadMethodCallException(
"Undefined method '$method'. The method name must start with ".
"either findBy, findOneBy or countBy!"
);
}
/**
* @return string
*/
protected function getEntityName()
{
return $this->_entityName;
}
/**
* @return string
*/
public function getClassName()
{
return $this->getEntityName();
}
/**
* @return EntityManager
*/
protected function getEntityManager()
{
return $this->_em;
}
/**
* @return Mapping\ClassMetadata
*/
protected function getClassMetadata()
{
return $this->_class;
}
/**
* Select all elements from a selectable that match the expression and
* return a new collection containing these elements.
*
* @param \Doctrine\Common\Collections\Criteria $criteria
*
* @return \Doctrine\Common\Collections\Collection
*/
public function matching(Criteria $criteria)
{
$persister = $this->_em->getUnitOfWork()->getEntityPersister($this->_entityName);
return new LazyCriteriaCollection($persister, $criteria);
}
/**
* Resolves a magic method call to the proper existent method at `EntityRepository`.
*
* @param string $method The method to call
* @param string $by The property name used as condition
* @param array $arguments The arguments to pass at method call
*
* @throws ORMException If the method called is invalid or the requested field/association does not exist
*
* @return mixed
*/
private function resolveMagicCall($method, $by, array $arguments)
{
if (! $arguments) {
throw ORMException::findByRequiresParameter($method . $by);
}
$fieldName = lcfirst(Inflector::classify($by));
if (! ($this->_class->hasField($fieldName) || $this->_class->hasAssociation($fieldName))) {
throw ORMException::invalidMagicCall($this->_entityName, $fieldName, $method . $by);
}
return $this->$method([$fieldName => $arguments[0]], ...array_slice($arguments, 1));
}
}