305 lines
9.0 KiB
PHP
305 lines
9.0 KiB
PHP
<?php
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/*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\ORM;
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use Doctrine\DBAL\LockMode;
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use Doctrine\Common\Persistence\ObjectRepository;
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/**
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* An EntityRepository serves as a repository for entities with generic as well as
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* business specific methods for retrieving entities.
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*
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* This class is designed for inheritance and users can subclass this class to
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* write their own repositories with business-specific methods to locate entities.
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*
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* @since 2.0
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* @author Benjamin Eberlei <kontakt@beberlei.de>
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
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* @author Jonathan Wage <jonwage@gmail.com>
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* @author Roman Borschel <roman@code-factory.org>
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*/
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class EntityRepository implements ObjectRepository
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{
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/**
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* @var string
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*/
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protected $_entityName;
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/**
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* @var EntityManager
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*/
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protected $_em;
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/**
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* @var \Doctrine\ORM\Mapping\ClassMetadata
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*/
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protected $_class;
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/**
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* Initializes a new <tt>EntityRepository</tt>.
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*
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* @param EntityManager $em The EntityManager to use.
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* @param ClassMetadata $classMetadata The class descriptor.
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*/
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public function __construct($em, Mapping\ClassMetadata $class)
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{
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$this->_entityName = $class->name;
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$this->_em = $em;
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$this->_class = $class;
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}
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/**
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* Create a new QueryBuilder instance that is prepopulated for this entity name
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*
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* @param string $alias
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* @return QueryBuilder $qb
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*/
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public function createQueryBuilder($alias)
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{
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return $this->_em->createQueryBuilder()
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->select($alias)
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->from($this->_entityName, $alias);
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}
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/**
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* Create a new Query instance based on a predefined metadata named query.
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*
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* @param string $queryName
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* @return Query
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*/
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public function createNamedQuery($queryName)
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{
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return $this->_em->createQuery($this->_class->getNamedQuery($queryName));
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}
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/**
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* Creates a native SQL query.
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*
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* @param string $queryName
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* @return NativeQuery
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*/
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public function createNativeNamedQuery($queryName)
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{
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$queryMapping = $this->_class->getNamedNativeQuery($queryName);
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$rsm = new Query\ResultSetMappingBuilder($this->_em);
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$rsm->addNamedNativeQueryMapping($this->_class, $queryMapping);
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return $this->_em->createNativeQuery($queryMapping['query'], $rsm);
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}
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/**
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* Clears the repository, causing all managed entities to become detached.
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*/
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public function clear()
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{
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$this->_em->clear($this->_class->rootEntityName);
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}
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/**
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* Finds an entity by its primary key / identifier.
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*
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* @param $id The identifier.
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* @param int $lockMode
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* @param int $lockVersion
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* @return object The entity.
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*/
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public function find($id, $lockMode = LockMode::NONE, $lockVersion = null)
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{
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if ( ! is_array($id)) {
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$id = array($this->_class->identifier[0] => $id);
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}
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$sortedId = array();
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foreach ($this->_class->identifier as $identifier) {
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if ( ! isset($id[$identifier])) {
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throw ORMException::missingIdentifierField($this->_class->name, $identifier);
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}
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$sortedId[$identifier] = $id[$identifier];
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}
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// Check identity map first
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if (($entity = $this->_em->getUnitOfWork()->tryGetById($sortedId, $this->_class->rootEntityName)) !== false) {
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if ( ! ($entity instanceof $this->_class->name)) {
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return null;
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}
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if ($lockMode !== LockMode::NONE) {
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$this->_em->lock($entity, $lockMode, $lockVersion);
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}
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return $entity; // Hit!
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}
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$persister = $this->_em->getUnitOfWork()->getEntityPersister($this->_entityName);
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switch ($lockMode) {
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case LockMode::NONE:
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return $persister->load($sortedId);
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case LockMode::OPTIMISTIC:
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if ( ! $this->_class->isVersioned) {
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throw OptimisticLockException::notVersioned($this->_entityName);
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}
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$entity = $persister->load($sortedId);
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$this->_em->getUnitOfWork()->lock($entity, $lockMode, $lockVersion);
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return $entity;
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default:
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if ( ! $this->_em->getConnection()->isTransactionActive()) {
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throw TransactionRequiredException::transactionRequired();
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}
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return $persister->load($sortedId, null, null, array(), $lockMode);
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}
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}
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/**
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* Finds all entities in the repository.
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*
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* @return array The entities.
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*/
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public function findAll()
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{
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return $this->findBy(array());
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}
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/**
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* Finds entities by a set of criteria.
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*
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* @param array $criteria
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* @param array|null $orderBy
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* @param int|null $limit
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* @param int|null $offset
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* @return array The objects.
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*/
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public function findBy(array $criteria, array $orderBy = null, $limit = null, $offset = null)
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{
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$persister = $this->_em->getUnitOfWork()->getEntityPersister($this->_entityName);
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return $persister->loadAll($criteria, $orderBy, $limit, $offset);
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}
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/**
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* Finds a single entity by a set of criteria.
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*
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* @param array $criteria
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* @return object
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*/
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public function findOneBy(array $criteria)
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{
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$persister = $this->_em->getUnitOfWork()->getEntityPersister($this->_entityName);
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return $persister->load($criteria, null, null, array(), 0, 1);
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}
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/**
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* Adds support for magic finders.
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*
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* @return array|object The found entity/entities.
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* @throws BadMethodCallException If the method called is an invalid find* method
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* or no find* method at all and therefore an invalid
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* method call.
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*/
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public function __call($method, $arguments)
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{
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switch (true) {
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case (0 === strpos($method, 'findBy')):
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$by = substr($method, 6);
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$method = 'findBy';
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break;
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case (0 === strpos($method, 'findOneBy')):
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$by = substr($method, 9);
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$method = 'findOneBy';
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break;
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default:
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throw new \BadMethodCallException(
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"Undefined method '$method'. The method name must start with ".
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"either findBy or findOneBy!"
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);
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}
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if (empty($arguments)) {
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throw ORMException::findByRequiresParameter($method . $by);
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}
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$fieldName = lcfirst(\Doctrine\Common\Util\Inflector::classify($by));
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if ($this->_class->hasField($fieldName) || $this->_class->hasAssociation($fieldName)) {
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switch (count($arguments)) {
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case 1:
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return $this->$method(array($fieldName => $arguments[0]));
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case 2:
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return $this->$method(array($fieldName => $arguments[0]), $arguments[1]);
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case 3:
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return $this->$method(array($fieldName => $arguments[0]), $arguments[1], $arguments[2]);
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case 4;
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return $this->$method(array($fieldName => $arguments[0]), $arguments[1], $arguments[2], $arguments[3]);
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default:
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// Do nothing
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}
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}
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throw ORMException::invalidFindByCall($this->_entityName, $fieldName, $method.$by);
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}
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/**
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* @return string
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*/
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protected function getEntityName()
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{
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return $this->_entityName;
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}
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/**
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* @return string
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*/
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public function getClassName()
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{
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return $this->getEntityName();
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}
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/**
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* @return EntityManager
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*/
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protected function getEntityManager()
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{
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return $this->_em;
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}
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/**
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* @return Mapping\ClassMetadata
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*/
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protected function getClassMetadata()
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{
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return $this->_class;
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}
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}
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