835 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			835 lines
		
	
	
		
			24 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 Closure, Exception,
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    Doctrine\Common\EventManager,
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    Doctrine\Common\Persistence\ObjectManager,
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    Doctrine\DBAL\Connection,
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    Doctrine\DBAL\LockMode,
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    Doctrine\ORM\Mapping\ClassMetadata,
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    Doctrine\ORM\Mapping\ClassMetadataFactory,
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    Doctrine\ORM\Query\ResultSetMapping,
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    Doctrine\ORM\Proxy\ProxyFactory,
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    Doctrine\ORM\Query\FilterCollection;
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/**
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 * The EntityManager is the central access point to ORM functionality.
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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 EntityManager implements ObjectManager
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{
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    /**
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     * The used Configuration.
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     *
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     * @var \Doctrine\ORM\Configuration
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     */
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    private $config;
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    /**
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     * The database connection used by the EntityManager.
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     *
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     * @var \Doctrine\DBAL\Connection
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     */
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    private $conn;
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    /**
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     * The metadata factory, used to retrieve the ORM metadata of entity classes.
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     *
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     * @var \Doctrine\ORM\Mapping\ClassMetadataFactory
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     */
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    private $metadataFactory;
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    /**
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     * The EntityRepository instances.
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     *
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     * @var array
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     */
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    private $repositories = array();
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    /**
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     * The UnitOfWork used to coordinate object-level transactions.
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     *
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     * @var \Doctrine\ORM\UnitOfWork
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     */
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    private $unitOfWork;
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    /**
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     * The event manager that is the central point of the event system.
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     *
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     * @var \Doctrine\Common\EventManager
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     */
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    private $eventManager;
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    /**
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     * The maintained (cached) hydrators. One instance per type.
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     *
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     * @var array
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     */
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    private $hydrators = array();
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    /**
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     * The proxy factory used to create dynamic proxies.
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     *
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     * @var \Doctrine\ORM\Proxy\ProxyFactory
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     */
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    private $proxyFactory;
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    /**
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     * The expression builder instance used to generate query expressions.
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     *
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     * @var \Doctrine\ORM\Query\Expr
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     */
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    private $expressionBuilder;
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    /**
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     * Whether the EntityManager is closed or not.
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     *
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     * @var bool
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     */
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    private $closed = false;
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    /**
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     * Collection of query filters.
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     *
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     * @var Doctrine\ORM\Query\FilterCollection
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     */
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    private $filterCollection;
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    /**
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     * Creates a new EntityManager that operates on the given database connection
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     * and uses the given Configuration and EventManager implementations.
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     *
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     * @param \Doctrine\DBAL\Connection $conn
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     * @param \Doctrine\ORM\Configuration $config
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     * @param \Doctrine\Common\EventManager $eventManager
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     */
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    protected function __construct(Connection $conn, Configuration $config, EventManager $eventManager)
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    {
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        $this->conn = $conn;
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        $this->config = $config;
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        $this->eventManager = $eventManager;
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        $metadataFactoryClassName = $config->getClassMetadataFactoryName();
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        $this->metadataFactory = new $metadataFactoryClassName;
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        $this->metadataFactory->setEntityManager($this);
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        $this->metadataFactory->setCacheDriver($this->config->getMetadataCacheImpl());
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        $this->unitOfWork = new UnitOfWork($this);
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        $this->proxyFactory = new ProxyFactory(
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            $this,
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            $config->getProxyDir(),
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            $config->getProxyNamespace(),
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            $config->getAutoGenerateProxyClasses()
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        );
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    }
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    /**
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     * Gets the database connection object used by the EntityManager.
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     *
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     * @return \Doctrine\DBAL\Connection
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     */
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    public function getConnection()
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    {
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        return $this->conn;
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    }
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    /**
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     * Gets the metadata factory used to gather the metadata of classes.
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     *
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     * @return \Doctrine\ORM\Mapping\ClassMetadataFactory
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     */
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    public function getMetadataFactory()
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    {
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        return $this->metadataFactory;
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    }
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    /**
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     * Gets an ExpressionBuilder used for object-oriented construction of query expressions.
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     *
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     * Example:
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     *
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     * <code>
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     *     $qb = $em->createQueryBuilder();
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     *     $expr = $em->getExpressionBuilder();
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     *     $qb->select('u')->from('User', 'u')
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     *         ->where($expr->orX($expr->eq('u.id', 1), $expr->eq('u.id', 2)));
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     * </code>
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     *
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     * @return \Doctrine\ORM\Query\Expr
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     */
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    public function getExpressionBuilder()
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    {
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        if ($this->expressionBuilder === null) {
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            $this->expressionBuilder = new Query\Expr;
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        }
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        return $this->expressionBuilder;
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    }
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    /**
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     * Starts a transaction on the underlying database connection.
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     *
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     * @deprecated Use {@link getConnection}.beginTransaction().
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     */
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    public function beginTransaction()
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    {
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        $this->conn->beginTransaction();
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    }
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    /**
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     * Executes a function in a transaction.
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     *
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     * The function gets passed this EntityManager instance as an (optional) parameter.
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     *
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     * {@link flush} is invoked prior to transaction commit.
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     *
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     * If an exception occurs during execution of the function or flushing or transaction commit,
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     * the transaction is rolled back, the EntityManager closed and the exception re-thrown.
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     *
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     * @param Closure $func The function to execute transactionally.
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     * @return mixed Returns the non-empty value returned from the closure or true instead
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     */
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    public function transactional(Closure $func)
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    {
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        $this->conn->beginTransaction();
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        try {
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            $return = $func($this);
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            $this->flush();
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            $this->conn->commit();
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            return $return ?: true;
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        } catch (Exception $e) {
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            $this->close();
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            $this->conn->rollback();
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            throw $e;
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        }
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    }
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    /**
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     * Commits a transaction on the underlying database connection.
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     *
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     * @deprecated Use {@link getConnection}.commit().
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     */
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    public function commit()
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    {
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        $this->conn->commit();
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    }
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    /**
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     * Performs a rollback on the underlying database connection.
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     *
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     * @deprecated Use {@link getConnection}.rollback().
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     */
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    public function rollback()
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    {
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        $this->conn->rollback();
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    }
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    /**
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     * Returns the ORM metadata descriptor for a class.
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     *
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     * The class name must be the fully-qualified class name without a leading backslash
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     * (as it is returned by get_class($obj)) or an aliased class name.
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     *
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     * Examples:
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     * MyProject\Domain\User
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     * sales:PriceRequest
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     *
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     * @return \Doctrine\ORM\Mapping\ClassMetadata
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     * @internal Performance-sensitive method.
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     */
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    public function getClassMetadata($className)
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    {
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        return $this->metadataFactory->getMetadataFor($className);
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    }
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    /**
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     * Creates a new Query object.
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     *
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     * @param string  The DQL string.
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     * @return \Doctrine\ORM\Query
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     */
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    public function createQuery($dql = "")
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    {
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        $query = new Query($this);
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        if ( ! empty($dql)) {
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            $query->setDql($dql);
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        }
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        return $query;
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    }
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    /**
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     * Creates a Query from a named query.
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     *
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     * @param string $name
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     * @return \Doctrine\ORM\Query
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     */
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    public function createNamedQuery($name)
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    {
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        return $this->createQuery($this->config->getNamedQuery($name));
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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 $sql
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     * @param ResultSetMapping $rsm The ResultSetMapping to use.
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     * @return NativeQuery
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     */
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    public function createNativeQuery($sql, ResultSetMapping $rsm)
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    {
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        $query = new NativeQuery($this);
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        $query->setSql($sql);
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        $query->setResultSetMapping($rsm);
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        return $query;
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    }
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    /**
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     * Creates a NativeQuery from a named native query.
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     *
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     * @param string $name
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     * @return \Doctrine\ORM\NativeQuery
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     */
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    public function createNamedNativeQuery($name)
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    {
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        list($sql, $rsm) = $this->config->getNamedNativeQuery($name);
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        return $this->createNativeQuery($sql, $rsm);
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    }
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    /**
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     * Create a QueryBuilder instance
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     *
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     * @return QueryBuilder $qb
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     */
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    public function createQueryBuilder()
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    {
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        return new QueryBuilder($this);
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    }
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    /**
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     * Flushes all changes to objects that have been queued up to now to the database.
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     * This effectively synchronizes the in-memory state of managed objects with the
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     * database.
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     *
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     * If an entity is explicitly passed to this method only this entity and
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     * the cascade-persist semantics + scheduled inserts/removals are synchronized.
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     *
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     * @param object $entity
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     * @throws \Doctrine\ORM\OptimisticLockException If a version check on an entity that
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     *         makes use of optimistic locking fails.
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     */
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    public function flush($entity = null)
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    {
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        $this->errorIfClosed();
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        $this->unitOfWork->commit($entity);
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    }
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						|
    /**
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     * Finds an Entity by its identifier.
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     *
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     * This is just a convenient shortcut for getRepository($entityName)->find($id).
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     *
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     * @param string $entityName
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     * @param mixed $identifier
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     * @param int $lockMode
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     * @param int $lockVersion
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     * @return object
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     */
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    public function find($entityName, $identifier, $lockMode = LockMode::NONE, $lockVersion = null)
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    {
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        return $this->getRepository($entityName)->find($identifier, $lockMode, $lockVersion);
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    }
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    /**
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     * Gets a reference to the entity identified by the given type and identifier
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     * without actually loading it, if the entity is not yet loaded.
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     *
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						|
     * @param string $entityName The name of the entity type.
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     * @param mixed $id The entity identifier.
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     * @return object The entity reference.
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     */
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    public function getReference($entityName, $id)
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    {
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        $class = $this->metadataFactory->getMetadataFor(ltrim($entityName, '\\'));
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        if ( ! is_array($id)) {
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            $id = array($class->identifier[0] => $id);
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        }
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        $sortedId = array();
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        foreach ($class->identifier as $identifier) {
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						|
            if (!isset($id[$identifier])) {
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						|
                throw ORMException::missingIdentifierField($class->name, $identifier);
 | 
						|
            }
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            $sortedId[$identifier] = $id[$identifier];
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        }
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        // Check identity map first, if its already in there just return it.
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						|
        if ($entity = $this->unitOfWork->tryGetById($sortedId, $class->rootEntityName)) {
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						|
            return ($entity instanceof $class->name) ? $entity : null;
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						|
        }
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						|
        if ($class->subClasses) {
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						|
            return $this->find($entityName, $sortedId);
 | 
						|
        }
 | 
						|
 | 
						|
        if ( ! is_array($sortedId)) {
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						|
            $sortedId = array($class->identifier[0] => $sortedId);
 | 
						|
        }
 | 
						|
 | 
						|
        $entity = $this->proxyFactory->getProxy($class->name, $sortedId);
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						|
        $this->unitOfWork->registerManaged($entity, $sortedId, array());
 | 
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        return $entity;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets a partial reference to the entity identified by the given type and identifier
 | 
						|
     * without actually loading it, if the entity is not yet loaded.
 | 
						|
     *
 | 
						|
     * The returned reference may be a partial object if the entity is not yet loaded/managed.
 | 
						|
     * If it is a partial object it will not initialize the rest of the entity state on access.
 | 
						|
     * Thus you can only ever safely access the identifier of an entity obtained through
 | 
						|
     * this method.
 | 
						|
     *
 | 
						|
     * The use-cases for partial references involve maintaining bidirectional associations
 | 
						|
     * without loading one side of the association or to update an entity without loading it.
 | 
						|
     * Note, however, that in the latter case the original (persistent) entity data will
 | 
						|
     * never be visible to the application (especially not event listeners) as it will
 | 
						|
     * never be loaded in the first place.
 | 
						|
     *
 | 
						|
     * @param string $entityName The name of the entity type.
 | 
						|
     * @param mixed $identifier The entity identifier.
 | 
						|
     * @return object The (partial) entity reference.
 | 
						|
     */
 | 
						|
    public function getPartialReference($entityName, $identifier)
 | 
						|
    {
 | 
						|
        $class = $this->metadataFactory->getMetadataFor(ltrim($entityName, '\\'));
 | 
						|
 | 
						|
        // Check identity map first, if its already in there just return it.
 | 
						|
        if ($entity = $this->unitOfWork->tryGetById($identifier, $class->rootEntityName)) {
 | 
						|
            return ($entity instanceof $class->name) ? $entity : null;
 | 
						|
        }
 | 
						|
 | 
						|
        if ( ! is_array($identifier)) {
 | 
						|
            $identifier = array($class->identifier[0] => $identifier);
 | 
						|
        }
 | 
						|
 | 
						|
        $entity = $class->newInstance();
 | 
						|
        $class->setIdentifierValues($entity, $identifier);
 | 
						|
        $this->unitOfWork->registerManaged($entity, $identifier, array());
 | 
						|
        $this->unitOfWork->markReadOnly($entity);
 | 
						|
 | 
						|
        return $entity;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Clears the EntityManager. All entities that are currently managed
 | 
						|
     * by this EntityManager become detached.
 | 
						|
     *
 | 
						|
     * @param string $entityName if given, only entities of this type will get detached
 | 
						|
     */
 | 
						|
    public function clear($entityName = null)
 | 
						|
    {
 | 
						|
        $this->unitOfWork->clear($entityName);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Closes the EntityManager. All entities that are currently managed
 | 
						|
     * by this EntityManager become detached. The EntityManager may no longer
 | 
						|
     * be used after it is closed.
 | 
						|
     */
 | 
						|
    public function close()
 | 
						|
    {
 | 
						|
        $this->clear();
 | 
						|
        $this->closed = true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Tells the EntityManager to make an instance managed and persistent.
 | 
						|
     *
 | 
						|
     * The entity will be entered into the database at or before transaction
 | 
						|
     * commit or as a result of the flush operation.
 | 
						|
     *
 | 
						|
     * NOTE: The persist operation always considers entities that are not yet known to
 | 
						|
     * this EntityManager as NEW. Do not pass detached entities to the persist operation.
 | 
						|
     *
 | 
						|
     * @param object $object The instance to make managed and persistent.
 | 
						|
     */
 | 
						|
    public function persist($entity)
 | 
						|
    {
 | 
						|
        if ( ! is_object($entity)) {
 | 
						|
            throw new \InvalidArgumentException(gettype($entity));
 | 
						|
        }
 | 
						|
 | 
						|
        $this->errorIfClosed();
 | 
						|
 | 
						|
        $this->unitOfWork->persist($entity);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Removes an entity instance.
 | 
						|
     *
 | 
						|
     * A removed entity will be removed from the database at or before transaction commit
 | 
						|
     * or as a result of the flush operation.
 | 
						|
     *
 | 
						|
     * @param object $entity The entity instance to remove.
 | 
						|
     */
 | 
						|
    public function remove($entity)
 | 
						|
    {
 | 
						|
        if ( ! is_object($entity)) {
 | 
						|
            throw new \InvalidArgumentException(gettype($entity));
 | 
						|
        }
 | 
						|
 | 
						|
        $this->errorIfClosed();
 | 
						|
 | 
						|
        $this->unitOfWork->remove($entity);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Refreshes the persistent state of an entity from the database,
 | 
						|
     * overriding any local changes that have not yet been persisted.
 | 
						|
     *
 | 
						|
     * @param object $entity The entity to refresh.
 | 
						|
     */
 | 
						|
    public function refresh($entity)
 | 
						|
    {
 | 
						|
        if ( ! is_object($entity)) {
 | 
						|
            throw new \InvalidArgumentException(gettype($entity));
 | 
						|
        }
 | 
						|
 | 
						|
        $this->errorIfClosed();
 | 
						|
 | 
						|
        $this->unitOfWork->refresh($entity);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Detaches an entity from the EntityManager, causing a managed entity to
 | 
						|
     * become detached.  Unflushed changes made to the entity if any
 | 
						|
     * (including removal of the entity), will not be synchronized to the database.
 | 
						|
     * Entities which previously referenced the detached entity will continue to
 | 
						|
     * reference it.
 | 
						|
     *
 | 
						|
     * @param object $entity The entity to detach.
 | 
						|
     */
 | 
						|
    public function detach($entity)
 | 
						|
    {
 | 
						|
        if ( ! is_object($entity)) {
 | 
						|
            throw new \InvalidArgumentException(gettype($entity));
 | 
						|
        }
 | 
						|
 | 
						|
        $this->unitOfWork->detach($entity);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Merges the state of a detached entity into the persistence context
 | 
						|
     * of this EntityManager and returns the managed copy of the entity.
 | 
						|
     * The entity passed to merge will not become associated/managed with this EntityManager.
 | 
						|
     *
 | 
						|
     * @param object $entity The detached entity to merge into the persistence context.
 | 
						|
     * @return object The managed copy of the entity.
 | 
						|
     */
 | 
						|
    public function merge($entity)
 | 
						|
    {
 | 
						|
        if ( ! is_object($entity)) {
 | 
						|
            throw new \InvalidArgumentException(gettype($entity));
 | 
						|
        }
 | 
						|
 | 
						|
        $this->errorIfClosed();
 | 
						|
 | 
						|
        return $this->unitOfWork->merge($entity);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Creates a copy of the given entity. Can create a shallow or a deep copy.
 | 
						|
     *
 | 
						|
     * @param object $entity  The entity to copy.
 | 
						|
     * @return object  The new entity.
 | 
						|
     * @todo Implementation need. This is necessary since $e2 = clone $e1; throws an E_FATAL when access anything on $e:
 | 
						|
     * Fatal error: Maximum function nesting level of '100' reached, aborting!
 | 
						|
     */
 | 
						|
    public function copy($entity, $deep = false)
 | 
						|
    {
 | 
						|
        throw new \BadMethodCallException("Not implemented.");
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Acquire a lock on the given entity.
 | 
						|
     *
 | 
						|
     * @param object $entity
 | 
						|
     * @param int $lockMode
 | 
						|
     * @param int $lockVersion
 | 
						|
     * @throws OptimisticLockException
 | 
						|
     * @throws PessimisticLockException
 | 
						|
     */
 | 
						|
    public function lock($entity, $lockMode, $lockVersion = null)
 | 
						|
    {
 | 
						|
        $this->unitOfWork->lock($entity, $lockMode, $lockVersion);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets the repository for an entity class.
 | 
						|
     *
 | 
						|
     * @param string $entityName The name of the entity.
 | 
						|
     * @return EntityRepository The repository class.
 | 
						|
     */
 | 
						|
    public function getRepository($entityName)
 | 
						|
    {
 | 
						|
        $entityName = ltrim($entityName, '\\');
 | 
						|
 | 
						|
        if (isset($this->repositories[$entityName])) {
 | 
						|
            return $this->repositories[$entityName];
 | 
						|
        }
 | 
						|
 | 
						|
        $metadata = $this->getClassMetadata($entityName);
 | 
						|
        $repositoryClassName = $metadata->customRepositoryClassName;
 | 
						|
 | 
						|
        if ($repositoryClassName === null) {
 | 
						|
            $repositoryClassName = $this->config->getDefaultRepositoryClassName();
 | 
						|
        }
 | 
						|
 | 
						|
        $repository = new $repositoryClassName($this, $metadata);
 | 
						|
 | 
						|
        $this->repositories[$entityName] = $repository;
 | 
						|
 | 
						|
        return $repository;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Determines whether an entity instance is managed in this EntityManager.
 | 
						|
     *
 | 
						|
     * @param object $entity
 | 
						|
     * @return boolean TRUE if this EntityManager currently manages the given entity, FALSE otherwise.
 | 
						|
     */
 | 
						|
    public function contains($entity)
 | 
						|
    {
 | 
						|
        return $this->unitOfWork->isScheduledForInsert($entity)
 | 
						|
            || $this->unitOfWork->isInIdentityMap($entity)
 | 
						|
            && ! $this->unitOfWork->isScheduledForDelete($entity);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets the EventManager used by the EntityManager.
 | 
						|
     *
 | 
						|
     * @return \Doctrine\Common\EventManager
 | 
						|
     */
 | 
						|
    public function getEventManager()
 | 
						|
    {
 | 
						|
        return $this->eventManager;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets the Configuration used by the EntityManager.
 | 
						|
     *
 | 
						|
     * @return \Doctrine\ORM\Configuration
 | 
						|
     */
 | 
						|
    public function getConfiguration()
 | 
						|
    {
 | 
						|
        return $this->config;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Throws an exception if the EntityManager is closed or currently not active.
 | 
						|
     *
 | 
						|
     * @throws ORMException If the EntityManager is closed.
 | 
						|
     */
 | 
						|
    private function errorIfClosed()
 | 
						|
    {
 | 
						|
        if ($this->closed) {
 | 
						|
            throw ORMException::entityManagerClosed();
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Check if the Entity manager is open or closed.
 | 
						|
     *
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function isOpen()
 | 
						|
    {
 | 
						|
        return (!$this->closed);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets the UnitOfWork used by the EntityManager to coordinate operations.
 | 
						|
     *
 | 
						|
     * @return \Doctrine\ORM\UnitOfWork
 | 
						|
     */
 | 
						|
    public function getUnitOfWork()
 | 
						|
    {
 | 
						|
        return $this->unitOfWork;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets a hydrator for the given hydration mode.
 | 
						|
     *
 | 
						|
     * This method caches the hydrator instances which is used for all queries that don't
 | 
						|
     * selectively iterate over the result.
 | 
						|
     *
 | 
						|
     * @param int $hydrationMode
 | 
						|
     * @return \Doctrine\ORM\Internal\Hydration\AbstractHydrator
 | 
						|
     */
 | 
						|
    public function getHydrator($hydrationMode)
 | 
						|
    {
 | 
						|
        if ( ! isset($this->hydrators[$hydrationMode])) {
 | 
						|
            $this->hydrators[$hydrationMode] = $this->newHydrator($hydrationMode);
 | 
						|
        }
 | 
						|
 | 
						|
        return $this->hydrators[$hydrationMode];
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Create a new instance for the given hydration mode.
 | 
						|
     *
 | 
						|
     * @param  int $hydrationMode
 | 
						|
     * @return \Doctrine\ORM\Internal\Hydration\AbstractHydrator
 | 
						|
     */
 | 
						|
    public function newHydrator($hydrationMode)
 | 
						|
    {
 | 
						|
        switch ($hydrationMode) {
 | 
						|
            case Query::HYDRATE_OBJECT:
 | 
						|
                return new Internal\Hydration\ObjectHydrator($this);
 | 
						|
 | 
						|
            case Query::HYDRATE_ARRAY:
 | 
						|
                return new Internal\Hydration\ArrayHydrator($this);
 | 
						|
 | 
						|
            case Query::HYDRATE_SCALAR:
 | 
						|
                return new Internal\Hydration\ScalarHydrator($this);
 | 
						|
 | 
						|
            case Query::HYDRATE_SINGLE_SCALAR:
 | 
						|
                return new Internal\Hydration\SingleScalarHydrator($this);
 | 
						|
 | 
						|
            case Query::HYDRATE_SIMPLEOBJECT:
 | 
						|
                return new Internal\Hydration\SimpleObjectHydrator($this);
 | 
						|
 | 
						|
            default:
 | 
						|
                if ($class = $this->config->getCustomHydrationMode($hydrationMode)) {
 | 
						|
                    return new $class($this);
 | 
						|
                }
 | 
						|
        }
 | 
						|
 | 
						|
        throw ORMException::invalidHydrationMode($hydrationMode);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets the proxy factory used by the EntityManager to create entity proxies.
 | 
						|
     *
 | 
						|
     * @return ProxyFactory
 | 
						|
     */
 | 
						|
    public function getProxyFactory()
 | 
						|
    {
 | 
						|
        return $this->proxyFactory;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Helper method to initialize a lazy loading proxy or persistent collection.
 | 
						|
     *
 | 
						|
     * This method is a no-op for other objects
 | 
						|
     *
 | 
						|
     * @param object $obj
 | 
						|
     */
 | 
						|
    public function initializeObject($obj)
 | 
						|
    {
 | 
						|
        $this->unitOfWork->initializeObject($obj);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Factory method to create EntityManager instances.
 | 
						|
     *
 | 
						|
     * @param mixed $conn An array with the connection parameters or an existing
 | 
						|
     *      Connection instance.
 | 
						|
     * @param Configuration $config The Configuration instance to use.
 | 
						|
     * @param EventManager $eventManager The EventManager instance to use.
 | 
						|
     * @return EntityManager The created EntityManager.
 | 
						|
     */
 | 
						|
    public static function create($conn, Configuration $config, EventManager $eventManager = null)
 | 
						|
    {
 | 
						|
        if ( ! $config->getMetadataDriverImpl()) {
 | 
						|
            throw ORMException::missingMappingDriverImpl();
 | 
						|
        }
 | 
						|
 | 
						|
        switch (true) {
 | 
						|
            case (is_array($conn)):
 | 
						|
                $conn = \Doctrine\DBAL\DriverManager::getConnection(
 | 
						|
                    $conn, $config, ($eventManager ?: new EventManager())
 | 
						|
                );
 | 
						|
                break;
 | 
						|
 | 
						|
            case ($conn instanceof Connection):
 | 
						|
                if ($eventManager !== null && $conn->getEventManager() !== $eventManager) {
 | 
						|
                     throw ORMException::mismatchedEventManager();
 | 
						|
                }
 | 
						|
                break;
 | 
						|
 | 
						|
            default:
 | 
						|
                throw new \InvalidArgumentException("Invalid argument: " . $conn);
 | 
						|
        }
 | 
						|
 | 
						|
        return new EntityManager($conn, $config, $conn->getEventManager());
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets the enabled filters.
 | 
						|
     *
 | 
						|
     * @return FilterCollection The active filter collection.
 | 
						|
     */
 | 
						|
    public function getFilters()
 | 
						|
    {
 | 
						|
        if (null === $this->filterCollection) {
 | 
						|
            $this->filterCollection = new FilterCollection($this);
 | 
						|
        }
 | 
						|
 | 
						|
        return $this->filterCollection;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Checks whether the state of the filter collection is clean.
 | 
						|
     *
 | 
						|
     * @return boolean True, if the filter collection is clean.
 | 
						|
     */
 | 
						|
    public function isFiltersStateClean()
 | 
						|
    {
 | 
						|
        return null === $this->filterCollection
 | 
						|
           || $this->filterCollection->isClean();
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Checks whether the Entity Manager has filters.
 | 
						|
     *
 | 
						|
     * @return True, if the EM has a filter collection.
 | 
						|
     */
 | 
						|
    public function hasFilters()
 | 
						|
    {
 | 
						|
        return null !== $this->filterCollection;
 | 
						|
    }
 | 
						|
}
 |