vendor/doctrine/orm/lib/Doctrine/ORM/EntityManager.php

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<?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 Exception;
use Doctrine\Common\EventManager;
use Doctrine\Common\Persistence\ObjectManager;
use Doctrine\DBAL\Connection;
use Doctrine\DBAL\LockMode;
use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\ORM\Mapping\ClassMetadataFactory;
use Doctrine\ORM\Query\ResultSetMapping;
use Doctrine\ORM\Proxy\ProxyFactory;
use Doctrine\ORM\Query\FilterCollection;
use Doctrine\Common\Util\ClassUtils;

/**
 * The EntityManager is the central access point to ORM functionality.
 *
 * It is a facade to all different ORM subsystems such as UnitOfWork,
 * Query Language and Repository API. Instantiation is done through
 * the static create() method. The quickest way to obtain a fully
 * configured EntityManager is:
 *
 *     use Doctrine\ORM\Tools\Setup;
 *     use Doctrine\ORM\EntityManager;
 *
 *     $paths = array('/path/to/entity/mapping/files');
 *
 *     $config = Setup::createAnnotationMetadataConfiguration($paths);
 *     $dbParams = array('driver' => 'pdo_sqlite', 'memory' => true);
 *     $entityManager = EntityManager::create($dbParams, $config);
 *
 * For more information see
 * {@link http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/configuration.html}
 *
 * You should never attempt to inherit from the EntityManager: Inheritance
 * is not a valid extension point for the EntityManager. Instead you
 * should take a look at the {@see \Doctrine\ORM\Decorator\EntityManagerDecorator}
 * and wrap your entity manager in a decorator.
 *
 * @since   2.0
 * @author  Benjamin Eberlei <kontakt@beberlei.de>