vendor/doctrine/orm/lib/Doctrine/ORM/EntityRepository.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 Doctrine\ORM\Query\ResultSetMappingBuilder;

use Doctrine\DBAL\LockMode;
use Doctrine\Common\Persistence\ObjectRepository;

use Doctrine\Common\Collections\Selectable;
use Doctrine\Common\Collections\Criteria;
use Doctrine\Common\Collections\ArrayCollection;

/**
 * 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;