vendor/doctrine/orm/lib/Doctrine/ORM/Proxy/ProxyFactory.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\Proxy;

use Doctrine\Common\Persistence\Mapping\ClassMetadata;
use Doctrine\Common\Proxy\AbstractProxyFactory;
use Doctrine\Common\Proxy\ProxyDefinition;
use Doctrine\Common\Util\ClassUtils;
use Doctrine\Common\Proxy\Proxy as BaseProxy;
use Doctrine\Common\Proxy\ProxyGenerator;
use Doctrine\ORM\ORMInvalidArgumentException;
use Doctrine\ORM\Persisters\BasicEntityPersister;
use Doctrine\ORM\EntityManager;
use Doctrine\ORM\EntityNotFoundException;

/**
 * This factory is used to create proxy objects for entities at runtime.
 *
 * @author Roman Borschel <roman@code-factory.org>
 * @author Giorgio Sironi <piccoloprincipeazzurro@gmail.com>
 * @author Marco Pivetta  <ocramius@gmail.com>
 * @since 2.0
 */
class ProxyFactory extends AbstractProxyFactory
{
    /**
     * @var \Doctrine\ORM\EntityManager The EntityManager this factory is bound to.
     */
    private $em;

    /**
     * @var \Doctrine\ORM\UnitOfWork The UnitOfWork this factory uses to retrieve persisters
     */
    private $uow;

    /**
     * @var string
     */
    private $proxyNs;

    /**
     * Initializes a new instance of the <tt>ProxyFactory</tt> class that is
     * connected to the given <tt>EntityManager</tt>.