vendor/doctrine/common/lib/Doctrine/Common/Proxy/AbstractProxyFactory.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\Common\Proxy;

use Doctrine\Common\Persistence\Mapping\ClassMetadataFactory;
use Doctrine\Common\Proxy\Exception\InvalidArgumentException;
use Doctrine\Common\Proxy\Exception\OutOfBoundsException;
use Doctrine\Common\Util\ClassUtils;
use Doctrine\Common\Persistence\Mapping\ClassMetadata;

/**
 * Abstract factory for proxy objects.
 *
 * @author Benjamin Eberlei <kontakt@beberlei.de>
 */
abstract class AbstractProxyFactory
{
    /**
     * Never autogenerate a proxy and rely that it was generated by some
     * process before deployment.
     *
     * @var integer
     */
    const AUTOGENERATE_NEVER = 0;

    /**
     * Always generates a new proxy in every request.
     *
     * This is only sane during development.
     *
     * @var integer
     */
    const AUTOGENERATE_ALWAYS = 1;

    /**
     * Autogenerate the proxy class when the proxy file does not exist.
     *
     * This strategy causes a file exists call whenever any proxy is used the
     * first time in a request.
     *
     * @var integer
     */
    const AUTOGENERATE_FILE_NOT_EXISTS = 2;