<?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\Persistence;
  
  /**
   * Interface for proxy classes.
   *
   * @author Roman Borschel <roman@code-factory.org>
   * @since 2.2
   */
  interface Proxy
  {
      /**
       * Marker for Proxy class names.
       *
       * @var string
       */
      const MARKER = '__CG__';
  
      /**
       * Length of the proxy marker
       *
       * @var int
       */
      const MARKER_LENGTH = 6;
  
      /**
       * Initialize this proxy if its not yet initialized.
       *
       * Acts as a no-op if already initialized.
       *
       * @return void
       */
      public function __load();
  
      /**
       * Is this proxy initialized or not.
       *
       * @return bool
       */
      public function __isInitialized();
  }