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   1  <?php
   2  /*
   3   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   4   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   5   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   6   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   7   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   8   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   9   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  10   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  11   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  12   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  13   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  14   *
  15   * This software consists of voluntary contributions made by many individuals
  16   * and is licensed under the MIT license.
  17   */
  18  
  19  namespace ProxyManager\ProxyGenerator\LazyLoadingGhost\MethodGenerator;
  20  
  21  use ProxyManager\Generator\MagicMethodGenerator;
  22  use ReflectionClass;
  23  use Zend\Code\Generator\MethodGenerator;
  24  use Zend\Code\Generator\PropertyGenerator;
  25  
  26  /**
  27   * Magic `__sleep` for lazy loading ghost objects
  28   *
  29   * @author Marco Pivetta <ocramius@gmail.com>
  30   * @license MIT
  31   */
  32  class MagicSleep extends MagicMethodGenerator
  33  {
  34      /**
  35       * Constructor
  36       */
  37      public function __construct(
  38          ReflectionClass $originalClass,
  39          PropertyGenerator $initializerProperty,
  40          MethodGenerator $callInitializer
  41      ) {
  42          parent::__construct($originalClass, '__sleep');
  43  
  44          $this->setBody(
  45              '$this->' . $initializerProperty->getName() . ' && $this->' . $callInitializer->getName()
  46              . '(\'__sleep\', array());' . "\n\n"
  47              . ($originalClass->hasMethod('__sleep') ? 'return parent::__sleep();' : 'return array_keys((array) $this);')
  48          );
  49      }
  50  }