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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\DependencyInjection;
  13  
  14  /**
  15   * Represents a PHP type-hinted service reference.
  16   *
  17   * @author Nicolas Grekas <p@tchwork.com>
  18   */
  19  class TypedReference extends Reference
  20  {
  21      private $type;
  22      private $requiringClass;
  23  
  24      /**
  25       * @param string $id              The service identifier
  26       * @param string $type            The PHP type of the identified service
  27       * @param string $requiringClass  The class of the service that requires the referenced type
  28       * @param int    $invalidBehavior The behavior when the service does not exist
  29       */
  30      public function __construct($id, $type, $requiringClass = '', $invalidBehavior = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE)
  31      {
  32          parent::__construct($id, $invalidBehavior);
  33          $this->type = $type;
  34          $this->requiringClass = $requiringClass;
  35      }
  36  
  37      public function getType()
  38      {
  39          return $this->type;
  40      }
  41  
  42      public function getRequiringClass()
  43      {
  44          return $this->requiringClass;
  45      }
  46  
  47      public function canBeAutoregistered()
  48      {
  49          return $this->requiringClass && (false !== $i = strpos($this->type, '\\')) && 0 === strncasecmp($this->type, $this->requiringClass, 1 + $i);
  50      }
  51  }