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  * Reference represents a service reference.

    16  *

    17  * @author Fabien Potencier <fabien@symfony.com>

    18  *

    19  * @api

    20  */

    21 class Reference

    22 {

    23     private $id;

    24     private $invalidBehavior;

    25     private $strict;

    26 

    27     /**

    28      * Constructor.

    29      *

    30      * @param string  $id              The service identifier

    31      * @param int     $invalidBehavior The behavior when the service does not exist

    32      * @param Boolean $strict          Sets how this reference is validated

    33      *

    34      * @see Container

    35      */

    36     public function __construct($id, $invalidBehavior = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE, $strict = true)

    37     {

    38         $this->id = $id;

    39         $this->invalidBehavior = $invalidBehavior;

    40         $this->strict = $strict;

    41     }

    42 

    43     /**

    44      * __toString.

    45      *

    46      * @return string The service identifier

    47      */

    48     public function __toString()

    49     {

    50         return (string) $this->id;

    51     }

    52 

    53     /**

    54      * Returns the behavior to be used when the service does not exist.

    55      *

    56      * @return int

    57      */

    58     public function getInvalidBehavior()

    59     {

    60         return $this->invalidBehavior;

    61     }

    62 

    63     /**

    64      * Returns true when this Reference is strict

    65      *

    66      * @return Boolean

    67      */

    68     public function isStrict()

    69     {

    70         return $this->strict;

    71     }

    72 }