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/vendor/symfony/dependency-injection/Compiler/ -> ServiceReferenceGraphNode.php (source)

   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\Compiler;
  13  
  14  use Symfony\Component\DependencyInjection\Alias;
  15  use Symfony\Component\DependencyInjection\Definition;
  16  
  17  /**
  18   * Represents a node in your service graph.
  19   *
  20   * Value is typically a definition, or an alias.
  21   *
  22   * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  23   */
  24  class ServiceReferenceGraphNode
  25  {
  26      private $id;
  27      private $inEdges = [];
  28      private $outEdges = [];
  29      private $value;
  30  
  31      /**
  32       * @param string $id    The node identifier
  33       * @param mixed  $value The node value
  34       */
  35      public function __construct($id, $value)
  36      {
  37          $this->id = $id;
  38          $this->value = $value;
  39      }
  40  
  41      public function addInEdge(ServiceReferenceGraphEdge $edge)
  42      {
  43          $this->inEdges[] = $edge;
  44      }
  45  
  46      public function addOutEdge(ServiceReferenceGraphEdge $edge)
  47      {
  48          $this->outEdges[] = $edge;
  49      }
  50  
  51      /**
  52       * Checks if the value of this node is an Alias.
  53       *
  54       * @return bool True if the value is an Alias instance
  55       */
  56      public function isAlias()
  57      {
  58          return $this->value instanceof Alias;
  59      }
  60  
  61      /**
  62       * Checks if the value of this node is a Definition.
  63       *
  64       * @return bool True if the value is a Definition instance
  65       */
  66      public function isDefinition()
  67      {
  68          return $this->value instanceof Definition;
  69      }
  70  
  71      /**
  72       * Returns the identifier.
  73       *
  74       * @return string
  75       */
  76      public function getId()
  77      {
  78          return $this->id;
  79      }
  80  
  81      /**
  82       * Returns the in edges.
  83       *
  84       * @return ServiceReferenceGraphEdge[]
  85       */
  86      public function getInEdges()
  87      {
  88          return $this->inEdges;
  89      }
  90  
  91      /**
  92       * Returns the out edges.
  93       *
  94       * @return ServiceReferenceGraphEdge[]
  95       */
  96      public function getOutEdges()
  97      {
  98          return $this->outEdges;
  99      }
 100  
 101      /**
 102       * Returns the value of this Node.
 103       *
 104       * @return mixed The value
 105       */
 106      public function getValue()
 107      {
 108          return $this->value;
 109      }
 110  
 111      /**
 112       * Clears all edges.
 113       */
 114      public function clear()
 115      {
 116          $this->inEdges = $this->outEdges = [];
 117      }
 118  }


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