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 /**

    15  * Represents an edge in your service graph.

    16  *

    17  * Value is typically a reference.

    18  *

    19  * @author Johannes M. Schmitt <schmittjoh@gmail.com>

    20  */

    21 class ServiceReferenceGraphEdge

    22 {

    23     private $sourceNode;

    24     private $destNode;

    25     private $value;

    26 

    27     /**

    28      * Constructor.

    29      *

    30      * @param ServiceReferenceGraphNode $sourceNode

    31      * @param ServiceReferenceGraphNode $destNode

    32      * @param string $value

    33      */

    34     public function __construct(ServiceReferenceGraphNode $sourceNode, ServiceReferenceGraphNode $destNode, $value = null)

    35     {

    36         $this->sourceNode = $sourceNode;

    37         $this->destNode = $destNode;

    38         $this->value = $value;

    39     }

    40 

    41     /**

    42      * Returns the value of the edge

    43      *

    44      * @return ServiceReferenceGraphNode

    45      */

    46     public function getValue()

    47     {

    48         return $this->value;

    49     }

    50 

    51     /**

    52      * Returns the source node

    53      *

    54      * @return ServiceReferenceGraphNode

    55      */

    56     public function getSourceNode()

    57     {

    58         return $this->sourceNode;

    59     }

    60 

    61     /**

    62      * Returns the destination node

    63      *

    64      * @return ServiceReferenceGraphNode

    65      */

    66     public function getDestNode()

    67     {

    68         return $this->destNode;

    69     }

    70 }