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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\DependencyInjection\Compiler;
use Symfony\Component\DependencyInjection\Definition;
use Symfony\Component\DependencyInjection\Alias;
/**
* Represents a node in your service graph.
*
* Value is typically a definition, or an alias.
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class ServiceReferenceGraphNode
{
private $id;
private $inEdges = array();
private $outEdges = array();
private $value;
/**
* @param string $id The node identifier
* @param mixed $value The node value
*/
public function __construct($id, $value)
{
$this->id = $id;
$this->value = $value;
}
/**
* Adds an in edge to this node.
*
* @param ServiceReferenceGraphEdge $edge
*/
public function addInEdge(ServiceReferenceGraphEdge $edge)
{
$this->inEdges[] = $edge;
}
/**
* Adds an out edge to this node.
*
* @param ServiceReferenceGraphEdge $edge
*/
public function addOutEdge(ServiceReferenceGraphEdge $edge)
{
$this->outEdges[] = $edge;
}
/**
* Checks if the value of this node is an Alias.
*
* @return bool True if the value is an Alias instance
*/
public function isAlias()
{
return $this->value instanceof Alias;
}
/**
* Checks if the value of this node is a Definition.
*
* @return bool True if the value is a Definition instance
*/
public function isDefinition()
{
return $this->value instanceof Definition;
}
/**
* Returns the identifier.
*
* @return string
*/
public function getId()
{
return $this->id;
}
/**
* Returns the in edges.
*
* @return array The in ServiceReferenceGraphEdge array
*/
public function getInEdges()
{
return $this->inEdges;
}
/**
* Returns the out edges.
*
* @return array The out ServiceReferenceGraphEdge array
*/
public function getOutEdges()
{
return $this->outEdges;
}
/**
* Returns the value of this Node.
*
* @return mixed The value
*/
public function getValue()
{
return $this->value;
}
}