<?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; /** * Constructor. * * @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 Boolean 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 Boolean 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; } }