ServiceReferenceGraphNode.php

<?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\Alias;
use Symfony\Component\DependencyInjection\Definition;

/**
 * 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 array $inEdges = [];
    private array $outEdges = [];
    public function __construct(string $id, mixed $value) {
    }
    public function addInEdge(ServiceReferenceGraphEdge $edge) : void {
        $this->inEdges[] = $edge;
    }
    public function addOutEdge(ServiceReferenceGraphEdge $edge) : void {
        $this->outEdges[] = $edge;
    }
    
    /**
     * Checks if the value of this node is an Alias.
     */
    public function isAlias() : bool {
        return $this->value instanceof Alias;
    }
    
    /**
     * Checks if the value of this node is a Definition.
     */
    public function isDefinition() : bool {
        return $this->value instanceof Definition;
    }
    
    /**
     * Returns the identifier.
     */
    public function getId() : string {
        return $this->id;
    }
    
    /**
     * Returns the in edges.
     *
     * @return ServiceReferenceGraphEdge[]
     */
    public function getInEdges() : array {
        return $this->inEdges;
    }
    
    /**
     * Returns the out edges.
     *
     * @return ServiceReferenceGraphEdge[]
     */
    public function getOutEdges() : array {
        return $this->outEdges;
    }
    
    /**
     * Returns the value of this Node.
     */
    public function getValue() : mixed {
        return $this->value;
    }
    
    /**
     * Clears all edges.
     */
    public function clear() : void {
        $this->inEdges = $this->outEdges = [];
    }

}