99 lines
2.5 KiB
PHP
99 lines
2.5 KiB
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\Exception\InvalidArgumentException;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This is a directed graph of your services.
|
||
|
|
*
|
||
|
|
* This information can be used by your compiler passes instead of collecting
|
||
|
|
* it themselves which improves performance quite a lot.
|
||
|
|
*
|
||
|
|
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
|
||
|
|
*
|
||
|
|
* @final
|
||
|
|
*/
|
||
|
|
class ServiceReferenceGraph
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* @var ServiceReferenceGraphNode[]
|
||
|
|
*/
|
||
|
|
private $nodes = [];
|
||
|
|
|
||
|
|
public function hasNode(string $id): bool
|
||
|
|
{
|
||
|
|
return isset($this->nodes[$id]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets a node by identifier.
|
||
|
|
*
|
||
|
|
* @throws InvalidArgumentException if no node matches the supplied identifier
|
||
|
|
*/
|
||
|
|
public function getNode(string $id): ServiceReferenceGraphNode
|
||
|
|
{
|
||
|
|
if (!isset($this->nodes[$id])) {
|
||
|
|
throw new InvalidArgumentException(sprintf('There is no node with id "%s".', $id));
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->nodes[$id];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns all nodes.
|
||
|
|
*
|
||
|
|
* @return ServiceReferenceGraphNode[]
|
||
|
|
*/
|
||
|
|
public function getNodes(): array
|
||
|
|
{
|
||
|
|
return $this->nodes;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Clears all nodes.
|
||
|
|
*/
|
||
|
|
public function clear()
|
||
|
|
{
|
||
|
|
foreach ($this->nodes as $node) {
|
||
|
|
$node->clear();
|
||
|
|
}
|
||
|
|
$this->nodes = [];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Connects 2 nodes together in the Graph.
|
||
|
|
*/
|
||
|
|
public function connect(?string $sourceId, $sourceValue, ?string $destId, $destValue = null, $reference = null, bool $lazy = false, bool $weak = false, bool $byConstructor = false)
|
||
|
|
{
|
||
|
|
if (null === $sourceId || null === $destId) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$sourceNode = $this->createNode($sourceId, $sourceValue);
|
||
|
|
$destNode = $this->createNode($destId, $destValue);
|
||
|
|
$edge = new ServiceReferenceGraphEdge($sourceNode, $destNode, $reference, $lazy, $weak, $byConstructor);
|
||
|
|
|
||
|
|
$sourceNode->addOutEdge($edge);
|
||
|
|
$destNode->addInEdge($edge);
|
||
|
|
}
|
||
|
|
|
||
|
|
private function createNode(string $id, $value): ServiceReferenceGraphNode
|
||
|
|
{
|
||
|
|
if (isset($this->nodes[$id]) && $this->nodes[$id]->getValue() === $value) {
|
||
|
|
return $this->nodes[$id];
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->nodes[$id] = new ServiceReferenceGraphNode($id, $value);
|
||
|
|
}
|
||
|
|
}
|