class ServiceReferenceGraph in Zircon Profile 8
Same name and namespace in other branches
- 8.0 vendor/symfony/dependency-injection/Compiler/ServiceReferenceGraph.php \Symfony\Component\DependencyInjection\Compiler\ServiceReferenceGraph
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>
Hierarchy
- class \Symfony\Component\DependencyInjection\Compiler\ServiceReferenceGraph
Expanded class hierarchy of ServiceReferenceGraph
File
- vendor/
symfony/ dependency-injection/ Compiler/ ServiceReferenceGraph.php, line 24
Namespace
Symfony\Component\DependencyInjection\CompilerView source
class ServiceReferenceGraph {
/**
* @var ServiceReferenceGraphNode[]
*/
private $nodes = array();
/**
* Checks if the graph has a specific node.
*
* @param string $id Id to check
*
* @return bool
*/
public function hasNode($id) {
return isset($this->nodes[$id]);
}
/**
* Gets a node by identifier.
*
* @param string $id The id to retrieve
*
* @return ServiceReferenceGraphNode The node matching the supplied identifier
*
* @throws InvalidArgumentException if no node matches the supplied identifier
*/
public function getNode($id) {
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[] An array of all ServiceReferenceGraphNode objects
*/
public function getNodes() {
return $this->nodes;
}
/**
* Clears all nodes.
*/
public function clear() {
$this->nodes = array();
}
/**
* Connects 2 nodes together in the Graph.
*
* @param string $sourceId
* @param string $sourceValue
* @param string $destId
* @param string $destValue
* @param string $reference
*/
public function connect($sourceId, $sourceValue, $destId, $destValue = null, $reference = null) {
$sourceNode = $this
->createNode($sourceId, $sourceValue);
$destNode = $this
->createNode($destId, $destValue);
$edge = new ServiceReferenceGraphEdge($sourceNode, $destNode, $reference);
$sourceNode
->addOutEdge($edge);
$destNode
->addInEdge($edge);
}
/**
* Creates a graph node.
*
* @param string $id
* @param string $value
*
* @return ServiceReferenceGraphNode
*/
private function createNode($id, $value) {
if (isset($this->nodes[$id]) && $this->nodes[$id]
->getValue() === $value) {
return $this->nodes[$id];
}
return $this->nodes[$id] = new ServiceReferenceGraphNode($id, $value);
}
}
Members
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
ServiceReferenceGraph:: |
private | property | ||
ServiceReferenceGraph:: |
public | function | Clears all nodes. | |
ServiceReferenceGraph:: |
public | function | Connects 2 nodes together in the Graph. | |
ServiceReferenceGraph:: |
private | function | Creates a graph node. | |
ServiceReferenceGraph:: |
public | function | Gets a node by identifier. | |
ServiceReferenceGraph:: |
public | function | Returns all nodes. | |
ServiceReferenceGraph:: |
public | function | Checks if the graph has a specific node. |