trait AutowiredInstanceTrait
Defines a base trait for automatically wiring dependency arguments.
Hierarchy
- trait \Drupal\Core\DependencyInjection\AutowiredInstanceTrait
1 file declares its use of AutowiredInstanceTrait
- PluginBase.php in core/
lib/ Drupal/ Core/ Plugin/ PluginBase.php
File
-
core/
lib/ Drupal/ Core/ DependencyInjection/ AutowiredInstanceTrait.php, line 14
Namespace
Drupal\Core\DependencyInjectionView source
trait AutowiredInstanceTrait {
/**
* Instantiates a new instance of the implementing class using autowiring.
*
* @param \Symfony\Component\DependencyInjection\ContainerInterface $container
* The service container this instance should use.
* @param mixed ...$args
* Any predefined arguments to pass to the constructor.
*
* @return static
*/
public static function createInstanceAutowired(ContainerInterface $container, mixed ...$args) : static {
if (method_exists(static::class, '__construct')) {
$constructor = new \ReflectionMethod(static::class, '__construct');
foreach (array_slice($constructor->getParameters(), count($args)) as $parameter) {
$service = ltrim((string) $parameter->getType(), '?');
foreach ($parameter->getAttributes(Autowire::class) as $attribute) {
$service = (string) $attribute->newInstance()->value;
}
if (!$container->has($service)) {
if ($parameter->allowsNull()) {
$args[] = NULL;
continue;
}
throw new AutowiringFailedException($service, sprintf('Cannot autowire service "%s": argument "$%s" of method "%s::_construct()", you should configure its value explicitly.', $service, $parameter->getName(), static::class));
}
$args[] = $container->get($service);
}
}
return new static(...$args);
}
}
Members
Title Sort descending | Modifiers | Object type | Summary |
---|---|---|---|
AutowiredInstanceTrait::createInstanceAutowired | public static | function | Instantiates a new instance of the implementing class using autowiring. |
Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.