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<?php |
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declare(strict_types = 1); |
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namespace Innmind\Compose; |
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use Innmind\Compose\{ |
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Definition\Dependency, |
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Definition\Name, |
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Definition\Service, |
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Definition\Service\Argument, |
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Exception\ReferenceNotFound, |
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Exception\NameNotNamespaced, |
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Exception\CircularDependency, |
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Exception\LogicException |
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}; |
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use Innmind\Immutable\{ |
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Sequence, |
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MapInterface, |
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Map, |
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StreamInterface |
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}; |
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final class Dependencies |
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{ |
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private $dependencies; |
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public function __construct(Dependency ...$dependencies) |
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{ |
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190 |
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$this->dependencies = Sequence::of(...$dependencies)->reduce( |
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new Map('string', Dependency::class), |
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static function(Map $dependencies, Dependency $dependency): Map { |
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return $dependencies->put( |
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(string) $dependency->name(), |
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$dependency |
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); |
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} |
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); |
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$this->assertNoCircularDependency(); |
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} |
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public function feed(Name $name, Services $services): self |
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{ |
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$self = clone $this; |
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$self->dependencies = $self->dependencies->put( |
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(string) $name, |
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$self->dependencies->get((string) $name)->bind($services) |
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); |
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return $self; |
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} |
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public function bind(Services $services): Services |
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{ |
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return $this |
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->dependencies |
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->values() |
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->sort(static function(Dependency $a, Dependency $b): bool { |
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return $a->dependsOn($b); |
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}) |
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->reduce( |
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$services, |
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static function(Services $services, Dependency $dependency): Services { |
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return $services->feed($dependency->name()); |
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} |
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); |
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} |
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public function lazy(Name $name): Lazy |
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{ |
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try { |
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return $this |
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->get($name) |
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->lazy($name->withoutRoot()); |
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} catch (ReferenceNotFound $e) { |
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throw new ReferenceNotFound((string) $name, 0, $e); |
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} |
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} |
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public function build(Name $name): object |
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{ |
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return $this->lazy($name)->load(); |
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} |
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public function decorate( |
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Name $decorator, |
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Name $decorated, |
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Name $newName = null |
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): Service { |
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try { |
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return $this |
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->get($decorator) |
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->decorate($decorator->withoutRoot(), $decorated, $newName); |
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} catch (ReferenceNotFound $e) { |
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throw new ReferenceNotFound((string) $decorator, 0, $e); |
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} |
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} |
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/** |
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* @param StreamInterface<mixed> $arguments |
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* |
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* @return StreamInterface<mixed> |
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*/ |
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public function extract( |
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Name $name, |
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StreamInterface $arguments, |
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Argument $argument |
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): StreamInterface { |
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try { |
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return $this |
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->get($name) |
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->extract($name->withoutRoot(), $arguments, $argument); |
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} catch (ReferenceNotFound $e) { |
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throw new ReferenceNotFound((string) $name, 0, $e); |
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} |
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} |
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private function get(Name $name): Dependency |
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{ |
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try { |
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$root = $name->root(); |
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} catch (NameNotNamespaced $e) { |
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throw new ReferenceNotFound((string) $name); |
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} |
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if (!$this->dependencies->contains((string) $root)) { |
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throw new ReferenceNotFound((string) $name); |
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} |
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return $this->dependencies->get((string) $root); |
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} |
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/** |
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* Return the list of exposed services per dependency |
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* |
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* @return MapInterface<Name, MapInterface<Name, Constructor>> |
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*/ |
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public function exposed(): MapInterface |
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{ |
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return $this->dependencies->reduce( |
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new Map(Name::class, MapInterface::class), |
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static function(Map $exposed, string $name, Dependency $dependency): Map { |
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return $exposed->put( |
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$dependency->name(), |
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$dependency->exposed() |
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); |
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2 |
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} |
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); |
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} |
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150
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private function assertNoCircularDependency(): void |
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{ |
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190 |
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$this->dependencies->foreach(function(string $name, Dependency $dependency): void { |
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$this |
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31 |
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->dependencies |
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->remove($name) |
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->foreach(static function(string $name, Dependency $other) use ($dependency): void { |
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4 |
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if (!$dependency->dependsOn($other)) { |
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return; |
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} |
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161
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2 |
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if (!$other->dependsOn($dependency)) { |
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1 |
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return; |
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} |
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165
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1 |
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throw new CircularDependency(sprintf( |
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1 |
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'%s -> %s -> %s', |
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1 |
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$dependency->name(), |
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1 |
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$other->name(), |
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1 |
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$dependency->name() |
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)); |
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31 |
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}); |
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172
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190 |
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}); |
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173
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190 |
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} |
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} |
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Innmind /
Compose
