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<?php |
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declare(strict_types = 1); |
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namespace Innmind\Compose\Definition; |
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use Innmind\Compose\{ |
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Definition\Dependency\Parameter, |
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Definition\Service\Argument, |
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Services, |
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Lazy, |
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Exception\ReferenceNotFound, |
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Exception\ArgumentNotExtractable, |
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Compilation\Dependency as CompiledDependency |
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}; |
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use Innmind\Immutable\{ |
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Set, |
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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 Dependency |
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{ |
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private $name; |
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private $services; |
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private $parameters; |
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public function __construct( |
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Name $name, |
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Services $services, |
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Parameter ...$parameters |
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) { |
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$this->name = $name; |
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$this->services = $services; |
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$this->parameters = Set::of(Parameter::class, ...$parameters); |
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} |
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public function name(): Name |
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{ |
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return $this->name; |
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} |
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public function bind(Services $services): self |
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{ |
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$parameters = $this |
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->parameters |
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->reduce( |
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new Map('string', 'mixed'), |
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static function(Map $parameters, Parameter $parameter) use ($services): Map { |
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return $parameters->put( |
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(string) $parameter->name(), |
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$parameter->resolve($services) |
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); |
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} |
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); |
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$self = clone $this; |
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$self->services = $self->services->inject($parameters); |
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return $self; |
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} |
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public function lazy(Name $name): Lazy |
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{ |
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if (!$this->has($name)) { |
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throw new ReferenceNotFound((string) $name); |
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} |
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return Lazy::service( |
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$name, |
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$this->services |
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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 has(Name $name): bool |
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{ |
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if (!$this->services->has($name)) { |
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return false; |
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} |
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$service = $this->services->get($name); |
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if (!$service->exposed() || !$service->isExposedAs($name)) { |
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return false; |
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} |
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return true; |
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} |
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public function dependsOn(self $other): bool |
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{ |
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return $this->parameters->reduce( |
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false, |
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function(bool $dependsOn, Parameter $parameter) use ($other): bool { |
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return $dependsOn || $parameter->refersTo($other); |
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} |
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); |
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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 $newName = null |
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): Service { |
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if (!$this->has($decorator)) { |
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throw new ReferenceNotFound((string) $decorator); |
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} |
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$service = $this->services->get($decorator); |
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return $service->tunnel($this->name, $decorated, $newName); |
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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 $argument |
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): StreamInterface { |
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if (!$this->has($name)) { |
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throw new ReferenceNotFound((string) $name); |
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} |
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$service = $this->services->get($name); |
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if ( |
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!$service->decorates() || |
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!$service->arguments()->contains($argument) |
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) { |
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throw new ArgumentNotExtractable; |
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} |
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return $argument->resolve( |
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$arguments, |
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$this->services |
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); |
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} |
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/** |
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* The list of exposed services name with their constructor |
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* |
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* @return MapInterface<Name, Constructor> |
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*/ |
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public function exposed(): MapInterface |
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{ |
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return $this->services->exposed(); |
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} |
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public function compile(): CompiledDependency |
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{ |
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return new CompiledDependency( |
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$this->name, |
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$this->services, |
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...$this->parameters |
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); |
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} |
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166
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} |
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167
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Innmind /
Compose
