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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\Argument, |
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Services, |
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Lazy, |
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Exception\ReferenceNotFound |
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}; |
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use Innmind\Immutable\{ |
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Set, |
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Map |
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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 $arguments; |
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public function __construct( |
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Name $name, |
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Services $services, |
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Argument ...$arguments |
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) { |
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$this->name = $name; |
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$this->services = $services; |
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$this->arguments = Set::of(Argument::class, ...$arguments); |
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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 $services): self |
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{ |
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$arguments = $this |
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->arguments |
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->reduce( |
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new Map('string', 'mixed'), |
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static function(Map $arguments, Argument $argument) use ($services): Map { |
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return $arguments->put( |
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(string) $argument->name(), |
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$argument->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 = $self->services->inject($arguments); |
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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) $name); |
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} |
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return new Lazy( |
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$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->arguments->reduce( |
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false, |
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function(bool $dependsOn, Argument $argument) use ($other): bool { |
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return $dependsOn || $argument->refersTo($other); |
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} |
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); |
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} |
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} |
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Innmind /
Compose
