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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\Service\Constructor, |
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Definition\Service\Argument, |
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Definitions, |
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Exception\ServiceCannotDecorateMultipleServices |
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}; |
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use Innmind\Immutable\{ |
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StreamInterface, |
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Stream |
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}; |
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final class Service |
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{ |
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private $name; |
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private $construct; |
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private $arguments; |
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private $exposeName; |
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public function __construct( |
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Name $name, |
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Constructor $constructor, |
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Argument ...$arguments |
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) { |
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$this->name = $name; |
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$this->construct = $constructor; |
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$this->arguments = Stream::of(Argument::class, ...$arguments); |
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$decorates = $this->arguments->filter(static function(Argument $argument): bool { |
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return $argument instanceof Argument\Decorate; |
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}); |
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if ($decorates->size() > 1) { |
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throw new ServiceCannotDecorateMultipleServices((string) $name); |
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} |
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} |
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public function exposeAs(Name $name): self |
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{ |
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$self = clone $this; |
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$self->exposeName = $name; |
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return $self; |
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} |
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public function exposed(): bool |
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{ |
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return $this->exposeName instanceof Name; |
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} |
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public function exposedAs(): Name |
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{ |
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return $this->exposeName; |
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} |
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public function isExposedAs(Name $name): bool |
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{ |
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return (string) $this->exposeName === (string) $name; |
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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 constructor(): Constructor |
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{ |
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return $this->construct; |
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} |
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/** |
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* @return StreamInterface<Argument> |
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*/ |
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public function arguments(): StreamInterface |
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{ |
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return $this->arguments; |
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} |
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public function build(Definitions $definitions): object |
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{ |
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return ($this->construct)(...$this->arguments->reduce( |
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Stream::of('mixed'), |
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static function(Stream $arguments, Argument $argument) use ($definitions): Stream { |
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return $argument->resolve($arguments, $definitions); |
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} |
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)); |
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} |
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} |
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Innmind /
Compose
Loading history...
Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: