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<?php |
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declare(strict_types = 1); |
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namespace Innmind\Reflection\InjectionStrategy; |
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use Innmind\Reflection\{ |
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InjectionStrategy, |
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Exception\InvalidArgumentException, |
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Exception\PropertyCannotBeInjected, |
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}; |
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use Innmind\Immutable\{ |
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Stream, |
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Map, |
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}; |
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final class DelegationStrategy implements InjectionStrategy |
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{ |
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private $strategies; |
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private $cache; |
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public function __construct(InjectionStrategy ...$strategies) |
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{ |
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$this->strategies = Stream::of(InjectionStrategy::class, ...$strategies); |
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$this->cache = new Map('string', InjectionStrategy::class); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function supports(object $object, string $property, $value): bool |
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{ |
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return $this |
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->strategies |
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->reduce( |
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false, |
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function(bool $supports, InjectionStrategy $strategy) use ($object, $property, $value): bool { |
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return $supports || $strategy->supports($object, $property, $value); |
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} |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function inject(object $object, string $property, $value): object |
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{ |
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$key = $this->generateKey($object, $property); |
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if ($this->cache->contains($key)) { |
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return $this |
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->cache |
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->get($key) |
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->inject($object, $property, $value); |
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} |
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$strategy = $this->strategies->reduce( |
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null, |
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function(?InjectionStrategy $target, InjectionStrategy $strategy) use ($object, $property, $value): ?InjectionStrategy { |
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return $target ?? ($strategy->supports($object, $property, $value) ? $strategy : null); |
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} |
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); |
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if (!$strategy instanceof InjectionStrategy) { |
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throw new PropertyCannotBeInjected($property); |
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} |
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$this->cache = $this->cache->put($key, $strategy); |
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return $strategy->inject($object, $property, $value); |
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} |
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private function generateKey(object $object, string $property): string |
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{ |
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return get_class($object).'::'.$property; |
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} |
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} |
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Innmind /
Reflection
