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<?php |
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/** |
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* This file is part of the predicates package. |
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* |
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* Copyright (c) dutekvejin |
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* |
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* For full copyright and license information, please refer to the LICENSE file, |
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* located at the package root folder. |
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*/ |
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namespace Dutek\Predicate; |
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use Dutek\Transformer\Transformer; |
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/** |
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* Predicate implementation that transforms the given value before invoking another Predicate. |
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* |
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* @package Dutek\Predicate |
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* @author Dušan Vejin <[email protected]> |
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*/ |
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final class TransformedPredicate implements PredicateDecorator |
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{ |
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protected $transformer; |
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protected $predicate; |
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/** |
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* TransformerPredicate constructor. |
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* |
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* @param Transformer $transformer The transformer to call. |
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* @param Predicate $predicate The predicate to call with the result of the transform. |
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*/ |
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public function __construct(Transformer $transformer, Predicate $predicate) |
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{ |
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$this->transformer = $transformer; |
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$this->predicate = $predicate; |
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} |
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/** |
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* Gets the transformer in use. |
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* |
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* @return Transformer The transformer. |
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*/ |
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public function getTransformer() : Transformer |
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{ |
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return $this->transformer; |
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} |
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/** |
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* Gets the predicate being decorated. |
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* |
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* @return array The predicate as the only element in an array. |
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*/ |
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public function getPredicates() : array |
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{ |
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return [$this->predicate]; |
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} |
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/** |
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* Evaluates the predicate returning the result of the decorated predicate once the input has been transformed |
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* |
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* @param mixed $value The input value which will be transformed. |
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* @return bool true if decorated predicate returns true. |
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*/ |
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public function __invoke($value) : bool |
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{ |
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return ($this->predicate)(($this->transformer)($value)); |
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} |
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} |
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dutekvejin /
predicates
