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<?php |
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declare(strict_types=1); |
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namespace Stratadox\Hydration\Mapping\Property\Scalar; |
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use Stratadox\Hydration\Mapping\Property\MissingTheKey; |
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use Stratadox\HydrationMapping\ExposesDataKey; |
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/** |
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* Maps the data from a single key to a scalar object property. |
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* |
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* @package Stratadox\Hydrate |
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* @author Stratadox |
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*/ |
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abstract class Scalar implements ExposesDataKey |
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{ |
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private $name; |
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private $key; |
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private function __construct(string $name, string $dataKey) |
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{ |
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$this->name = $name; |
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$this->key = $dataKey; |
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} |
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/** |
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* Create a new mapping for the called-upon scalar type object property. |
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* |
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* @param string $name The name of both the key and the property. |
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* @return static|self The concrete scalar mapping object. |
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*/ |
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public static function inProperty(string $name) : self |
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{ |
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return new static($name, $name); |
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} |
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/** |
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* Create a new mapping for the called-upon scalar type object property, |
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* using the data from a specific key. |
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* |
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* @param string $name The name of the property. |
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* @param string $key The array key to use. |
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* @return static|self |
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*/ |
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public static function inPropertyWithDifferentKey( |
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string $name, string $key |
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) : self |
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{ |
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return new static($name, $key); |
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} |
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public function name() : string |
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{ |
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return $this->name; |
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} |
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public function key() : string |
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{ |
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return $this->key; |
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} |
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/** |
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* Retrieve the data that is relevant for this mapping. |
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* |
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* @param array $data The input data. |
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* @return mixed The value for our key in the input array. |
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*/ |
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protected function my(array $data) |
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{ |
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if (!array_key_exists($this->key(), $data)) { |
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throw MissingTheKey::inTheInput($data, $this, $this->key()); |
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} |
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return $data[$this->key()]; |
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} |
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} |
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Stratadox /
HydrationMapping
