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<?php
declare(strict_types=1);
namespace Stratadox\Deserializer\Condition;
use Stratadox\Specification\Contract\Specifies;
use Stratadox\Specification\Specifying;
/**
* Condition that accepts data with a specific discriminator key and value.
*
* Particularly useful when deserializing relational data into polymorphic
* object structures.
* @author Stratadox
*/
final class HaveTheDiscriminatorValue implements Specifies
{
use Specifying;
/** @var string */
private $key;
private $value;
private function __construct(string $key, string $value)
$this->key = $key;
$this->value = $value;
}
* Produces a condition that checks a discriminator key/value combination.
* @param string $key The discriminator key, for instance a column name.
* @param string $value The discriminator value to be triggered by.
* @return Specifies The discriminating condition.
public static function of(string $key, string $value): Specifies
return new self($key, $value);
/** @inheritdoc */
public function isSatisfiedBy($input): bool
return isset($input[$this->key])
&& (string) $input[$this->key] === $this->value;
Stratadox /
Deserializer
