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DomainIdTrait.php
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DomainIdTrait.php
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<?php
declare(strict_types=1);
namespace MsgPhp\Domain;
/**
* @author Roland Franssen <[email protected]>
*/
trait DomainIdTrait
{
/** @var string */
private $id;
public function __construct(?string $id = null)
{
$this->id = $id ?? '';
}
/**
* @internal
*/
public function __toString(): string
{
return $this->id;
}
/**
* @param mixed $value
*
* @return static
*/
public static function fromValue($value): DomainId
{
if (null === $value || \is_string($value)) {
return new static($value);
}
if (is_numeric($value)) {
return new static((string) $value);
}
throw new \LogicException('Raw ID value must be of type string or number, got "'.\gettype($value).'".');
}
public function isNil(): bool
{
return '' === $this->id;
}
/**
* @param mixed $other
*/
public function equals($other): bool
{
if (!$other instanceof self || static::class !== \get_class($other)) {
return false;
}
return $this->id === $other->id;
}
public function toString(): string
{
return $this->id;
}
}