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<?php
declare(strict_types=1);
namespace TimiTao\ValueObject\Beberlei\DateTime;
use DateTimeImmutable;
use Exception;
use Throwable;
use TimiTao\ValueObject\Core\DateTime\TimestampValueObject as TimestampValueObjectInterface;
abstract class TimestampValueObject implements TimestampValueObjectInterface
{
private $value;
/**
* @throws Exception if value is invalid
*/
public function __construct(DateTimeImmutable $value)
try {
$this->guard($value);
} catch (Throwable $e) {
throw $this->throwException($value, $e);
}
$this->value = $value;
public function getDateTime(): DateTimeImmutable
return $this->value;
public function equals(TimestampValueObjectInterface $other): bool
if (static::class !== get_class($other)) {
return false;
return $this->getValue() === $other->getValue();
public function getValue(): int
return $this->value->getTimestamp();
* @throws Throwable if value is invalid
abstract protected function guard(DateTimeImmutable $value): void;
abstract protected function throwException(DateTimeImmutable $value, Throwable $e): Exception;
timiTao /
ValueObject
