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<?php
/**
* This file is part of the ramsey/uuid library
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
* @license http://opensource.org/licenses/MIT MIT
*/
declare(strict_types=1);
namespace Ramsey\Uuid\Rfc4122;
use Ramsey\Uuid\Uuid;
/**
* Provides common functionality for handling the version, as defined by RFC 4122
*
* @psalm-immutable
*/
trait VersionTrait
{
/**
* Returns the version
*/
abstract public function getVersion(): ?int;
/**
* Returns true if these fields represent a max UUID
*/
abstract public function isMax(): bool;
/**
* Returns true if these fields represent a nil UUID
*/
abstract public function isNil(): bool;
/**
* Returns true if the version matches one of those defined by RFC 4122
*
* @return bool True if the UUID version is valid, false otherwise
*/
private function isCorrectVersion(): bool
{
if ($this->isNil() || $this->isMax()) {
return true;
}
return match ($this->getVersion()) {
Uuid::UUID_TYPE_TIME, Uuid::UUID_TYPE_DCE_SECURITY,
Uuid::UUID_TYPE_HASH_MD5, Uuid::UUID_TYPE_RANDOM,
Uuid::UUID_TYPE_HASH_SHA1, Uuid::UUID_TYPE_REORDERED_TIME,
Uuid::UUID_TYPE_UNIX_TIME => true,
default => false,
};
}
}
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