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<?php
namespace Werkspot\MessageBus\MessageQueue;
use Werkspot\MessageBus\Message\InvalidPriorityException;
final class Priority
{
const LOWEST = 1;
const LOW = 3;
const NORMAL = 5;
const HIGH = 7;
const URGENT = 9;
/**
* @var int
*/
private $value;
public function __construct(int $priority)
if (!$this->isValid($priority)) {
throw new InvalidPriorityException("Invalid priority: {$priority}.");
}
$this->value = $priority;
public function toInt(): int
return $this->value;
private function isValid(int $priority): bool
return self::LOWEST <= $priority && $priority <= self::URGENT;
Werkspot /
message-bus
