iframe-proxy | Sunbelt Computer Software

36 lines (28 loc) · 844 Bytes

declare(strict_types=1);
namespace Infocyph\UID\Sequence;
final class InMemorySequenceProvider implements SequenceProviderInterface
     * @var array<string, array{timestamp:int, sequence:int}>
    private array $state = [];
    public function next(string $type, int $machineId, int $timestamp): int
        $key = $this->key($type, $machineId);
        $last = $this->state[$key] ?? null;
        $sequence = 1;
        if ($last !== null && $last['timestamp'] === $timestamp) {
            $sequence = $last['sequence'] + 1;
        $this->state[$key] = [
            'timestamp' => $timestamp,
            'sequence' => $sequence,
        return $sequence;
    private function key(string $type, int $machineId): string
        return $type . ':' . $machineId;

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