src/Sequence.php


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<?php

declare(strict_types=1);

namespace Zhineng\Snowflake;

final class Sequence extends Field
{
    use Makable;

    /**
     * The current value.
     */
    private int $value = 0;

    public function value(): int
    {
        return $this->next();
    }

    public function next(): int
    {
        $current = $this->value++;

        if ($current > $this->maxValue()) {
            throw new \OverflowException(sprintf(
                'Sequence "%s" exceeded its maximum value of %d.',
                $this->name,
                $this->maxValue()
            ));
        }

        return $current;
    }

    public function reset(): self
    {
        $this->value = 0;

        return $this;
    }
}