hiqdev\php\billing\product\invoice\RepresentationUniquenessGuard

Complexity

Total Complexity

3

Size/Duplication

Total Lines	20
Duplicated Lines	0 %

Importance

Changes	2
Bugs	1	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	generateKey()	0	5	1
A	ensureUnique()	0	9	2

<?php declare(strict_types=1);

namespace hiqdev\php\billing\product\invoice;

class RepresentationUniquenessGuard
{
    private static array $keys = [];

    public function ensureUnique(RepresentationInterface $representation): void
    {
        $key = $this->generateKey($representation);

        if (isset(self::$keys[$key])) {
            throw new DuplicateRepresentationException("Duplicate '$key' representation");
        }

        self::$keys[$key] = true;
    }

    private function generateKey(RepresentationInterface $representation): string
    {
        $reflect = new \ReflectionClass($representation);

        return $reflect->getShortName() . ':' . $representation->getType()->getName();
    }
}