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<?php declare(strict_types=1);
namespace hiqdev\php\billing\product\trait;
use hiqdev\php\billing\product\Exception\LockedException;
trait HasLock
{
private bool $locked = false;
public function lock(): void
// Lock the state to prevent further modifications
$this->locked = true;
$this->afterLock();
}
protected function ensureNotLocked(): void
if ($this->isLocked()) {
throw new LockedException('Modifications are not allowed after the class has been locked.');
protected function isLocked(): bool
return $this->locked;
protected function afterLock(): void
// Hook
/**
* @param HasLockInterface[] $items
* @return void
*/
protected function lockItems(array $items): void
foreach ($items as $item) {
$item->lock();
hiqdev /
php-billing
