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<?php
declare(strict_types=1);
namespace Dflydev\FiniteStateMachine\Guard;
use Dflydev\FiniteStateMachine\Contracts\GuardCallback;
use Dflydev\FiniteStateMachine\Contracts\GuardCallbackFactory;
class GuardCallbackResolver
{
private array $guardCallbackFactories;
public function __construct(GuardCallbackFactory ...$guardCallbackFactories)
$this->guardCallbackFactories = $guardCallbackFactories + static::defaultGuardCallbackFactories();
}
public function register(GuardCallbackFactory $guardCallbackFactory): void
$this->guardCallbackFactories[] = $guardCallbackFactory;
/**
* @param mixed $do
*/
public function resolve($do): GuardCallback
foreach ($this->guardCallbackFactories as $guardCallbackFactory) {
if ($guardCallbackFactory->supports($do)) {
return $guardCallbackFactory->build($do);
throw new \RuntimeException('Could not resolve guard callback');
public static function defaultGuardCallbackFactories(): array
return [
new CallableGuardCallbackFactory(),
];
dflydev /
dflydev-finite-state-machine
