* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Console\CommandLoader; use Symfony\Component\Console\Command\Command; use Symfony\Component\Console\Exception\CommandNotFoundException; /** * A simple command loader using factories to instantiate commands lazily. * * @author Maxime Steinhausser */ class FactoryCommandLoader implements CommandLoaderInterface { private array $factories; /** * @param callable[] $factories Indexed by command names */ public function __construct(array $factories) { $this->factories = $factories; } public function has(string $name): bool { return isset($this->factories[$name]); } public function get(string $name): Command { if (!isset($this->factories[$name])) { throw new CommandNotFoundException(sprintf('Command "%s" does not exist.', $name)); } $factory = $this->factories[$name]; return $factory(); } public function getNames(): array { return array_keys($this->factories); } }