FactoryCommandLoader.php
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FactoryCommandLoader.php
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	<?php

	/*
	* This file is part of the Symfony package.
	*
	* (c) Fabien Potencier <fabien@symfony.com>
	*
	* 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 <maxime.steinhausser@gmail.com>
	*/
	class FactoryCommandLoader implements CommandLoaderInterface
	{
	/**
	* @param callable[] $factories Indexed by command names
	*/
	public function __construct(
	private array $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);
	}
	}