<?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\Bundle\FrameworkBundle\Command;

use Symfony\Component\Console\Input\InputInterface;

use Symfony\Component\Console\Output\OutputInterface;

/**

 * Warmup the cache.

 *

 * @author Fabien Potencier <fabien@symfony.com>

 */

class CacheWarmupCommand extends ContainerAwareCommand

{

    /**

     * @see Command

     */

    protected function configure()

    {

        $this

            ->setName('cache:warmup')

            ->setDescription('Warms up an empty cache')

            ->setHelp(<<<EOF

The <info>cache:warmup</info> command warms up the cache.

Before running this command, the cache must be empty.

EOF

            )

        ;

    }

    /**

     * {@inheritdoc}

     */

    protected function execute(InputInterface $input, OutputInterface $output)

    {

        $output->writeln('Warming up the cache');

        $warmer = $this->getContainer()->get('cache_warmer');

        $warmer->enableOptionalWarmers();

        $warmer->warmUp($this->getContainer()->getParameter('kernel.cache_dir'));

    }

}