symfony/src/Symfony/Framework/ProfilerBundle/DataCollector/DataCollector.php

<?php

namespace Symfony\Framework\ProfilerBundle\DataCollector;

use Symfony\Components\DependencyInjection\ContainerInterface;

/*
 * This file is part of the Symfony framework.
 *
 * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

/**
 * DataCollector.
 *
 * @package    Symfony
 * @subpackage Framework_ProfilerBundle
 * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
 */
abstract class DataCollector implements DataCollectorInterface
{
    protected $manager;
    protected $container;
    protected $data;

    public function __construct(ContainerInterface $container)
    {
        $this->container = $container;
    }

    public function getData()
    {
        if (null === $this->data) {
            $this->data = $this->collect();
        }

        return $this->data;
    }

    abstract protected function collect();

    public function setCollectorManager(DataCollectorManager $manager)
    {
        $this->manager = $manager;
    }
}