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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\db\extractor;
/**
* A factory which serves the suitable extractor instance for the given dbal
*/
class factory
{
    /**
     * @var \phpbb\db\driver\driver_interface
     */
    protected $db;
    /**
     * @var \Symfony\Component\DependencyInjection\ContainerInterface
     */
    protected $container;
    /**
    * Extractor factory constructor
    *
    * @param \phpbb\db\driver\driver_interface                            $db
    * @param \Symfony\Component\DependencyInjection\ContainerInterface    $container
    */
    public function __construct(\phpbb\db\driver\driver_interface $db, \Symfony\Component\DependencyInjection\ContainerInterface $container)
    {
        $this->db            = $db;
        $this->container    = $container;
    }
    /**
    * DB extractor factory getter
    *
    * @return \phpbb\db\extractor\extractor_interface an appropriate instance of the database extractor for the used database driver
    * @throws \InvalidArgumentException when the database driver is unknown
    */
    public function get()
    {
        // Return the appropriate DB extractor
        if ($this->db instanceof \phpbb\db\driver\mssql_base)
        {
            return $this->container->get('dbal.extractor.extractors.mssql_extractor');
        }
        else if ($this->db instanceof \phpbb\db\driver\mysql_base)
        {
            return $this->container->get('dbal.extractor.extractors.mysql_extractor');
        }
        else if ($this->db instanceof \phpbb\db\driver\oracle)
        {
            return $this->container->get('dbal.extractor.extractors.oracle_extractor');
        }
        else if ($this->db instanceof \phpbb\db\driver\postgres)
        {
            return $this->container->get('dbal.extractor.extractors.postgres_extractor');
        }
        else if ($this->db instanceof \phpbb\db\driver\sqlite3)
        {
            return $this->container->get('dbal.extractor.extractors.sqlite3_extractor');
        }
        throw new \InvalidArgumentException('Invalid database driver given');
    }
}