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   1  <?php
   2  /**
   3  *
   4  * This file is part of the phpBB Forum Software package.
   5  *
   6  * @copyright (c) phpBB Limited <https://www.phpbb.com>
   7  * @license GNU General Public License, version 2 (GPL-2.0)
   8  *
   9  * For full copyright and license information, please see
  10  * the docs/CREDITS.txt file.
  11  *
  12  */
  13  
  14  namespace phpbb\db\extractor;
  15  
  16  /**
  17  * A factory which serves the suitable extractor instance for the given dbal
  18  */
  19  class factory
  20  {
  21      /**
  22       * @var \phpbb\db\driver\driver_interface
  23       */
  24      protected $db;
  25  
  26      /**
  27       * @var \Symfony\Component\DependencyInjection\ContainerInterface
  28       */
  29      protected $container;
  30  
  31      /**
  32      * Extractor factory constructor
  33      *
  34      * @param \phpbb\db\driver\driver_interface                            $db
  35      * @param \Symfony\Component\DependencyInjection\ContainerInterface    $container
  36      */
  37  	public function __construct(\phpbb\db\driver\driver_interface $db, \Symfony\Component\DependencyInjection\ContainerInterface $container)
  38      {
  39          $this->db            = $db;
  40          $this->container    = $container;
  41      }
  42  
  43      /**
  44      * DB extractor factory getter
  45      *
  46      * @return \phpbb\db\extractor\extractor_interface an appropriate instance of the database extractor for the used database driver
  47      * @throws \InvalidArgumentException when the database driver is unknown
  48      */
  49  	public function get()
  50      {
  51          // Return the appropriate DB extractor
  52          if ($this->db instanceof \phpbb\db\driver\mssql_base)
  53          {
  54              return $this->container->get('dbal.extractor.extractors.mssql_extractor');
  55          }
  56          else if ($this->db instanceof \phpbb\db\driver\mysql_base)
  57          {
  58              return $this->container->get('dbal.extractor.extractors.mysql_extractor');
  59          }
  60          else if ($this->db instanceof \phpbb\db\driver\oracle)
  61          {
  62              return $this->container->get('dbal.extractor.extractors.oracle_extractor');
  63          }
  64          else if ($this->db instanceof \phpbb\db\driver\postgres)
  65          {
  66              return $this->container->get('dbal.extractor.extractors.postgres_extractor');
  67          }
  68          else if ($this->db instanceof \phpbb\db\driver\sqlite3)
  69          {
  70              return $this->container->get('dbal.extractor.extractors.sqlite3_extractor');
  71          }
  72  
  73          throw new \InvalidArgumentException('Invalid database driver given');
  74      }
  75  }