class.ilDBWrapperFactory.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */


include_once ("./Services/Database/classes/class.ilDB.php");

class ilDBWrapperFactory
{
        static function getWrapper($a_type, $a_inactive_mysqli = null)
        {
                global $ilClientIniFile;
                
                if ($a_type == "" && is_object($ilClientIniFile))
                {
                        $a_type = $ilClientIniFile->readVariable("db","type");
                }
                if ($a_type == "")
                {
                        $a_type = "mysql";
                }
                
                switch ($a_type)
                {
                        case "mysql":
                                include_once("./Services/Database/classes/class.ilDBMySQL.php");
                                $ilDB = new ilDBMySQL();                
                                
                                if($a_inactive_mysqli === null && 
                                        is_object($ilClientIniFile))
                                {                                       
                                        $a_inactive_mysqli = $ilClientIniFile->readVariable("db","inactive_mysqli");
                                }
                                
                                // default: use mysqli driver if not prevented by ini setting
                                if(!(bool)$a_inactive_mysqli)
                                {
                                        $ilDB->setSubType("mysqli");
                                }
                                
                                break;

                        case "innodb":
                                include_once("./Services/Database/classes/class.ilDBInnoDB.php");
                                $ilDB = new ilDBInnoDB();               
                                
                                if($a_inactive_mysqli === null && 
                                        is_object($ilClientIniFile))
                                {                                       
                                        $a_inactive_mysqli = $ilClientIniFile->readVariable("db","inactive_mysqli");
                                }
                                
                                // default: use mysqli driver if not prevented by ini setting
                                if(!(bool)$a_inactive_mysqli)
                                {
                                        $ilDB->setSubType("mysqli");
                                }
                                
                                break;

                        case "postgres":
                                include_once("./Services/Database/classes/class.ilDBPostgreSQL.php");
                                $ilDB = new ilDBPostgreSQL();
                                break;

                        case "oracle":
                                include_once("./Services/Database/classes/class.ilDBOracle.php");
                                $ilDB = new ilDBOracle();
                                break;
                }
                
                return $ilDB;
        }
}