class.ilDBWrapperFactory.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */
 
class ilDBWrapperFactory
{
 
    public static function getWrapper($a_type)
    {
        if ($a_type == "") {
            if (isset($GLOBALS["DIC"])
            && $GLOBALS["DIC"]->offsetExists("ilClientIniFile")
            && $GLOBALS["DIC"]["ilClientIniFile"] instanceof \ilIniFile) {
                $a_type = $GLOBALS["DIC"]["ilClientIniFile"]->readVariable("db", "type");
            } else {
                $a_type = ilDBConstants::TYPE_INNODB;
            }
        }
 
        switch ($a_type) {
            case ilDBConstants::TYPE_POSTGRES:
            case ilDBConstants::TYPE_PDO_POSTGRE:
                $ilDB = new ilDBPdoPostgreSQL();
                break;
            case ilDBConstants::TYPE_PDO_MYSQL_INNODB:
            case ilDBConstants::TYPE_INNODB:
                $ilDB = new ilDBPdoMySQLInnoDB();
                break;
            case ilDBConstants::TYPE_PDO_MYSQL_MYISAM:
            case ilDBConstants::TYPE_MYSQL:
                $ilDB = new ilDBPdoMySQLMyISAM();
                break;
            case ilDBConstants::TYPE_GALERA:
                $ilDB = new ilDBPdoMySQLGalera();
                break;
            default:
                throw new ilDatabaseException("No viable database-type given: " . var_export($a_type, true));
        }
 
        return $ilDB;
    }
}