public function setSourceDB(DB $db)
    {
        if ($db === null)
            throw new \InvalidArgumentException("Source database must not be null");
        $this->_source_db = $db;
        return $this;
    }
public function setSourceDB(DB $db)
    {
        if ($db === null)
            throw new \InvalidArgumentException("Source database must not be null");
        $this->_source_db = $db;
        return $this;
    }
public function setSourceDB ( DB $ db ) { if ( $ db === null ) throw new \ InvalidArgumentException ( "Source database must not be null" ) ; $ this -> _source_db = $ db ; return $ this ; }
Set the database this object came from

@param Wedeto\DB\DB $db The database connection
@return Wedeto\DB\DAO Provides fluent interface
Set the database this object came from