question: private User createUserHelper ( String userName ) { User user = new User ( ) ; user . setUserName ( userName ) ; user . setId ( idGenerator . getAnotherId ( ) ) ; long time = System . currentTimeMillis ( ) ; user . setModTime ( time ) ; user . setCreateTime ( time ) ; db . persistUser ( user ) ; Entry root = createRoot ( user , null , Constants . tableofcontents , null , time , time , null ) ; user . setTableOfContentId ( root . getId ( ) ) ; return user ; }
target:  Helper method. Creates a user entry 