公开(公告)号：CA2358131A1

公开(公告)日：2002-04-06

申请号：CA2358131

申请日：2001-10-02

Applicant: ABB RESEARCH LTD

Inventor： AUF DER MAUR DOMINIK ,  O'REILLY CHERYL ,  FABRI ANDREAS ,  HOLLE JORG

IPC: G06F9/445 ,  G06F9/44 ,  G06F9/40

Abstract: In the inventive method for dynamic class loading, a first computer progr am unit is remotely invokable by a second program unit, and the first program unit is able to return a software object to the second program unit after being remotely invoked. For the case that a class of the returned object is not known to the second. program unit, the inventive method comprises the steps of a) a publisher of Java Message System publishing a class file containing a class description of the returned object, and b) the second program unit acting as a subscriber of the Java Message System and receiving the class file. This makes it possible that the second program unit receives the class fi le without having to know from where the class file originates. Furthermore, since the method uses the Java Message System, no Internet protocol (IP) addresses and internet communication means are required for communicating with the second program unit.