Basic HTML version of Foils prepared October 24 99

Foil 16 WebFlow Events (4)

From Full Description of WebFlow and Friends for Education and Science Portals NCSA Portal/Metadata Meeting -- October 22-23 99. by Geoffrey C. Fox, Tom Haupt
WebFlow supports both push and pull events
  • we need pull events because ORB implementation we are using (ORBacus - free for noncommercial use) does not allow an applet to be a CORBA server
The WebFlow event model can be upgraded to the proposed CORBA 3 model:
  • emitter (one-to-one) and publisher (one-to-many) interfaces
  • event consumer interface
Jini model with intermediate match maker should also be supported

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