Basic HTML version of Foils prepared October 24 99

Foil 14 WebFlow Events (2)

From WebFlow and Friends for Education and Science Portals NCSA Portal/Metadata Meeting -- October 22-23 99. by Geoffrey C. Fox, Tom Haupt
Method m
Client
B
Register event to correspond to linkage of modules in visual WebFlow diagram: "Let firing event e by module A
result in invocation of method m of module B"
Context 2
Module A does not care who is expecting the event; method fireEvent invokes a method of its parent context
Method m is a public method: anyone can invoke it, including the Event Adapter of Context 1. No protection against misuse!
Dynamic
Interfaces
A
B

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