Basic HTML version of Foils prepared July 6 99

Foil 101 Event Sources

From Object Web Computing Technologies CPS714 Computational Science Information Track -- June 16 99. by H. Timucin Ozdemir


1 Event sources are defined with publishes or emitter keywords.
2 An emitter can be connected to at most one consumer.
3 A publishes can be connected to a number of customers (the upper limit can be enforced).
4 Container provides the necessary event channels for publish-kind events and consumer produces an event and hands it over to container to handle the broadcasting.
5 Emit-kind events do not require such broadcast service from the container instead the component directly executes the necessary method call on the consumer.

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