Basic HTML version of Foils prepared July 6 99

Foil 100 Event Sinks

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


1 Component description specifies the event types that the component can consume via consumes keyword
2 The container is responsible for providing event service or notification service and encapsulates those events in Any type.
3 Event model is based on push model and components do not know the source of the event unless it has been designed by the component developer.
4 push_event() method is defined in EventConsumerBase interface.
5 A type specific event consumer interfaces are derived from EventConsumerBase interface with push_XX() methods exposing the specified event type.
6 consumes keyword produces: get_consumer_XX() and push() operations.

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