Object connectivity through loosely coupled publish and subscribe events

An object-based event communications system supplies an event distribution object having an outgoing-from-publisher event interface and associated with unique identifiers defined for a publisher that is programmed to fire events by calling a method on the event distribution object's outgoing-fr...

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Bibliographische Detailangaben
Hauptverfasser: MCCRADY DONALD J, DUMITRU DONALD W, HINSON GERALD L, AL-GHOSEIN MOHSEN, SWARTZ STEPHEN T, POLLACK SETH B
Format: Patent
Sprache:eng
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Zusammenfassung:An object-based event communications system supplies an event distribution object having an outgoing-from-publisher event interface and associated with unique identifiers defined for a publisher that is programmed to fire events by calling a method on the event distribution object's outgoing-from-publisher event interface. The event communications system stores subscriptions of subscriber objects to methods of the outgoing-from-publisher event interface. On receiving a call from a publisher to its outgoing-from-publisher interface methods, the event distribution object multi-casts calls to counterpart methods of subscriber objects that have stored subscriptions to the respective outgoing-from-publisher interface methods.