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Proactor pattern

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Proactor is a software design pattern for Event handling in which an long running activities are running in an asynchronous part. A Completion Handler is called after the asynchronous part has terminated.

Interaction

UML Sequence diagram of Proactor

External links

Proactor -An Object Behavioral Pattern for Demultiplexing and Dispatching Handlers for Asynchronous Events, Irfan Pyarali, Tim Harrison, Douglas C. Schmidt, Thomas D. Jordan, 1997 (pdf 143 kB)

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Software design patterns