Chain of Responsibility

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  • The Chain of Responsibility pattern uses a chain of objects to handle a request, which is typically an event. Objects in the chain forward the request along the chain until one of the objects handles the event. Processing stops after an event is handled.

CoR1.jpg

Purpose

  • Avoid coupling the sender of a request to its receiver by giving more than one object a chance to handle

the request. Chain the receiving objects and pass the request along the chain until an object handles it.

UML Diagram

CoR UML.jpg


External Links

  • External Links

--Djeyarat 15:49, 2 April 2007 (EDT)

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