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java-design-patterns/event-driven-architecture/index.md
cfarrugia cfb0fafc7d #113 Event Driven Architecture 
Adds various changes including :
- Fixes to Javadoc
- Test refactoring and improvements
- Refactored EventDispatcher to be immutable
- Removed DynamicRouter interface since it not needed
- Renamed Channel to a more appropriate name - Handler
2015-12-01 23:30:01 +01:00

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layout: pattern title: Event Driven Architecture folder: event-driven-architecture permalink: /patterns/event-driven-architecture

Intent: Send and notify state changes of your objects to other applications using an Event-driven Architecture.

alt text

Applicability: Use an Event-driven architecture when

  • you want to create a loosely coupled system
  • you want to build a more responsive system
  • you want a system that is easier to extend

Real world examples:

  • A Loan Application has been accepted/rejected (Commercial Business).
  • A new Rostering Schedule is ready for distribution to all crew (Airline Management System).
  • An Illegal Trade Pattern has been detected (Trading Fraud Detection System).
  • A simulated car has hits another simulated car (Commercial Racing Game).
  • A robot has reached its destination (Real Time Warehouse Management System).
  • A HTML message has been received (Web Server).
  • A key has been pressed (Text Editor).

Credits: