In Domain Driven Design a single pattern is drawing a lot of attention to itself - Domain Events and Event Queues.

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Domain Events models non-technical events as their own entity and allow code that needs to react to those event to subscribe to such events. A kind of Pub/Sub, Observer pattern to decouple code.

I'm a strong believer in applying Enterprise Pattern to the Apex space especially if they are adapted to the special characteristics of the Force.com platform. I see a great use case in using libraries like the awesome FinancialForce Apex Common.

So my questions to the expert out there are:

  1. Does it make sense to port something like this to the Salesforce.com world?
  2. Have you done it and with which experience?
  3. How would one implement the Event queue? Using Async Queuable jobs? Streaming API?


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