Comments (3)
The implementation is based on RxJS streams. publish
method is intended to be loosely coupled from subscribers and doesn't track whether every EventHandler
failed or not.
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@kamilmysliwiec for systems where consistency is really important, it doesn't make sense not to have the ability to know whether or not the message has been received.
publish method is intended to be loosely coupled from subscribers
It it returns a Promise
or a way to acknowledge the message has been successfully dispatched (i.e. actually stored in a message bus or, in the example of a synchronous event listener, actually handled) does not couple anything whatsoever, it just allows delivery guarantees.
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@sroze please, note that this library is just a lightweight implementation based on RxJS. Systems vary by requirements and hence, for more sophisticated scenarios, this library should be forked and tailored to the technical expectations of the project (if needed). CQRS and event-based systems is a huge topic and it's pretty much impossible for us to cover every single use-case and provide all possibly useful functionalities out-of-the-box.
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Related Issues (20)
- TypeError: You provided 'undefined' where a stream was expected HOT 2
- Middleware chain for command and querybud HOT 2
- Saga events - request context HOT 1
- documentation request HOT 1
- problems constructing instance with Mikro ORM HOT 1
- Feat: Register Commands, Queries & Events programatically HOT 1
- Multiple execution of events based on how many times module is imported HOT 1
- Adjust EventsHandler typing to accept the type of class extending IEvent
- Double events when using microservice HOT 2
- Sagas stop working in case of exceptions HOT 2
- Command handler becomes unresponsive HOT 4
- Event Handler fails to Trigger After Error Occurs HOT 1
- Use a decorator to automatically merge event publisher into AggregateRoot HOT 1
- Http Exceptions thrown in certain situations cause an app crash. HOT 1
- App crashes if event handler triggers a command that throws HOT 1
- CommandHandleException with Command Name not command uuid HOT 2
- Commit method throws an error when trying to publish domain events HOT 1
- Patch update reflect-metadata HOT 1
- Distributed Systems: Sagas & Location Transparency HOT 1
- Cannot read properties of undefined (reading 'id') - possible breaking change for 8.0.1 HOT 5
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