In CQRS/ES, can a command create another command?
In CQRS/ES, a command is sent from the client to the server and routed to the appropriate command handler. That command handler loads an aggregate from its repository, and calls some method on it, and saves it back to the repository. Events are generated. An event handler/saga/process manager can listen to these events in order to issue commands.
Exposing capabilities with a collection of enum values or with boolean functions
High-level explanation I have an object with some methods: public class Foo { public void Bar() { } public void Baz() { } } These methods cannot be executed unconditionally, there is some validation to be done. I’d also like to expose these conditions to a client (user) in some way. I could do this […]
Circuit Breaker + Retry – Repository or Application Layer
I currently have a Web App using ASP.NET Core 2.2, Domain Driven Design, Clean Architecture, and CQRS. I’m using MongoDB as persistence.
Is one to one mapping necessary between Write Applications and Read Applications
Introduction: We have a bunch of micro services (about 40) to serve our customers.