Four Event Driven Patterns
In this story I would like to explain my understanding of the Event Driven Architecture(EDA) and its patterns. I was assigned to introduce the CQRS pattern in my previous company. That is how I got to know about EDA. EDA comes with a lot of concepts like Events, Commands, Event sourcing, Aggreate, Evet Reaplay etc.. . I’ll briefly explain what EDA is and what common patterns are. Event Driven Architecture(EDA) EDA is producing, captureing , processing and persisting of Events . The concept of the EDA is not new. When we talk about EDA, we can identify two types of objects, those are Event and Command. We cannot do a proper implementation without knowing these two. Command Command is a request to a system to do something and sometimes expects a response for that. Command is very specific and it has a known destination. That means we know what is going to process and who is going to execute our command. Let’s take an Ordering...