Tagged: Event Sourcing

CQRS/ES #4 Events and Event Store

So far we learned about the whole concept of Command Query Responsibility Segregation (CQRS) and Event Sourcing. We also implemented domain objects which Aggregate consists of, and we expressed user’s intentions using Commands executed by Command Handlers. Today we’ll discover...

CQRS/ES #2 Domain objects

In the first part of our journey, we became familiar with CQRS and Event Sourcing. In this episode, we’re going to implement a few classes in our brand new system. Before we start let’s discuss a little bit about a business problem...

CQRS/ES #1 A bit of theory

Some time ago I announced series of posts related to the CQRS and Event Sourcing. Today we start our research journey! Generally speaking, why will we deal with this subject? So, I discovered that combo relatively late in my career...