To understand the event-based architecture pattern, it is very important to go through the definition of event sources and event handlers. In the following section, we will describe the role of event sources, event middleware, and event listeners, and see how we can work effectively with these foundational blocks to build an enterprise-wide integration solution powered by events.
Event sources and event handlers
Event sources
State change is closely aligned with events. Let's start this discussion and understand what happens behind the scenes when there is a change to an object or entity within our enterprise application or software.
When we change an object or identity through a create, retrieve, update, delete (CRUD...
