事件

Events

The second type of "Messages" that an Axon application is associated with are Event Messages (or simply Events). This section of the reference guide intends to cover in detail the capabilities that the Axon Framework provides to help facilitate Event Message Development.

A summary of the various sub-sections is given below.

Sub-Section	Purpose
Event Dispatchers / Event Handlers	Functional development for Event Messages using the Axon Framework
Event Processors / Event Bus & Event Store	Non-Functional development for Event Messages using the Axon Framework
Event Versioning	Details on Event versioning capabilities provided by the Axon Framework

This guide is complemented by a video tutorial which gives a practical demonstration of the concepts explained in this section. The tutorial is available at -> Axon Coding Tutorial - Event Messages