Queries

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

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

Sub-Section

Purpose

Query Processing

Short introduction to the Query Processing capabilities provided by the Axon Framework

Query Dispatchers / Query Handlers

Functional Development concerns for Query Messages using the Axon Framework

Implementations

Non-Functional Development concerns for Query Messages using the Axon Framework

Configuration

Configuration concerns for Query Messages using 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 - Query Messages