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