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Domain-Driven Design with Java - A Practitioner's Guide
book

Domain-Driven Design with Java - A Practitioner's Guide

by Premanand Chandrasekaran, Karthik Krishnan
August 2022
Intermediate to advanced
302 pages
6h 56m
English
Packt Publishing
Content preview from Domain-Driven Design with Java - A Practitioner's Guide

Chapter 7: Implementing Queries

The best view comes after the hardest climb.

– Anonymous

In the section Command Query Responsibility Segregation (CQRS) from Chapter 3, Understanding the Domain, we described how DDD and CQRS complement each other and how the query side (read models) can be used to create one or more representations of the underlying data. In this chapter, we will dive deeper into how we can construct read-optimized representations of the data by listening to domain events. We will also look at persistence options for these read models.

When working with query models, we construct models by listening to events as they happen. We will examine how to deal with the following situations:

  • New requirements evolving over a period of ...
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Publisher Resources

ISBN: 9781800560734