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

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

By : Premanand Chandrasekaran, Karthik Krishnan
4.6 (25)
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Domain-Driven Design with Java - A Practitioner's Guide

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

4.6 (25)
By: Premanand Chandrasekaran, Karthik Krishnan

Overview of this book

Domain-Driven Design (DDD) makes available a set of techniques and patterns that enable domain experts, architects, and developers to work together to decompose complex business problems into a set of well-factored, collaborating, and loosely coupled subsystems. This practical guide will help you as a developer and architect to put your knowledge to work in order to create elegant software designs that are enjoyable to work with and easy to reason about. You'll begin with an introduction to the concepts of domain-driven design and discover various ways to apply them in real-world scenarios. You'll also appreciate how DDD is extremely relevant when creating cloud native solutions that employ modern techniques such as event-driven microservices and fine-grained architectures. As you advance through the chapters, you'll get acquainted with core DDD’s strategic design concepts such as the ubiquitous language, context maps, bounded contexts, and tactical design elements like aggregates and domain models and events. You'll understand how to apply modern, lightweight modeling techniques such as business value canvas, Wardley mapping, domain storytelling, and event storming, while also learning how to test-drive the system to create solutions that exhibit high degrees of internal quality. By the end of this software design book, you'll be able to architect, design, and implement robust, resilient, and performant distributed software solutions.
Table of Contents (17 chapters)
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1
Part 1: Foundations
4
Part 2: Real-World DDD
12
Part 3: Evolution Patterns

Summary

In this chapter, we have explored a variety of techniques that help establish whether a particular problem is the right one to be solved. Specifically, we looked at the business value canvas and the lean canvas to clarify the business strategy for both start-ups and established enterprises. We then looked at impact maps that enable you to unambiguously correlate business goals to user impacts and the deliverables needed to create those impacts. Finally, we looked at Wardley maps to further drill down areas that are important to focus energies on, including establishing build versus buy decisions, the importance of business strategy in relation to competitors, and the relative risk involved when heading into uncharted waters.

In the next chapter, we will look at techniques and practices to drill down further and gain an understanding of the LC business so that we can start crafting domain model(s) to enable us to arrive at an appropriate solution.

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