Book Image

Architectural Patterns

By : Anupama Murali, Harihara Subramanian J, Pethuru Raj Chelliah
Book Image

Architectural Patterns

By: Anupama Murali, Harihara Subramanian J, Pethuru Raj Chelliah

Overview of this book

Enterprise Architecture (EA) is typically an aggregate of the business, application, data, and infrastructure architectures of any forward-looking enterprise. Due to constant changes and rising complexities in the business and technology landscapes, producing sophisticated architectures is on the rise. Architectural patterns are gaining a lot of attention these days. The book is divided in three modules. You'll learn about the patterns associated with object-oriented, component-based, client-server, and cloud architectures. The second module covers Enterprise Application Integration (EAI) patterns and how they are architected using various tools and patterns. You will come across patterns for Service-Oriented Architecture (SOA), Event-Driven Architecture (EDA), Resource-Oriented Architecture (ROA), big data analytics architecture, and Microservices Architecture (MSA). The final module talks about advanced topics such as Docker containers, high performance, and reliable application architectures. The key takeaways include understanding what architectures are, why they're used, and how and where architecture, design, and integration patterns are being leveraged to build better and bigger systems.
Table of Contents (13 chapters)

Patterns to model the domain

This section will discuss few tactical patterns, and explain how they represent the policies and logic within the problem domain. They express elements of models in the code, the relationship between the objects and model rules, and bind the analysis details to the code implementation.

We will discuss the following patterns in details:

  • Entities
  • Value Objects
  • Domain Services
  • Modules
  • Aggregates
  • Factories
  • Repositories

The following diagram depicts various tactical patterns and their logical flow:

Entities

As stated in the introduction section, an entity is a mutable object. It can change its attributes without changing its identity. For example, a product is an entity, which is unique and won&apos...