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  • Book Overview & Buying Software Architecture with C# 9 and .NET 5
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Software Architecture with C# 9 and .NET 5

Software Architecture with C# 9 and .NET 5 - Second Edition

By : Gabriel Baptista, Francesco Abbruzzese
4.3 (14)
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Software Architecture with C# 9 and .NET 5

Software Architecture with C# 9 and .NET 5

4.3 (14)
By: Gabriel Baptista, Francesco Abbruzzese
Buy this Book

Overview of this book

Software architecture is the practice of implementing structures and systems that streamline the software development process and improve the quality of an app. This fully revised and expanded second edition, featuring the latest features of .NET 5 and C# 9, enables you to acquire the key skills, knowledge, and best practices required to become an effective software architect. This second edition features additional explanation of the principles of Software architecture, including new chapters on Azure Service Fabric, Kubernetes, and Blazor. It also includes more discussion on security, microservices, and DevOps, including GitHub deployments for the software development cycle. You will begin by understanding how to transform user requirements into architectural needs and exploring the differences between functional and non-functional requirements. Next, you will explore how to carefully choose a cloud solution for your infrastructure, along with the factors that will help you manage your app in a cloud-based environment. Finally, you will discover software design patterns and various software approaches that will allow you to solve common problems faced during development. By the end of this book, you will be able to build and deliver highly scalable enterprise-ready apps that meet your organization’s business requirements.
Table of Contents (26 chapters)
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Preface
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Preface
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Who this book is for
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What this book covers
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To get the most out of this book
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Get in touch
1
Understanding the Importance of Software Architecture
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Understanding the Importance of Software Architecture
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What is software architecture?
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Software development process models
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Gathering the right information to design high-quality software
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Using design techniques as a helpful tool
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Common cases where the requirements gathering process impacted system results
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Case study – introducing World Wild Travel Club
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Summary
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Questions
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Further reading
Lock Free Chapter
2
Non-Functional Requirements
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Non-Functional Requirements
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Technical requirements
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Enabling scalability, availability, and resiliency with Azure and .NET 5
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Performance issues that need to be considered when programming in C#
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Usability – why inserting data takes too much time
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The fantastic world of interoperability with .NET Core
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Achieving security by design
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Book use case – understanding the main types of .NET Core projects
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Summary
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Questions
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Further reading
3
Documenting Requirements with Azure DevOps
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Documenting Requirements with Azure DevOps
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Technical requirements
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Introducing Azure DevOps
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Organizing your work using Azure DevOps
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Managing system requirements in Azure DevOps
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Use case – presenting use cases in Azure DevOps
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Summary
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Questions
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Further reading
4
Deciding the Best Cloud-Based Solution
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Deciding the Best Cloud-Based Solution
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Technical requirements
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Different software deployment models
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Why are hybrid applications so useful in many cases?
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Book use case – which is the best cloud solution?
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Summary
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Questions
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Further reading
5
Applying a Microservice Architecture to Your Enterprise Application
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Applying a Microservice Architecture to Your Enterprise Application
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Technical requirements
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What are microservices?
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When do microservices help?
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How does .NET deal with microservices?
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Which tools are needed to manage microservices?
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Summary
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Questions
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Further reading
6
Azure Service Fabric
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Azure Service Fabric
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Technical requirements
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Defining and configuring your Azure Service Fabric cluster
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Use case – Logging microservices
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Summary
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Questions
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Further reading
7
Azure Kubernetes Service
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Azure Kubernetes Service
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Technical requirements
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Kubernetes basics
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Interacting with Azure Kubernetes clusters
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Advanced Kubernetes concepts
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Summary
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Questions
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Further reading
8
Interacting with Data in C# – Entity Framework Core
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Interacting with Data in C# – Entity Framework Core
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Technical requirements
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Understanding ORM basics
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Configuring Entity Framework Core
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Entity Framework Core migrations
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Querying and updating data with Entity Framework Core
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Deploying your data layer
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Understanding Entity Framework Core advanced features
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Summary
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Questions
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Further reading
9
How to Choose Your Data Storage in the Cloud
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How to Choose Your Data Storage in the Cloud
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Technical requirements
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Understanding the different repositories for different purposes
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Choosing between structured or NoSQL storage
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Azure Cosmos DB – an opportunity to manage a multi-continental database
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Use case – storing data
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Summary
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Questions
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Further reading
10
Working with Azure Functions
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Working with Azure Functions
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Technical requirements
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Understanding the Azure Functions app
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Programming Azure functions using C#
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Maintaining Azure functions
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Use case – Implementing Azure Functions to send emails
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Summary
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Questions
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Further reading
11
Design Patterns and .NET 5 Implementation
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Design Patterns and .NET 5 Implementation
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Technical requirements
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Understanding design patterns and their purpose
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Understanding the available design patterns in .NET 5
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Summary
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Questions
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Further reading
12
Understanding the Different Domains in Software Solutions
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Understanding the Different Domains in Software Solutions
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Technical requirements
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What are software domains?
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Understanding domain-driven design
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Entities and value objects
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Using SOLID principles to map your domains
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Aggregates
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The repository and Unit of Work patterns
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DDD entities and Entity Framework Core
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Command Query Responsibility Segregation (CQRS) pattern
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Command handlers and domain events
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Event sourcing
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Use case – understanding the domains of the use case
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Summary
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Questions
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Further reading
13
Implementing Code Reusability in C# 9
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Implementing Code Reusability in C# 9
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Technical requirements
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Understanding the principles of code reusability
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Reusability in the development life cycle
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Using .NET 5 or .NET Standard for code reuse
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How does C# deal with code reuse?
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What if the code is not reusable?
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I have my libraries. How do I promote them?
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Use case – reusing code as a fast way to deliver good and safe software
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Summary
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Questions
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Further reading
14
Applying Service-Oriented Architectures with .NET Core
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Applying Service-Oriented Architectures with .NET Core
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Technical requirements
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Understanding the principles of the SOA approach
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SOAP web services
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REST web services
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How does .NET 5 deal with SOA?
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Use case – exposing WWTravelClub packages
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Summary
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Questions
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Further reading
15
Presenting ASP.NET Core MVC
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Presenting ASP.NET Core MVC
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Technical requirements
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Understanding the presentation layers of web applications
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Understanding the ASP.NET Core MVC structure
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What is new in the latest versions of ASP.NET Core?
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Understanding the connection between ASP.NET Core MVC and design principles
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Use case – implementing a web app in ASP.NET Core MVC
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Summary
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Questions
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Further reading
16
Blazor WebAssembly
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Blazor WebAssembly
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Technical requirements
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Blazor WebAssembly architecture
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Blazor pages and components
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Blazor forms and validation
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Blazor advanced features
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Third-party tools for Blazor WebAssembly
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Use case – implementing a simple application in Blazor WebAssembly
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Summary
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Questions
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Further reading
17
Best Practices in Coding C# 9
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Best Practices in Coding C# 9
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Technical requirements
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The more complex your code, the worse a programmer you are
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Using a version control system
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Writing safe code in C#
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.NET 5 tips and tricks for coding
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WWTravelClub – DOs and DON'Ts in writing code
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Summary
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Questions
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Further reading
18
Testing Your Code with Unit Test Cases and TDD
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Testing Your Code with Unit Test Cases and TDD
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Technical requirements
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Understanding unit and integration tests
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Understanding test-driven development (TDD)
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Defining C# test projects
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Use case – Automating unit tests in DevOps Azure
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Summary
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Questions
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Further reading
19
Using Tools to Write Better Code
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Using Tools to Write Better Code
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Technical requirements
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Identifying well-written code
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Understanding and applying tools that can evaluate C# code
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Applying extension tools to analyze code
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Checking the final code after analysis
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Use case – Evaluating C# code before publishing an application
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Summary
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Questions
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Further reading
20
Understanding DevOps Principles
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Understanding DevOps Principles
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Technical requirements
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Describing DevOps
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Understanding DevOps principles
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Understanding continuous delivery with Azure DevOps
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Defining continuous feedback and the related DevOps tools
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Understanding SaaS
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The WWTravelClub project approach
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Summary
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Questions
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Further reading
21
Challenges of Applying CI Scenarios
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Challenges of Applying CI Scenarios
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Technical requirements
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Understanding CI
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Continuous Integration and GitHub
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Understanding the risks and challenges when using CI
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Understanding the WWTravelClub project approach
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Summary
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Questions
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Further reading
22
Automation for Functional Tests
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Automation for Functional Tests
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Technical requirements
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Understanding the purpose of functional tests
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Using unit testing tools to automate functional tests in C#
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Use case – automating functional tests
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Summary
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Questions
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Further reading
23
Answers
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Chapter 1
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Chapter 2
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Chapter 3
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Chapter 4
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Chapter 5
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Chapter 6
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Chapter 7
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Chapter 8
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Chapter 9
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Chapter 10
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Chapter 11
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Chapter 12
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Chapter 13
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Chapter 14
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Chapter 15
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Chapter 16
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Chapter 17
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Chapter 18
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Chapter 19
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Chapter 20
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Chapter 21
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Chapter 22
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Another Book You May Enjoy
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Another Book You May Enjoy
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Index
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Index

Command Query Responsibility Segregation (CQRS) pattern

In its general form, the usage of this pattern is quite easy: use different structures to store and query data. Here, the requirements regarding how to store and update data differ from the requirements of queries. In the case of DDD, the unit of storage is the aggregate, so additions, deletions, and updates involve aggregates, while queries usually involve more or less complicated transformations of properties that have been taken from several aggregates.

Moreover, usually, we don't perform business operations on query results. We just use them to compute other data (averages, sums, and so on). Therefore, while updates require entities with full object-oriented semantics (methods, validation rules, encapsulated information, and so on), query results just need sets of property/value pairs, so Data Transfer Objects (DTOs) with only public properties and no methods work well.

In its common form, the pattern can be...

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