Advertisement
Поиск  
Always will be ready notify the world about expectations as easy as possible: job change page
Apr 24, 2022

MediatR with .NET 6.0

Автор:
HungryWolf
Источник:
Просмотров:
1563

What is MediatR? Why do we need it? And How to use it?

Mediator Pattern - The mediator pattern ensures that objects do not interact directly instead of through a mediator. It reduces coupling between objects which makes it easy to maintain the code. Mediator pattern unified the service interfaces around a common design, one request in, one response out.

MediatR is a simple, unambitious mediator implementation in .NET.

Let’s now dive deeper into the working of a simple web API with MediatR. Complete code for the same can be found here.

1. Create a new web API project.

OpenAPI support makes it easy to test the API.

2. Create a folder with these three classes.


Solution Hierarchy

2.1 ApiRequestModel: This class represents a request for API.


ApiRequestModel

IRequest<> It represents a request with a response.

2.2 ApiResponseModel : This class represents a response of API.


ApiResponseModel

2.3 ApiHandler: And this class keeps the logical part.


ApiResponseModel

IRequesthandler<> binds request and response with handler class. The logic of API is kept in the Handle method.

3. Now let’s check the controller. I wrote a base controller that would be inherited by other controllers.


ApiControllerBase

ISender is responsible for communication between different mediator-linked objects. It sends a request through a mediator pipeline to be handled by a single handler.

In this code, HomeController is inheriting the base controller. ApiController communicates with ApiHandler based on ApiRequestModel and ApiResponseModel pair.


ApiController

You can test this API using swagger (OpenAPI).

From the above example, you can see a separation of request, response, logic, and communication using MediatR. And if you want to move to CQRS (Command and Query Responsibility Segregation) pattern, the mediator makes the transition seamless.

Похожее
Jul 7, 2021
Author: Changhui Xu
C# has a feature, String Interpolation, to format strings in a flexible and readable way. The following example demonstrates the way how we usually output a string when we have data beforehand then pass data to the template string.var name...
Jun 5, 2023
Author: Juan Alberto España Garcia
In this section, we’ll explore the world of unit testing in C# and .NET, learn what unit testing is, why it’s important, and the landscape of testing frameworks and tools available to developers.What is Unit Testing?Unit testing is the process...
Nov 30, 2023
Author: Dev·edium
QUIC (Quick UDP Internet Connections) is a new transport protocol for the Internet that runs on top of User Datagram Protocol (UDP)QUIC (Quick UDP Internet Connections) is a new transport protocol for the Internet that runs on top of User...
Jul 9, 2023
Author: Kenji Elzerman
When you have multiple applications and they need to communicate with each other to exchange data you might want to use a protocol that makes something like that happen. In C#, the HTTPClient class provides a powerful and flexible way...
Написать сообщение
Почта
Имя
*Сообщение


© 1999–2024 WebDynamics
1980–... Sergey Drozdov
Area of interests: .NET Framework | .NET Core | C# | ASP.NET | Windows Forms | WPF | HTML5 | CSS3 | jQuery | AJAX | Angular | React | MS SQL Server | Transact-SQL | ADO.NET | Entity Framework | IIS | OOP | OOA | OOD | WCF | WPF | MSMQ | MVC | MVP | MVVM | Design Patterns | Enterprise Architecture | Scrum | Kanban
LinkedIn
Boosty
Donate to support the project
GitHub account
GitHub profile