MSHelper.CQRS.Events 1.0.0

dotnet add package MSHelper.CQRS.Events --version 1.0.0
NuGet\Install-Package MSHelper.CQRS.Events -Version 1.0.0
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="MSHelper.CQRS.Events" Version="1.0.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add MSHelper.CQRS.Events --version 1.0.0
#r "nuget: MSHelper.CQRS.Events, 1.0.0"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install MSHelper.CQRS.Events as a Cake Addin
#addin nuget:?package=MSHelper.CQRS.Events&version=1.0.0

// Install MSHelper.CQRS.Events as a Cake Tool
#tool nuget:?package=MSHelper.CQRS.Events&version=1.0.0

MSHelper.CQRS.Events : Events

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Adds an ability to create and process Events in the sense of CQRS.


This document is for the latest MSHelper.CQRS.Events 1.0.0 release and later.

dotnet add package MSHelper.CQRS.Events


-- MSHelper


Implement IEvent or IRejectedEvent (marker) interface in the selected class. Since the event represents something that already happened, you should follow the convention:

--- keep all the events immutable --- name of your events should kept in the past tense

public class AccountCreated : IEvent
    public Guid Id { get; }

    public AccountCreated(id)
        Id = id;

Create dedicated event handler class that implements IEventHandler<TEvent> interface with HandleAsync() method:

public class AccountCreatedHandler : IEventHandler<AccountCreated>
    public Task HandleAsync(AccountCreated @event)
        //put the handling code here

You can easily register all command handlers in DI container by calling AddEventHandlers() method on IMSHelperBuilder:

public IServiceProvider ConfigureServices(this IServiceCollection services)
    var builder = services.AddMSHelper()

    //other registrations    
    return builder.Build();

Dispatching a particular command object can be also done using MSHelper package. Start with registering in-memory dispatcher on your IMSHelperBuilder by calling a AddInMemoryEventDispatcher() method:

public IServiceProvider ConfigureServices(this IServiceCollection services)
    var builder = services.AddMSHelper()

    //other registrations    
    return builder.Build();

Then simply inject IEventDispatcher into a class and call DispatchAsync() method:

public class AccountsService
    private readonly IEventDispatcher _dispatcher;

    public AccountsService(IEventDispatcher dispatcher)
        _dispatcher = dispatcher;

    public Task PostProcessAccountCreation(AccountCreated @event)
        => _dispatcher.DispatchAsync(@event);

Important Note:

All the MSHelper packages are for self learning purposes inspired by

Product Compatible and additional computed target framework versions.
.NET net6.0 is compatible.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (3)

Showing the top 3 NuGet packages that depend on MSHelper.CQRS.Events:

Package Downloads

MSHelper.WebApi.CQRS - CQRS Integration.


MSHelper.Logging.CQRS - Centralized logging for CQRS with Serilog and Seq.


MSHelper.MessageBrokers.CQRS - Asynchronous messaging for CQRS using RabbitMQ.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last updated
1.0.0 262 10/25/2022