Nerdigy.Mediator.Abstractions 0.6.0

Mediator

Nerdigy.Mediator is a mediator runtime for .NET, with support for request/response, notifications, and async streaming workflows.

Packages In This Repository

• Nerdigy.Mediator.Abstractions: public contracts and delegate types
• Nerdigy.Mediator: core mediator runtime, dispatch, pipelines, and publishers
• Nerdigy.Mediator.DependencyInjection: DI registration, assembly scanning, and options

All projects currently target net10.0.

Quick Start

using Microsoft.Extensions.DependencyInjection;
using Nerdigy.Mediator.Abstractions;
using Nerdigy.Mediator.DependencyInjection;

var services = new ServiceCollection();

services.AddMediator(options =>
{
    options.RegisterServicesFromAssemblyContaining<PingHandler>();
});

await using var provider = services.BuildServiceProvider();
var mediator = provider.GetRequiredService<IMediator>();

var response = await mediator.Send(new PingQuery("hello"));
Console.WriteLine(response);

public sealed record PingQuery(string Message) : IRequest<string>;

public sealed class PingHandler : IRequestHandler<PingQuery, string>
{
    public Task<string> Handle(PingQuery request, CancellationToken cancellationToken)
    {
        return Task.FromResult($"PONG: {request.Message}");
    }
}

Repository Layout

• src/Nerdigy.Mediator.Abstractions
• src/Nerdigy.Mediator
• src/Nerdigy.Mediator.DependencyInjection
• test/Nerdigy.Mediator.UnitTests
• test/Nerdigy.Mediator.IntegrationTests
• bench/Nerdigy.Mediator.Benchmarks
• docs/ (VitePress documentation site)

Common Commands

Run from repository root:

dotnet build Mediator.slnx
dotnet test Mediator.slnx
dotnet format --verify-no-changes
dotnet run -c Release --project bench/Nerdigy.Mediator.Benchmarks/Nerdigy.Mediator.Benchmarks.csproj

Docs site:

pnpm docs:dev
pnpm docs:build
pnpm docs:preview

What Is Implemented

• Request/response and void-request dispatch (Send)
• Notification fan-out (Publish) with sequential and parallel publisher strategies
• Stream request dispatch (CreateStream)
• Request and stream pipeline behaviors
• Request and stream exception handlers, plus exception actions
• Assembly scanning for handlers, processors, behaviors, and exception components

Documentation

• Getting Started
• Dependency Injection
• Requests
• Notifications
• Streaming
• Pipelines And Processors
• Exception Handling
• Performance
• Troubleshooting

Contributing Notes

• Follow .editorconfig and namespace-to-path alignment (namespace == path).
• Keep changes small and single-purpose.
• Maintain independent implementation practices and do not copy source from external projects.

License

MIT