june-it / mystack.eventbus

Open source lightweight event bus library

MyStack.EventBus

Open source lightweight event bus library

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Usage

Add Services to container

services.AddEventBus(builder =>
 {
     builder.AddRabbtMQ(configure =>
     {
        configure.HostName = "localhost";
        configure.VirtualHost = "/";
        configure.Port = 5672;
        configure.UserName = "guest";
        configure.Password = "guest";
        configure.QueueOptions.Name = "MyStack";
        configure.ExchangeOptions.Name = "MyStack";
        configure.ExchangeOptions.ExchangeType = "topic";
        configure.RPCTimeout = 2000;// RPC timeout  default 3000ms
     });
 },Assembly.GetExecutingAssembly());

Define a message

[EventName("HelloMessage")]
public class HelloMessage : EventBase
{
    public string Message { get; set; }
}

Subscribe to a message

  public class HelloMessageHandler : IEventHandler<HelloMessage>
    {
        public async Task HandleAsync(HelloMessage message, CancellationToken cancellationToken)
        {
            Console.WriteLine("Hello");
            await Task.CompletedTask;
        }
    }

Publish a message

var bus = serviceProvider.GetRequiredService<IEventBus>();
await bus.PublishAsync(new HelloMessage() { Message = "Hello" });

License

MIT