mediatr library

Classes

ICommand<T extends Object?>

Extend ICommand instead of IRequest when you dont need to return anything.

ICommandHandler<R extends IRequest<void>>

Extend this class when you need to handle an ICommand that returns nothing.

IDomainEvent

Subclasses of IDomainEvent can be published through the mediator instance.

IEventHandler<E extends IDomainEvent>

Extend IEventHandler with E as the event you want to subscribe to

IPipelineBehavior<R extends IRequest, T>

IQuery<T extends Object>

Same thing as IRequest but required to return not null

IRequest<R>

The base IRequest check IQuery and ICommand if you want to be more specific about your actions.

IRequestHandler<T extends IRequest<R>, R>

Extend IRequestHandler with R as the return type and T as the IRequest you want to handle.

Mediator

Core mediator

Pipeline

A pipeline passes an IRequest through all of its middlewares before being send to the IRequestHandler

Typedefs

FuncEventHandler<T extends IDomainEvent> = FutureOr<void> Function(T event)

HandlerCreator<T> = T Function()

RequestHandlerDelegate<T> = Future<T> Function(IRequest<T> req)

UnsubscribeFunc = void Function()