/// <summary>
/// Handles the message and is the last stage in a handler pipeline.
/// </summary>
/// <param name="handlerBuilder">The <see cref="IHandlerBuilder{TMessage}"/>instance.</param>
/// <param name="handler">The handler.</param>
public static void Handle <TMessage>(this IHandlerBuilder <TMessage> handlerBuilder, HandlerSync <TMessage> handler)
where TMessage : class
{
handlerBuilder.Handle((message, _) =>
{
handler(message);
return(Task.FromResult(0));
});
}
public static ICreateHandlerBuilder HandleQuery <TInput, TOutput>(
this IHandlerBuilder <QueryMessage <TInput, TOutput> > handler, Func <TInput, CancellationToken, Task <TOutput> > query)
{
return(handler.Handle(async(message, ct) =>
{
try
{
var result = await query(message.Input, ct);
if (ct.IsCancellationRequested)
{
message.Source.TrySetCanceled();
}
else
{
message.Source.TrySetResult(result);
}
}
catch (Exception ex)
{
message.Source.TrySetException(ex);
}
}));
}