public PipelineDelegate.BatchMiddleware <T> Build()
{
Run <BatchHandlerPipelineEndpoint <T> >();
PipelineDelegate.BatchMiddleware <T> batchApp = (messages, cancellationToken, context) => Task.CompletedTask;
foreach (var middleware in _middleware.Reverse())
{
batchApp = middleware(batchApp);
}
return(batchApp);
}
/// <summary> /// Invokes the middleware /// </summary> /// <param name="messages">The messages to handle</param> /// <param name="cancellationToken">The current cancellation token</param> /// <param name="messageContext">The context of the message</param> /// <param name="next">The next middleware to run</param> protected abstract Task OnInvoke(IReadOnlyCollection <Message <T> > messages, CancellationToken cancellationToken, MessageContext messageContext, PipelineDelegate.BatchMiddleware <T> next);
/// <inheritdoc />
public Task Invoke(IReadOnlyCollection <Message <T> > messages, CancellationToken cancellationToken, MessageContext messageContext, PipelineDelegate.BatchMiddleware <T> next)
{
if (messages is null)
{
Throw.ArgumentNullException(nameof(messages));
}
if (messageContext is null)
{
Throw.ArgumentNullException(nameof(messageContext));
}
cancellationToken.ThrowIfCancellationRequested();
return(OnInvoke(messages, cancellationToken, messageContext, next));
}