public void Test()
{
var down1 = new ForwardingDownHandler();
var down2 = new ForwardingDownHandler();
var up1 = new ForwardingUpHandler();
var up2 = new ForwardingUpHandler();
var handler = Substitute.For<IUpstreamHandler>();
var bp = new PipelineBuilder();
bp.RegisterDownstream(down1);
bp.RegisterDownstream(down2);
bp.RegisterUpstream(up1);
bp.RegisterUpstream(up2);
bp.RegisterUpstream(handler);
var pipeline = bp.Build();
pipeline.Start();
pipeline.Send(new DispatchEvent(new FakeEvent()));
foreach (var call in handler.ReceivedCalls())
{
Console.WriteLine(call.GetArguments()[1]);
}
}
/// <summary>
/// Build the pipeline
/// </summary>
/// <returns>Constructed pipeline</returns>
public IDomainEventDispatcher Build()
{
if (_inner == null)
throw new InvalidOperationException(
"You must specify a dispatcher, either through the UseContainer() method or by the UseCustomDispatcher() method.");
var builder = new PipelineBuilder();
if (_unitOfWorkAdapter != null)
builder.RegisterDownstream(new TransactionalHandler(_unitOfWorkAdapter, _storage));
if (_maxWorkers > 0)
builder.RegisterDownstream(new AsyncHandler(_maxWorkers));
builder.RegisterDownstream(_inner);
builder.RegisterUpstream(_errorHandler);
var pipeline = builder.Build();
pipeline.Start();
return new EventPipelineDispatcher(pipeline);
}
/// <summary>
/// Build the dispatcher.
/// </summary>
/// <returns>Created dispatcher</returns>
public ICommandDispatcher Build()
{
if (_lastHandler == null && _container == null)
throw new InvalidOperationException(
"You must have specified a handler which can actually invoke the correct command handler. For instance the 'IocDispatcher'.");
if (_container == null && _lastHandler == null)
throw new InvalidOperationException(
"You must have specified a SINGLE handler that can invoke the correct command handler. Either use 'IocDispatcher' or another one, not both alternatives.");
var builder = new PipelineBuilder();
// must be registered before the storage since the storage listens on CommandAborted
if (_maxAttempts > 0)
{
var handler = new RetryingHandler(_maxAttempts);
builder.RegisterUpstream(handler);
}
// Must be registered before the async handler.
if (_storageHandler != null)
{
builder.RegisterDownstream(_storageHandler);
builder.RegisterUpstream(_storageHandler);
}
if (_workers > 0)
builder.RegisterDownstream(new AsyncHandler(_workers));
if (_container != null)
builder.RegisterDownstream(new Pipeline.IocDispatcher(_container));
else
builder.RegisterDownstream(_lastHandler);
builder.RegisterUpstream(_errorHandler);
var pipeline = builder.Build();
pipeline.Start();
var dispatcher = new PipelineDispatcher(pipeline);
return dispatcher;
}
