/// <summary>
/// The the upstream handler that this handler will forward messages to
/// </summary>
/// <param name="up">upstream handler</param>
public void SetUpstream(UpstreamContext up)
{
if (up == null)
{
throw new ArgumentNullException("up");
}
_up = up;
}
/// <summary>
/// Sets the next upstream handler that this one will forward messages to
/// </summary>
/// <param name="next">The next.</param>
public void SetNext(UpstreamContext next)
{
if (next == null)
{
throw new ArgumentNullException("next");
}
_next = next;
}
/// <summary>
/// Register a upstream handler.
/// Upstream handlers should be registered from closest to the
/// command handler and finally the application handler (which should receive the error messages)
/// </summary>
/// <param name="handler">The handler.</param>
public void RegisterUpstream(IUpstreamHandler handler)
{
if (handler == null) throw new ArgumentNullException("handler");
var newContext = new UpstreamContext(handler);
if (_upstreamHandlers.Count > 0)
_upstreamHandlers[_upstreamHandlers.Count - 1].SetNext(newContext);
_upstreamHandlers.Add(newContext);
}
/// <summary>
/// Add a new upstream handler (handles failures which was detected when the command was traveling down to the command handler)
/// </summary>
/// <param name="context">Context for the handler</param>
public void Add(UpstreamContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (_fixed)
{
throw new InvalidOperationException(
"The pipeline may not be modified after Start() has been called.");
}
_upstream.Add(context);
}
/// <summary>
/// Register a upstream handler.
/// Upstream handlers should be registered from closest to the
/// command handler and finally the application handler (which should receive the error messages)
/// </summary>
/// <param name="handler">The handler.</param>
public void RegisterUpstream(IUpstreamHandler handler)
{
if (handler == null)
{
throw new ArgumentNullException("handler");
}
var newContext = new UpstreamContext(handler);
if (_upstreamHandlers.Count > 0)
{
_upstreamHandlers[_upstreamHandlers.Count - 1].SetNext(newContext);
}
_upstreamHandlers.Add(newContext);
}
public void DestinationIsNotSet()
{
var upContext = new UpstreamContext(new ForwardingUpHandler());
var destination = Substitute.For<IUpstreamHandler>();
var downHandler = Substitute.For<IDownstreamHandler>();
var downContext = new DownstreamContext(downHandler);
var pipeline = new Decoupled.Pipeline.Pipeline();
var msg = Substitute.For<IUpstreamMessage>();
pipeline.Add(downContext);
pipeline.Add(upContext);
pipeline.Add(new UpstreamContext(destination));
pipeline.Start();
upContext.Invoke(msg);
destination.Received().HandleUpstream(Arg.Any<IUpstreamContext>(), msg);
}
/// <summary>
/// Initializes a new instance of the <see cref="Pipeline" /> class.
/// </summary>
public Pipeline()
{
_myUpContext = new UpstreamContext(this);
_myDownContext = new DownstreamContext(this);
}
/// <summary>
/// Add a new upstream handler (handles failures which was detected when the command was traveling down to the command handler)
/// </summary>
/// <param name="context">Context for the handler</param>
public void Add(UpstreamContext context)
{
if (context == null) throw new ArgumentNullException("context");
if (_fixed)
throw new InvalidOperationException(
"The pipeline may not be modified after Start() has been called.");
_upstream.Add(context);
}
/// <summary>
/// The the upstream handler that this handler will forward messages to
/// </summary>
/// <param name="up">upstream handler</param>
public void SetUpstream(UpstreamContext up)
{
if (up == null) throw new ArgumentNullException("up");
_up = up;
}
/// <summary>
/// Initializes a new instance of the <see cref="Pipeline" /> class.
/// </summary>
public Pipeline()
{
_myUpContext = new UpstreamContext(this);
_myDownContext = new DownstreamContext(this);
}
/// <summary>
/// Sets the next upstream handler that this one will forward messages to
/// </summary>
/// <param name="next">The next.</param>
public void SetNext(UpstreamContext next)
{
if (next == null) throw new ArgumentNullException("next");
_next = next;
}