public void AddProcessor(LambdaExpression processor, NameType nameOut, params NameType[] nameIn)
{
if (_state != 0)
{
throw new InvalidOperationException();
}
if (nameIn == null)
{
throw new ArgumentNullException();
}
if (!nameOut.IsValid)
{
throw new ArgumentException();
}
if (processor == null)
{
throw new ArgumentNullException();
}
if (processor.ReturnType == typeof(void))
{
throw new ArgumentException();
}
if (nameIn.Length != processor.Parameters.Count())
{
throw new ArgumentException();
}
if (nameIn.Length == 0)
{
throw new ArgumentException();
}
var maybeType = nameOut.Type.ToMaybe();
if (processor.ReturnType != nameOut.Type && processor.ReturnType != maybeType)
{
throw new ArgumentException();
}
var nout = Get(nameOut);
// check that no parameters have multiple inputs
if (nout.SourceWriter != null)
{
throw new InvalidOperationException();
}
if (nout.SourceProcessor != null)
{
throw new InvalidOperationException();
}
if (Log.IsInfo)
{
Log.Info($"AddProcessor: {nameOut} - {string.Join(", ", nameIn)}");
}
if (Log.IsVerbose)
{
Log.Verbose("Expression", processor);
}
var ns = nameIn.Select(Get).ToArray();
var ni = new ProcessorInfo(processor, ns, nout);
_nodes.Add(ni);
nout.SourceProcessor = ni;
foreach (var n in ns)
{
n.Consumers.Add(ni);
}
}
