private static Pipeline AppendToPipeline(Pipeline pipeline, SpecificationContext context, SetDefinition setDefinition, SpecificationResult result)
{
if (setDefinition is SetDefinitionPredecessorChain predecessorChainSet)
{
var chain = predecessorChainSet.ToChain();
var targetSetDefinition = chain.TargetSetDefinition;
var start = targetSetDefinition.Label;
var target = new Label(predecessorChainSet.Role, chain.TargetFactType);
var path = new Path(start, target);
return(pipeline.AddPath(AddPredecessorSteps(path, chain)));
}
else if (setDefinition is SetDefinitionJoin joinSet)
{
var head = joinSet.Head;
var tail = joinSet.Tail;
var sourceSetDefinition = head.TargetSetDefinition;
var source = sourceSetDefinition.Label;
var target = joinSet.Label;
var path = new Path(source, target);
return(pipeline.AddPath(PrependSuccessorSteps(AddPredecessorSteps(path, head), tail)));
}
else if (setDefinition is SetDefinitionConditional conditionalSet)
{
var targetSetDefinition = conditionalSet.Source;
var start = targetSetDefinition.Label;
var childPipeline = CreatePipeline(
SpecificationContext.Empty
.With(start, SpecificationParser.InstanceOfFact(targetSetDefinition.Type), targetSetDefinition.Type),
conditionalSet.Condition.SpecificationResult);
var conditional = new Conditional(start, conditionalSet.Condition.Exists, childPipeline);
return(pipeline.AddConditional(conditional));
}
else
{
throw new NotImplementedException();
}
}
