private void PropagateMatchedRetract(IExecutionContext context, Tuple tuple, Fact fact)
{
Tuple childTuple = tuple.ChildTuples.SingleOrDefault(t => t.Node == this && t.RightFact == fact);
if (childTuple != null)
{
Sink.PropagateRetract(context, childTuple);
childTuple.Clear();
}
}
public void PropagateRetract(IExecutionContext context, Tuple tuple, Fact fact)
{
IBetaMemory memory = context.WorkingMemory.GetNodeMemory(this);
Tuple childTuple = memory.FindTuple(tuple, fact);
if (childTuple != null)
{
foreach (var sink in _sinks)
{
sink.PropagateRetract(context, childTuple);
}
memory.Remove(childTuple);
childTuple.Clear();
}
}