public override void PropagateRetract(IExecutionContext context, Tuple tuple)
{
IEnumerable <Fact> facts = RightSource.GetFacts(context);
foreach (Fact fact in facts)
{
MemoryNode.PropagateRetract(context, tuple, fact);
}
}
public override void PropagateAssert(IExecutionContext context, Tuple tuple)
{
IEnumerable <Fact> facts = RightSource.GetFacts(context);
foreach (Fact fact in facts)
{
if (MatchesConditions(tuple, fact))
{
PropagateMatchedAssert(context, tuple, fact);
}
}
}
protected TupleFactSet JoinedSet(IExecutionContext context, Tuple tuple)
{
int level = tuple.Level;
var facts = RightSource.GetFacts(context).ToList();
if (facts.Count > 0)
{
IDictionary <long, List <Fact> > factGroups = GroupFacts(facts, level);
if (factGroups.Count > 0)
{
return(JoinByGroupId(tuple, factGroups));
}
}
return(new TupleFactSet(tuple, facts));
}
protected IEnumerable <TupleFactSet> JoinedSets(IExecutionContext context, IList <Tuple> tuples)
{
if (tuples.Count == 0)
{
return(EmptySetList);
}
int level = tuples[0].Level;
var facts = RightSource.GetFacts(context).ToList();
if (facts.Count > 0)
{
IDictionary <long, List <Fact> > factGroups = GroupFacts(facts, level);
if (factGroups.Count > 0)
{
return(JoinByGroupId(tuples, factGroups));
}
}
return(CrossJoin(tuples, facts));
}
protected IEnumerable <Fact> MatchingFacts(IExecutionContext context, Tuple tuple)
{
return(RightSource.GetFacts(context).Where(fact => MatchesConditions(context, tuple, fact)));
}