protected override void onInstanceActivated(ConceptInstance instance, BeamGenerator generator)
{
var criterion = generator.GetValue(instance, _parameter);
var criterionValues = generator.GetPropertyValues(criterion);
criterionValues.Remove(Concept2.OnSetListener); // TODO internal property removal should be done in more systematic way
criterionValues.Remove(Concept2.HasProperty);
criterionValues.Remove(Concept2.HasPropertyValue);
var requiredProperties = new HashSet <Concept2>(criterionValues.Values.Select(i => i.Concept));
requiredProperties.Add(criterion.Concept);
var result = FindRelevantConcepts(generator, requiredProperties);
var isSubjectClass = generator.GetInverseConceptValues(Concept2.InstanceOf, criterion).Any();
if (result.Count == 0)
{
if (isSubjectClass)
{
generator.Push(new StaticScoreEvent(0.1));
}
else
{
generator.Push(new StaticScoreEvent(-0.1));
}
generator.Push(new InstanceOutputEvent(new ConceptInstance(Concept2.NotFound)));
}
else if (result.Count == 1)
{
generator.Push(new StaticScoreEvent(0.5));
generator.Push(new InstanceOutputEvent(result.First()));
}
else
{
if (generator.IsProperty(criterion.Concept))
{
generator.Push(new StaticScoreEvent(-0.15));
}
var needRefinementInstance = new ConceptInstance(Concept2.NeedsRefinement);
generator.SetValue(needRefinementInstance, Concept2.Subject, criterion);
generator.SetValue(criterion, Concept2.OnSetListener, instance);
generator.Push(new InstanceOutputEvent(needRefinementInstance));
}
}
