public override void PropagateRetract(IExecutionContext context, IList <Tuple> tuples)
{
var aggregation = new Aggregation();
foreach (var tuple in tuples)
{
IFactAggregator aggregator = RemoveFactAggregator(tuple);
if (aggregator != null)
{
aggregation.Remove(tuple, aggregator.AggregateFacts);
}
}
PropagateAggregation(context, aggregation);
}
public override void PropagateRetract(IExecutionContext context, List <Tuple> tuples)
{
var aggregation = new Aggregation();
using (var counter = PerfCounter.Retract(context, this))
{
foreach (var tuple in tuples)
{
IFactAggregator aggregator = RemoveFactAggregator(context, tuple);
if (aggregator != null)
{
aggregation.Remove(tuple, aggregator.AggregateFacts);
}
}
counter.AddInputs(tuples.Count);
counter.AddOutputs(aggregation.Count);
}
PropagateAggregation(context, aggregation);
}
private void AddAggregationResult(Aggregation aggregation, Tuple tuple, IEnumerable <AggregationResult> results)
{
foreach (var result in results)
{
switch (result.Action)
{
case AggregationAction.Added:
var addedFact = CreateAggregateFact(result.Aggregate);
aggregation.Add(tuple, addedFact);
break;
case AggregationAction.Modified:
var modifiedFact = GetAggregateFact(result.Aggregate, result.Previous);
aggregation.Modify(tuple, modifiedFact);
break;
case AggregationAction.Removed:
var removedFact = RemoveAggregateFact(result.Aggregate);
aggregation.Remove(tuple, removedFact);
break;
}
}
}
private void ResetAggregator(Aggregation aggregation, Tuple tuple, IFactAggregator aggregator)
{
tuple.RemoveState <IFactAggregator>(this);
aggregation.Remove(tuple, aggregator.AggregateFacts);
}
private void ResetAggregator(IExecutionContext context, Aggregation aggregation, Tuple tuple, IFactAggregator aggregator)
{
context.WorkingMemory.RemoveState <IFactAggregator>(this, tuple);
aggregation.Remove(tuple, aggregator.AggregateFacts);
}