public static Primitive Aggregate(List <Primitive> propertyValues, PropertyAggregate aggregationType)
{
switch (aggregationType)
{
case PropertyAggregate.COUNT:
return(ResolvePrimitive(propertyValues.Count));
case PropertyAggregate.VALUE:
return(ValueAggregator(propertyValues));
case PropertyAggregate.SUM:
return(SumAggregator(propertyValues));
case PropertyAggregate.AVG:
return(AverageAggregator(propertyValues));
case PropertyAggregate.MIN:
return(MinAggregator(propertyValues));
case PropertyAggregate.MAX:
return(MaxAggregator(propertyValues));
default: throw new Exception("Unknown Aggregation type: " + aggregationType);
}
}
public AggregatePropertyVariable(PropertyAggregate aggregationType, EntityProvider entityProvider, PropertySupplier property, Direction?direction)
{
this.aggregationType = aggregationType;
this.entityProvider = entityProvider;
this.property = property;
this.direction = direction;
}
public ListAggregateVariable(Variable list, PropertyAggregate agg)
{
expectedList = list;
aggregation = agg;
}
