/// <summary>
/// Ctor.
/// </summary>
/// <param name="evaluators">evaluate the sub-expression within the aggregate function (ie. sum(4*myNum))</param>
/// <param name="prototypes">collect the aggregation state that evaluators evaluate to, act as prototypes for new aggregationsaggregation states for each group</param>
/// <param name="reclaimGroupAged">hint to reclaim</param>
/// <param name="reclaimGroupFrequency">hint to reclaim</param>
/// <param name="variableService">variables</param>
/// <param name="accessors">accessor definitions</param>
/// <param name="accessAggregations">access aggs</param>
/// <param name="isJoin">true for join, false for single-stream</param>
/// <param name="optionalContextName">Name of the optional context.</param>
/// <exception cref="ExprValidationException">Required hint value for hint ' + HintEnum.RECLAIM_GROUP_AGED + ' has not been provided</exception>
/// <throws><seealso cref="ExprValidationException" /> when validation fails</throws>
public AggSvcGroupByReclaimAgedFactory(ExprEvaluator[] evaluators, AggregationMethodFactory[] prototypes, HintAttribute reclaimGroupAged, HintAttribute reclaimGroupFrequency, VariableService variableService, AggregationAccessorSlotPair[] accessors, AggregationStateFactory[] accessAggregations, bool isJoin, string optionalContextName)
: base(evaluators, prototypes)
{
Accessors = accessors;
AccessAggregations = accessAggregations;
IsJoin = isJoin;
String hintValueMaxAge = HintEnum.RECLAIM_GROUP_AGED.GetHintAssignedValue(reclaimGroupAged);
if (hintValueMaxAge == null)
{
throw new ExprValidationException("Required hint value for hint '" + HintEnum.RECLAIM_GROUP_AGED + "' has not been provided");
}
EvaluationFunctionMaxAge = GetEvaluationFunction(variableService, hintValueMaxAge, optionalContextName);
String hintValueFrequency = HintEnum.RECLAIM_GROUP_FREQ.GetHintAssignedValue(reclaimGroupAged);
if ((reclaimGroupFrequency == null) || (hintValueFrequency == null))
{
EvaluationFunctionFrequency = EvaluationFunctionMaxAge;
}
else
{
EvaluationFunctionFrequency = GetEvaluationFunction(variableService, hintValueFrequency, optionalContextName);
}
}
public AggregationServiceFactory GroupBy(
AggregationServiceFactory nonHAFactory,
AggregationRowFactory rowFactory,
AggregationUseFlags useFlags,
DataInputOutputSerdeWCollation<AggregationRow> serde,
Type[] groupByTypes,
AggSvcGroupByReclaimAgedEvalFuncFactory reclaimMaxAge,
AggSvcGroupByReclaimAgedEvalFuncFactory reclaimFreq,
TimeAbacus timeAbacus)
{
return nonHAFactory;
}
