public override void ApplyEnter(EventBean[] eventsPerStream, Object groupByKey, ExprEvaluatorContext exprEvaluatorContext)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QAggregationGroupedApplyEnterLeave(true, Aggregators.Length, AccessAggregations.Length, groupByKey);
}
AggregationRowPair groupAggregators = AggregatorsPerGroup.Get(groupByKey);
// The aggregators for this group do not exist, need to create them from the prototypes
AggregationState[] states;
if (groupAggregators == null)
{
AggregationMethod[] methods = AggSvcGroupByUtil.NewAggregators(Aggregators);
states = AggSvcGroupByUtil.NewAccesses(exprEvaluatorContext.AgentInstanceId, IsJoin, AccessAggregations, groupByKey, null);
groupAggregators = new AggregationRowPair(methods, states);
AggregatorsPerGroup.Put(groupByKey, groupAggregators);
}
var evaluateParams = new EvaluateParams(eventsPerStream, true, exprEvaluatorContext);
// For this row, evaluate sub-expressions, enter result
_currentAggregatorRow = groupAggregators;
AggregationMethod[] groupAggMethods = groupAggregators.Methods;
for (int i = 0; i < Evaluators.Length; i++)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QAggNoAccessEnterLeave(true, i, groupAggMethods[i], Aggregators[i].AggregationExpression);
}
Object columnResult = Evaluators[i].Evaluate(evaluateParams);
groupAggMethods[i].Enter(columnResult);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AAggNoAccessEnterLeave(true, i, groupAggMethods[i]);
}
}
states = _currentAggregatorRow.States;
for (int i = 0; i < states.Length; i++)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QAggAccessEnterLeave(true, i, states[i], AccessAggregations[i].AggregationExpression);
}
states[i].ApplyEnter(eventsPerStream, exprEvaluatorContext);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AAggAccessEnterLeave(true, i, states[i]);
}
}
InternalHandleUpdated(groupByKey, groupAggregators);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AAggregationGroupedApplyEnterLeave(true);
}
}
public override void SetCurrentAccess(Object groupByKey, int agentInstanceId, AggregationGroupByRollupLevel rollupLevel)
{
_currentAggregatorRow = AggregatorsPerGroup.Get(groupByKey);
_currentGroupKey = groupByKey;
if (_currentAggregatorRow == null)
{
AggregationMethod[] methods = AggSvcGroupByUtil.NewAggregators(Aggregators);
AggregationState[] states = AggSvcGroupByUtil.NewAccesses(agentInstanceId, IsJoin, AccessAggregations, groupByKey, null);
_currentAggregatorRow = new AggregationRowPair(methods, states);
AggregatorsPerGroup.Put(groupByKey, _currentAggregatorRow);
}
}
public void InternalHandleUpdated(Object groupByKey, AggregationRowPair groupAggregators)
{
// no action required
}
