public override void SetCurrentAccess(Object groupByKey, int agentInstanceId, AggregationGroupByRollupLevel rollupLevel)
{
AggregationMethodRowAged row = _aggregatorsPerGroup.Get(groupByKey);
if (row != null)
{
_currentAggregatorMethods = row.Methods;
_currentAggregatorStates = row.States;
}
else
{
_currentAggregatorMethods = null;
}
if (_currentAggregatorMethods == null)
{
_currentAggregatorMethods = _methodResolutionService.NewAggregators(Aggregators, agentInstanceId, groupByKey, GroupKeyBinding, null);
_currentAggregatorStates = _methodResolutionService.NewAccesses(agentInstanceId, _isJoin, _accessAggregations, groupByKey, GroupKeyBinding, null);
}
_currentGroupKey = groupByKey;
}
public override void ApplyEnter(EventBean[] eventsPerStream, Object groupByKey, ExprEvaluatorContext exprEvaluatorContext)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QAggregationGroupedApplyEnterLeave(true, Aggregators.Length, _accessAggregations.Length, groupByKey);
}
long currentTime = exprEvaluatorContext.TimeProvider.Time;
if ((_nextSweepTime == null) || (_nextSweepTime <= currentTime))
{
_currentMaxAge = GetMaxAge(_currentMaxAge);
_currentReclaimFrequency = GetReclaimFrequency(_currentReclaimFrequency);
if ((ExecutionPathDebugLog.IsEnabled) && (Log.IsDebugEnabled))
{
Log.Debug("Reclaiming groups older then " + _currentMaxAge + " msec and every " + _currentReclaimFrequency + "msec in frequency");
}
_nextSweepTime = currentTime + _currentReclaimFrequency;
Sweep(currentTime, _currentMaxAge);
}
HandleRemovedKeys(); // we collect removed keys lazily on the next enter to reduce the chance of empty-group queries creating empty aggregators temporarily
AggregationMethodRowAged row = _aggregatorsPerGroup.Get(groupByKey);
// The aggregators for this group do not exist, need to create them from the prototypes
AggregationMethod[] groupAggregators;
AggregationState[] groupStates;
if (row == null)
{
groupAggregators = _methodResolutionService.NewAggregators(Aggregators, exprEvaluatorContext.AgentInstanceId, groupByKey, GroupKeyBinding, null);
groupStates = _methodResolutionService.NewAccesses(exprEvaluatorContext.AgentInstanceId, _isJoin, _accessAggregations, groupByKey, GroupKeyBinding, null);
row = new AggregationMethodRowAged(_methodResolutionService.GetCurrentRowCount(groupAggregators, groupStates) + 1, currentTime, groupAggregators, groupStates);
_aggregatorsPerGroup.Put(groupByKey, row);
}
else
{
groupAggregators = row.Methods;
groupStates = row.States;
row.IncreaseRefcount();
row.LastUpdateTime = currentTime;
}
var evaluateParams = new EvaluateParams(eventsPerStream, true, exprEvaluatorContext);
// For this row, evaluate sub-expressions, enter result
_currentAggregatorMethods = groupAggregators;
_currentAggregatorStates = groupStates;
for (int i = 0; i < Evaluators.Length; i++)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QAggNoAccessEnterLeave(true, i, _currentAggregatorMethods[i], Aggregators[i].AggregationExpression);
}
Object columnResult = Evaluators[i].Evaluate(evaluateParams);
groupAggregators[i].Enter(columnResult);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AAggNoAccessEnterLeave(true, i, _currentAggregatorMethods[i]);
}
}
for (int i = 0; i < _currentAggregatorStates.Length; i++)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QAggAccessEnterLeave(true, i, _currentAggregatorStates[i], _accessAggregations[i].AggregationExpression);
}
_currentAggregatorStates[i].ApplyEnter(eventsPerStream, exprEvaluatorContext);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AAggAccessEnterLeave(true, i, _currentAggregatorStates[i]);
}
}
InternalHandleUpdated(groupByKey, row);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AAggregationGroupedApplyEnterLeave(true);
}
}
public void InternalHandleUpdated(Object groupByKey, AggregationMethodRowAged row)
{
// no action required
}
public override void ApplyLeave(EventBean[] eventsPerStream, Object groupByKey, ExprEvaluatorContext exprEvaluatorContext)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QAggregationGroupedApplyEnterLeave(false, Aggregators.Length, _accessAggregations.Length, groupByKey);
}
AggregationMethodRowAged row = _aggregatorsPerGroup.Get(groupByKey);
long currentTime = exprEvaluatorContext.TimeProvider.Time;
// The aggregators for this group do not exist, need to create them from the prototypes
AggregationMethod[] groupAggregators;
AggregationState[] groupStates;
if (row != null)
{
groupAggregators = row.Methods;
groupStates = row.States;
}
else
{
groupAggregators = _methodResolutionService.NewAggregators(Aggregators, exprEvaluatorContext.AgentInstanceId, groupByKey, GroupKeyBinding, null);
groupStates = _methodResolutionService.NewAccesses(exprEvaluatorContext.AgentInstanceId, _isJoin, _accessAggregations, groupByKey, GroupKeyBinding, null);
row = new AggregationMethodRowAged(_methodResolutionService.GetCurrentRowCount(groupAggregators, groupStates) + 1, currentTime, groupAggregators, groupStates);
_aggregatorsPerGroup.Put(groupByKey, row);
}
// For this row, evaluate sub-expressions, enter result
var evaluateParams = new EvaluateParams(eventsPerStream, false, exprEvaluatorContext);
_currentAggregatorMethods = groupAggregators;
_currentAggregatorStates = groupStates;
for (int i = 0; i < Evaluators.Length; i++)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QAggNoAccessEnterLeave(false, i, _currentAggregatorMethods[i], Aggregators[i].AggregationExpression);
}
Object columnResult = Evaluators[i].Evaluate(evaluateParams);
groupAggregators[i].Leave(columnResult);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AAggNoAccessEnterLeave(false, i, _currentAggregatorMethods[i]);
}
}
for (int i = 0; i < _currentAggregatorStates.Length; i++)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QAggAccessEnterLeave(false, i, _currentAggregatorStates[i], _accessAggregations[i].AggregationExpression);
}
_currentAggregatorStates[i].ApplyLeave(eventsPerStream, exprEvaluatorContext);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AAggAccessEnterLeave(false, i, _currentAggregatorStates[i]);
}
}
row.DecreaseRefcount();
row.LastUpdateTime = currentTime;
if (row.Refcount <= 0)
{
_removedKeys.Add(groupByKey);
_methodResolutionService.RemoveAggregators(exprEvaluatorContext.AgentInstanceId, groupByKey, GroupKeyBinding, null); // allow persistence to remove keys already
}
InternalHandleUpdated(groupByKey, row);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AAggregationGroupedApplyEnterLeave(false);
}
}
public override void ApplyLeave(
EventBean[] eventsPerStream,
Object groupByKey,
ExprEvaluatorContext exprEvaluatorContext)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QAggregationGroupedApplyEnterLeave(false, base.Aggregators.Length, _accessAggregations.Length, groupByKey);
}
var row = _aggregatorsPerGroup.Get(groupByKey);
var currentTime = exprEvaluatorContext.TimeProvider.Time;
// The aggregators for this group do not exist, need to create them from the prototypes
AggregationMethod[] groupAggregators;
AggregationState[] groupStates;
if (row != null)
{
groupAggregators = row.Methods;
groupStates = row.States;
}
else
{
groupAggregators = AggSvcGroupByUtil.NewAggregators(base.Aggregators);
groupStates = AggSvcGroupByUtil.NewAccesses(
exprEvaluatorContext.AgentInstanceId, _isJoin, _accessAggregations, groupByKey, null);
row = new AggregationMethodRowAged(1, currentTime, groupAggregators, groupStates);
_aggregatorsPerGroup.Put(groupByKey, row);
}
// For this row, evaluate sub-expressions, enter result
_currentAggregatorMethods = groupAggregators;
_currentAggregatorStates = groupStates;
var evaluateParams = new EvaluateParams(eventsPerStream, false, exprEvaluatorContext);
for (var i = 0; i < base.Evaluators.Length; i++)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QAggNoAccessEnterLeave(false, i, _currentAggregatorMethods[i], base.Aggregators[i].AggregationExpression);
}
var columnResult = base.Evaluators[i].Evaluate(evaluateParams);
groupAggregators[i].Leave(columnResult);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AAggNoAccessEnterLeave(false, i, _currentAggregatorMethods[i]);
}
}
for (var i = 0; i < _currentAggregatorStates.Length; i++)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QAggAccessEnterLeave(false, i, _currentAggregatorStates[i], _accessAggregations[i].AggregationExpression);
}
_currentAggregatorStates[i].ApplyLeave(eventsPerStream, exprEvaluatorContext);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AAggAccessEnterLeave(false, i, _currentAggregatorStates[i]);
}
}
row.DecreaseRefcount();
row.LastUpdateTime = currentTime;
if (row.Refcount <= 0)
{
_removedKeys.Add(groupByKey);
}
InternalHandleUpdated(groupByKey, row);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AAggregationGroupedApplyEnterLeave(false);
}
}
