com.espertech.esper.epl.agg.service
Interface AggregationMethodFactory

All Known Implementing Classes:

AggregationMethodFactoryAvedev, AggregationMethodFactoryAvg, AggregationMethodFactoryCount, AggregationMethodFactoryCountEver, AggregationMethodFactoryFirstEver, AggregationMethodFactoryLastEver, AggregationMethodFactoryLeaving, AggregationMethodFactoryMedian, AggregationMethodFactoryMinMax, AggregationMethodFactoryNth, AggregationMethodFactoryPlugIn, AggregationMethodFactoryRate, AggregationMethodFactoryStddev, AggregationMethodFactorySum, ExprAggCountMinSketchNodeFactoryBase, ExprAggCountMinSketchNodeFactoryState, ExprAggCountMinSketchNodeFactoryUse, ExprAggMultiFunctionLinearAccessNodeFactoryAccess, ExprAggMultiFunctionLinearAccessNodeFactoryMethod, ExprAggMultiFunctionSortedMinMaxByNodeFactory, ExprPlugInAggMultiFunctionNodeFactory

public interface AggregationMethodFactory

Factory for aggregation methods.

Method Summary

AggregationAccessor	getAccessor()
ExprAggregateNodeBase	getAggregationExpression()
AggregationAgent	getAggregationStateAgent()
AggregationStateFactory	getAggregationStateFactory(boolean isMatchRecognize)
AggregationStateKey	getAggregationStateKey(boolean isMatchRecognize)
ExprEvaluator	getMethodAggregationEvaluator(boolean join, EventType[] typesPerStream)
java.lang.Class	getResultType()
boolean	isAccessAggregation()
AggregationMethod	make()
void	validateIntoTableCompatible(AggregationMethodFactory intoTableAgg)

Method Detail

isAccessAggregation

boolean isAccessAggregation()

make

AggregationMethod make()

getResultType

java.lang.Class getResultType()

getAggregationStateKey

AggregationStateKey getAggregationStateKey(boolean isMatchRecognize)

getAggregationStateFactory

AggregationStateFactory getAggregationStateFactory(boolean isMatchRecognize)

getAccessor

AggregationAccessor getAccessor()

getAggregationExpression

ExprAggregateNodeBase getAggregationExpression()

validateIntoTableCompatible

void validateIntoTableCompatible(AggregationMethodFactory intoTableAgg)
                                 throws ExprValidationException

Throws:

ExprValidationException

getAggregationStateAgent

AggregationAgent getAggregationStateAgent()

getMethodAggregationEvaluator

ExprEvaluator getMethodAggregationEvaluator(boolean join,
                                            EventType[] typesPerStream)
                                            throws ExprValidationException

Throws:

ExprValidationException