com.espertech.esper.common.internal.epl.expression.agg.base

Interface ExprAggregateNode

All Superinterfaces:

ExprForge, ExprNode, ExprNodeRenderable, ExprValidator, Serializable

All Known Implementing Classes:

ExprAggMultiFunctionCountMinSketchNode, ExprAggMultiFunctionLinearAccessNode, ExprAggMultiFunctionSortedMinMaxByNode, ExprAggregateNodeBase, ExprAvedevNode, ExprAvgNode, ExprCountEverNode, ExprCountNode, ExprFirstLastEverNode, ExprLeavingAggNode, ExprMedianNode, ExprMinMaxAggrNode, ExprNthAggNode, ExprPlugInAggNode, ExprPlugInMultiFunctionAggNode, ExprRateAggNode, ExprStddevNode, ExprSumNode

public interface ExprAggregateNode
extends ExprForge, ExprNode

Base expression node that represents an aggregation function such as 'sum' or 'count'.

Method Summary

Modifier and Type	Method and Description
int	getColumn()
AggregationForgeFactory	getFactory()
ExprNode	getOptionalFilter()
ExprAggregateLocalGroupByDesc	getOptionalLocalGroupBy()
ExprNode[]	getPositionalParams()
boolean	isDistinct()
void	setColumn(int column)
void	validatePositionals(ExprValidationContext validationContext)

Methods inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprForge

evaluateCodegen, getEvaluationType, getExprEvaluator, getForgeConstantType, getForgeRenderable

Methods inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprNode

accept, accept, acceptChildnodes, addChildNode, addChildNodes, equalsNode, getChildNodes, getForge, getPrecedence, replaceUnlistedChildNode, setChildNode, setChildNodes

Methods inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprNodeRenderable

toEPL

Methods inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprValidator

validate

Method Detail

getFactory

AggregationForgeFactory getFactory()

isDistinct

boolean isDistinct()

getOptionalLocalGroupBy

ExprAggregateLocalGroupByDesc getOptionalLocalGroupBy()

validatePositionals

void validatePositionals(ExprValidationContext validationContext)
                  throws ExprValidationException

Throws:

ExprValidationException

getPositionalParams

ExprNode[] getPositionalParams()

getOptionalFilter

ExprNode getOptionalFilter()

setColumn

void setColumn(int column)

getColumn

int getColumn()