Package com.espertech.esper.common.internal.epl.agg.core

Class AggregationServiceAggExpressionDesc

java.lang.Object

com.espertech.esper.common.internal.epl.agg.core.AggregationServiceAggExpressionDesc

public class AggregationServiceAggExpressionDesc
extends Object

Constructor Summary

Constructors

Constructor	Description
AggregationServiceAggExpressionDesc(ExprAggregateNode aggregationNode, AggregationForgeFactory factory)	Ctor.

Method Summary

Modifier and Type	Method	Description
void	addEquivalent(ExprAggregateNode aggNodeToAdd)	Add an equivalent aggregation function node
ExprAggregateNode	getAggregationNode()	Returns the expression.
List<ExprAggregateNode>	getEquivalentNodes()	Returns the equivalent aggregation functions.
AggregationForgeFactory	getFactory()	Returns the method factory.
void	setColumnNum(Integer columnNum)	Assigns a column number.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

AggregationServiceAggExpressionDesc

public AggregationServiceAggExpressionDesc(ExprAggregateNode aggregationNode,
 AggregationForgeFactory factory)

Ctor.

Parameters:

aggregationNode - expression

factory - method factory

Method Details

getEquivalentNodes

public List<ExprAggregateNode> getEquivalentNodes()

Returns the equivalent aggregation functions.

Returns:

list of agg nodes

getFactory

public AggregationForgeFactory getFactory()

Returns the method factory.

Returns:

factory

setColumnNum

public void setColumnNum(Integer columnNum)

Assigns a column number.

Parameters:

columnNum - column number

addEquivalent

public void addEquivalent(ExprAggregateNode aggNodeToAdd)

Add an equivalent aggregation function node

Parameters:

aggNodeToAdd - node to add

getAggregationNode

public ExprAggregateNode getAggregationNode()

Returns the expression.

Returns:

expression