com.espertech.esper.epl.agg.factory

Class AggregationStateFactoryLinear

java.lang.Object

com.espertech.esper.epl.agg.factory.AggregationStateFactoryLinear

All Implemented Interfaces:

AggregationStateFactory

public class AggregationStateFactoryLinear
extends Object
implements AggregationStateFactory

Field Summary

Fields

Modifier and Type	Field and Description
protected ExprAggMultiFunctionLinearAccessNode	expr
protected ExprEvaluator	optionalFilter
protected int	streamNum

Constructor Summary

Constructors

Constructor and Description
AggregationStateFactoryLinear(ExprAggMultiFunctionLinearAccessNode expr, int streamNum, ExprEvaluator optionalFilter)

Method Summary

Modifier and Type	Method and Description
AggregationState	createAccess(int agentInstanceId, boolean join, Object groupKey, AggregationServicePassThru passThru)
ExprNode	getAggregationExpression()

Methods inherited from class java.lang.Object

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

Field Detail

expr

protected final ExprAggMultiFunctionLinearAccessNode expr

streamNum

protected final int streamNum

optionalFilter

protected final ExprEvaluator optionalFilter

Constructor Detail

AggregationStateFactoryLinear

public AggregationStateFactoryLinear(ExprAggMultiFunctionLinearAccessNode expr,
                                     int streamNum,
                                     ExprEvaluator optionalFilter)

Method Detail

createAccess

public AggregationState createAccess(int agentInstanceId,
                                     boolean join,
                                     Object groupKey,
                                     AggregationServicePassThru passThru)

Specified by:

createAccess in interface AggregationStateFactory

getAggregationExpression

public ExprNode getAggregationExpression()

Specified by:

getAggregationExpression in interface AggregationStateFactory