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 java.lang.Object
implements AggregationStateFactory

Field Summary

protected ExprAggMultiFunctionLinearAccessNode	expr
protected int	streamNum

Constructor Summary

AggregationStateFactoryLinear(ExprAggMultiFunctionLinearAccessNode expr, int streamNum)

Method Summary

AggregationState	createAccess(int agentInstanceId, boolean join, java.lang.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

Constructor Detail

AggregationStateFactoryLinear

public AggregationStateFactoryLinear(ExprAggMultiFunctionLinearAccessNode expr,
                                     int streamNum)

Method Detail

createAccess

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

Specified by:

createAccess in interface AggregationStateFactory

getAggregationExpression

public ExprNode getAggregationExpression()

Specified by:

getAggregationExpression in interface AggregationStateFactory