com.espertech.esper.epl.approx
Class CountMinSketchAggStateFactory

java.lang.Object
  com.espertech.esper.epl.approx.CountMinSketchAggStateFactory

All Implemented Interfaces:

AggregationStateFactory

public class CountMinSketchAggStateFactory
extends java.lang.Object
implements AggregationStateFactory

Constructor Summary

CountMinSketchAggStateFactory(ExprAggCountMinSketchNode parent, CountMinSketchSpec specification)

Method Summary

AggregationState	createAccess(MethodResolutionService methodResolutionService, int agentInstanceId, int groupId, int aggregationId, boolean join, java.lang.Object groupKey)
ExprNode	getAggregationExpression()
ExprAggCountMinSketchNode	getParent()
CountMinSketchSpec	getSpecification()

Methods inherited from class java.lang.Object

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

Constructor Detail

CountMinSketchAggStateFactory

public CountMinSketchAggStateFactory(ExprAggCountMinSketchNode parent,
                                     CountMinSketchSpec specification)

Method Detail

createAccess

public AggregationState createAccess(MethodResolutionService methodResolutionService,
                                     int agentInstanceId,
                                     int groupId,
                                     int aggregationId,
                                     boolean join,
                                     java.lang.Object groupKey)

Specified by:

createAccess in interface AggregationStateFactory

getAggregationExpression

public ExprNode getAggregationExpression()

Specified by:

getAggregationExpression in interface AggregationStateFactory

getSpecification

public CountMinSketchSpec getSpecification()

getParent

public ExprAggCountMinSketchNode getParent()