com.espertech.esper.epl.agg.service
Class AggregationServiceNullFactory

java.lang.Object
  com.espertech.esper.epl.agg.service.AggregationServiceNullFactory

All Implemented Interfaces:

AggregationServiceFactory

public class AggregationServiceNullFactory
extends java.lang.Object
implements AggregationServiceFactory

A null object implementation of the AggregationService interface.

Field Summary

static AggregationServiceNullFactory

AGGREGATION_SERVICE_NULL_FACTORY

Constructor Summary

AggregationServiceNullFactory()

Method Summary

AggregationService

makeService(AgentInstanceContext agentInstanceContext, MethodResolutionService methodResolutionService, boolean isSubquery, java.lang.Integer subqueryNumber)

Methods inherited from class java.lang.Object

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

Field Detail

AGGREGATION_SERVICE_NULL_FACTORY

public static final AggregationServiceNullFactory AGGREGATION_SERVICE_NULL_FACTORY

Constructor Detail

AggregationServiceNullFactory

public AggregationServiceNullFactory()

Method Detail

makeService

public AggregationService makeService(AgentInstanceContext agentInstanceContext,
                                      MethodResolutionService methodResolutionService,
                                      boolean isSubquery,
                                      java.lang.Integer subqueryNumber)

Specified by:

makeService in interface AggregationServiceFactory