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 Object
implements AggregationServiceFactory

A null object implementation of the AggregationService interface.

Field Summary

Fields

Modifier and Type	Field and Description
static AggregationServiceNullFactory	AGGREGATION_SERVICE_NULL_FACTORY

Constructor Summary

Constructors

Constructor and Description
AggregationServiceNullFactory()

Method Summary

Modifier and Type	Method and Description
AggregationService	makeService(AgentInstanceContext agentInstanceContext, EngineImportService engineImportService, boolean isSubquery, 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,
                                      EngineImportService engineImportService,
                                      boolean isSubquery,
                                      Integer subqueryNumber)

Specified by:

makeService in interface AggregationServiceFactory