com.espertech.esper.epl.agg.service.groupall

Class AggSvcGroupAllFactory

java.lang.Object

com.espertech.esper.epl.agg.service.groupall.AggSvcGroupAllFactory

All Implemented Interfaces:

AggregationServiceFactory

public class AggSvcGroupAllFactory
extends java.lang.Object
implements AggregationServiceFactory

Aggregation service for use when only first/last/window aggregation functions are used an none other.

Field Summary

Fields

Modifier and Type	Field and Description
protected AggregationStateFactory[]	accessAggSpecs
protected AggregationAccessorSlotPair[]	accessors
protected AggregationMethodFactory[]	aggregators
protected ExprEvaluator[]	evaluators
protected boolean	isJoin

Constructor Summary

Constructors

Constructor and Description
AggSvcGroupAllFactory(AggregationRowStateEvalDesc evalDesc, boolean isJoin)

Method Summary

Modifier and Type	Method and Description
AggregationService	makeService(AgentInstanceContext agentInstanceContext, EngineImportService engineImportService, 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

evaluators

protected final ExprEvaluator[] evaluators

aggregators

protected final AggregationMethodFactory[] aggregators

accessors

protected final AggregationAccessorSlotPair[] accessors

accessAggSpecs

protected final AggregationStateFactory[] accessAggSpecs

isJoin

protected final boolean isJoin

Constructor Detail

AggSvcGroupAllFactory

public AggSvcGroupAllFactory(AggregationRowStateEvalDesc evalDesc,
                             boolean isJoin)

Method Detail

makeService

public AggregationService makeService(AgentInstanceContext agentInstanceContext,
                                      EngineImportService engineImportService,
                                      boolean isSubquery,
                                      java.lang.Integer subqueryNumber)

Specified by:

makeService in interface AggregationServiceFactory