com.espertech.esper.epl.agg.access

Class AggregationAccessorLastWEvalForge

java.lang.Object

com.espertech.esper.epl.agg.access.AggregationAccessorLastWEvalForge

All Implemented Interfaces:

AggregationAccessorForge

public class AggregationAccessorLastWEvalForge
extends java.lang.Object
implements AggregationAccessorForge

Represents the aggregation accessor that provides the result for the "last" aggregation function without index.

Constructor Summary

Constructors

Constructor and Description
AggregationAccessorLastWEvalForge(int streamNum, ExprForge childNode) Ctor.

Method Summary

Modifier and Type	Method and Description
AggregationAccessor	getAccessor(EngineImportService engineImportService, boolean isFireAndForget, java.lang.String statementName)
ExprForge	getChildNode()
void	getEnumerableEventCodegen(AggregationAccessorForgeGetCodegenContext context)
void	getEnumerableEventsCodegen(AggregationAccessorForgeGetCodegenContext context)
void	getEnumerableScalarCodegen(AggregationAccessorForgeGetCodegenContext context)
PlugInAggregationMultiFunctionCodegenType	getPluginCodegenType()
int	getStreamNum()
void	getValueCodegen(AggregationAccessorForgeGetCodegenContext context)

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregationAccessorLastWEvalForge

public AggregationAccessorLastWEvalForge(int streamNum,
                                         ExprForge childNode)

Ctor.

Parameters:

streamNum - stream id

childNode - expression

Method Detail

getAccessor

public AggregationAccessor getAccessor(EngineImportService engineImportService,
                                       boolean isFireAndForget,
                                       java.lang.String statementName)

Specified by:

getAccessor in interface AggregationAccessorForge

getPluginCodegenType

public PlugInAggregationMultiFunctionCodegenType getPluginCodegenType()

Specified by:

getPluginCodegenType in interface AggregationAccessorForge

getValueCodegen

public void getValueCodegen(AggregationAccessorForgeGetCodegenContext context)

Specified by:

getValueCodegen in interface AggregationAccessorForge

getEnumerableEventsCodegen

public void getEnumerableEventsCodegen(AggregationAccessorForgeGetCodegenContext context)

Specified by:

getEnumerableEventsCodegen in interface AggregationAccessorForge

getEnumerableEventCodegen

public void getEnumerableEventCodegen(AggregationAccessorForgeGetCodegenContext context)

Specified by:

getEnumerableEventCodegen in interface AggregationAccessorForge

getEnumerableScalarCodegen

public void getEnumerableScalarCodegen(AggregationAccessorForgeGetCodegenContext context)

Specified by:

getEnumerableScalarCodegen in interface AggregationAccessorForge

getStreamNum

public int getStreamNum()

getChildNode

public ExprForge getChildNode()