Package com.espertech.esper.common.internal.epl.agg.access.linear

Class AggregationAccessorFirstWEvalForge

java.lang.Object

com.espertech.esper.common.internal.epl.agg.access.linear.AggregationAccessorFirstWEvalForge

All Implemented Interfaces:

AggregationAccessorForge

public class AggregationAccessorFirstWEvalForge
extends Object
implements AggregationAccessorForge

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

Constructor Summary

Constructors

Constructor	Description
AggregationAccessorFirstWEvalForge(int streamNum, ExprForge childNode)	Ctor.

Method Summary

Modifier and Type	Method	Description
ExprForge	getChildNode()
void	getEnumerableEventCodegen(AggregationAccessorForgeGetCodegenContext context)
void	getEnumerableEventsCodegen(AggregationAccessorForgeGetCodegenContext context)
void	getEnumerableScalarCodegen(AggregationAccessorForgeGetCodegenContext context)
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 Details

AggregationAccessorFirstWEvalForge

public AggregationAccessorFirstWEvalForge(int streamNum,
 ExprForge childNode)

Ctor.

Parameters:

streamNum - stream id

childNode - expression

Method Details

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()