com.espertech.esper.common.internal.epl.agg.method.nth

Class AggregationFactoryMethodNth

java.lang.Object

com.espertech.esper.common.internal.epl.agg.method.core.AggregationFactoryMethodBase

com.espertech.esper.common.internal.epl.agg.method.nth.AggregationFactoryMethodNth

All Implemented Interfaces:

AggregationForgeFactory

public class AggregationFactoryMethodNth
extends AggregationFactoryMethodBase

Field Summary

Fields

Modifier and Type	Field and Description
protected AggregatorNth	aggregator
protected Class	childType
protected ExprNthAggNode	parent
protected int	size

Constructor Summary

Constructors

Constructor and Description
AggregationFactoryMethodNth(ExprNthAggNode parent, Class childType, int size)

Method Summary

Modifier and Type	Method and Description
ExprAggregateNodeBase	getAggregationExpression()
AggregationPortableValidation	getAggregationPortableValidation()
AggregatorMethod	getAggregator()
Class	getChildType()
ExprForge[]	getMethodAggregationForge(boolean join, EventType[] typesPerStream)
ExprNthAggNode	getParent()
Class	getResultType()
int	getSizeOfBuf()
void	initMethodForge(int col, CodegenCtor rowCtor, CodegenMemberCol membersColumnized, CodegenClassScope classScope)

Methods inherited from class com.espertech.esper.common.internal.epl.agg.method.core.AggregationFactoryMethodBase

getAccessorForge, getAggregationStateAgent, getAggregationStateFactory, getAggregationStateKey, isAccessAggregation

Methods inherited from class java.lang.Object

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

Field Detail

parent

protected final ExprNthAggNode parent

childType

protected final Class childType

size

protected final int size

aggregator

protected AggregatorNth aggregator

Constructor Detail

AggregationFactoryMethodNth

public AggregationFactoryMethodNth(ExprNthAggNode parent,
                                   Class childType,
                                   int size)

Method Detail

getResultType

public Class getResultType()

initMethodForge

public void initMethodForge(int col,
                            CodegenCtor rowCtor,
                            CodegenMemberCol membersColumnized,
                            CodegenClassScope classScope)

getAggregator

public AggregatorMethod getAggregator()

getParent

public ExprNthAggNode getParent()

getAggregationExpression

public ExprAggregateNodeBase getAggregationExpression()

getAggregationPortableValidation

public AggregationPortableValidation getAggregationPortableValidation()

getMethodAggregationForge

public ExprForge[] getMethodAggregationForge(boolean join,
                                             EventType[] typesPerStream)
                                      throws ExprValidationException

Throws:

ExprValidationException

getChildType

public Class getChildType()

getSizeOfBuf

public int getSizeOfBuf()