com.espertech.esper.epl.agg.factory

Class AggregationMethodFactorySum

java.lang.Object

com.espertech.esper.epl.agg.factory.AggregationMethodFactorySum

All Implemented Interfaces:

AggregationMethodFactory

public class AggregationMethodFactorySum
extends Object
implements AggregationMethodFactory

Field Summary

Fields

Modifier and Type	Field and Description
protected Class	inputValueType
protected ExprSumNode	parent
protected Class	resultType

Constructor Summary

Constructors

Constructor and Description
AggregationMethodFactorySum(ExprSumNode parent, Class inputValueType)

Method Summary

Modifier and Type	Method and Description
AggregationAccessor	getAccessor()
ExprAggregateNodeBase	getAggregationExpression()
AggregationAgent	getAggregationStateAgent(EngineImportService engineImportService, String statementName)
AggregationStateFactory	getAggregationStateFactory(boolean isMatchRecognize)
AggregationStateKey	getAggregationStateKey(boolean isMatchRecognize)
ExprEvaluator	getMethodAggregationEvaluator(boolean join, EventType[] typesPerStream)
Class	getResultType()
boolean	isAccessAggregation()
AggregationMethod	make()
void	validateIntoTableCompatible(AggregationMethodFactory intoTableAgg)

Methods inherited from class java.lang.Object

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

Field Detail

parent

protected final ExprSumNode parent

resultType

protected final Class resultType

inputValueType

protected final Class inputValueType

Constructor Detail

AggregationMethodFactorySum

public AggregationMethodFactorySum(ExprSumNode parent,
                                   Class inputValueType)

Method Detail

isAccessAggregation

public boolean isAccessAggregation()

Specified by:

isAccessAggregation in interface AggregationMethodFactory

getAggregationStateKey

public AggregationStateKey getAggregationStateKey(boolean isMatchRecognize)

Specified by:

getAggregationStateKey in interface AggregationMethodFactory

getAggregationStateFactory

public AggregationStateFactory getAggregationStateFactory(boolean isMatchRecognize)

Specified by:

getAggregationStateFactory in interface AggregationMethodFactory

getAccessor

public AggregationAccessor getAccessor()

Specified by:

getAccessor in interface AggregationMethodFactory

getResultType

public Class getResultType()

Specified by:

getResultType in interface AggregationMethodFactory

make

public AggregationMethod make()

Specified by:

make in interface AggregationMethodFactory

getAggregationExpression

public ExprAggregateNodeBase getAggregationExpression()

Specified by:

getAggregationExpression in interface AggregationMethodFactory

validateIntoTableCompatible

public void validateIntoTableCompatible(AggregationMethodFactory intoTableAgg)
                                 throws ExprValidationException

Specified by:

validateIntoTableCompatible in interface AggregationMethodFactory

Throws:

ExprValidationException

getAggregationStateAgent

public AggregationAgent getAggregationStateAgent(EngineImportService engineImportService,
                                                 String statementName)

Specified by:

getAggregationStateAgent in interface AggregationMethodFactory

getMethodAggregationEvaluator

public ExprEvaluator getMethodAggregationEvaluator(boolean join,
                                                   EventType[] typesPerStream)
                                            throws ExprValidationException

Specified by:

getMethodAggregationEvaluator in interface AggregationMethodFactory

Throws:

ExprValidationException