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

Class AggregationFactoryMethodCount

java.lang.Object

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

com.espertech.esper.common.internal.epl.agg.method.count.AggregationFactoryMethodCount

All Implemented Interfaces:

AggregationForgeFactory

public class AggregationFactoryMethodCount
extends AggregationFactoryMethodBase

Field Summary

Fields

Modifier and Type	Field and Description
protected Class	countedValueType
protected boolean	ignoreNulls
protected ExprCountNode	parent

Constructor Summary

Constructors

Constructor and Description
AggregationFactoryMethodCount(ExprCountNode parent, boolean ignoreNulls, Class countedValueType)

Method Summary

Modifier and Type	Method and Description
ExprAggregateNodeBase	getAggregationExpression()
AggregationPortableValidation	getAggregationPortableValidation()
AggregatorMethod	getAggregator()
ExprForge[]	getMethodAggregationForge(boolean join, EventType[] typesPerStream)
Class	getResultType()
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 ExprCountNode parent

ignoreNulls

protected final boolean ignoreNulls

countedValueType

protected final Class countedValueType

Constructor Detail

AggregationFactoryMethodCount

public AggregationFactoryMethodCount(ExprCountNode parent,
                                     boolean ignoreNulls,
                                     Class countedValueType)

Method Detail

getResultType

public Class getResultType()

initMethodForge

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

getAggregator

public AggregatorMethod getAggregator()

getMethodAggregationForge

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

Throws:

ExprValidationException

getAggregationExpression

public ExprAggregateNodeBase getAggregationExpression()

getAggregationPortableValidation

public AggregationPortableValidation getAggregationPortableValidation()