Package org.h2.expression.aggregate

Class AggregateDataDefault

java.lang.Object

org.h2.expression.aggregate.AggregateData

org.h2.expression.aggregate.AggregateDataDefault

final class AggregateDataDefault
extends AggregateData

Data stored while calculating an aggregate.

Field Summary

Fields

Modifier and Type	Field	Description
private final AggregateType	aggregateType
private final TypeInfo	dataType
private Value	value

Constructor Summary

Constructors

Constructor	Description
AggregateDataDefault(AggregateType aggregateType, TypeInfo dataType)

Method Summary

Modifier and Type	Method	Description
(package private) void	add(SessionLocal session, Value v)	Add a value to this aggregate.
(package private) Value	getValue(SessionLocal session)	Get the aggregate result.

Methods inherited from class java.lang.Object

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

Field Details

aggregateType

private final AggregateType aggregateType

dataType

private final TypeInfo dataType

value

private Value value

Constructor Details

AggregateDataDefault

AggregateDataDefault(AggregateType aggregateType,
 TypeInfo dataType)

Parameters:

aggregateType - the type of the aggregate operation

dataType - the data type of the computed result

Method Details

add

void add(SessionLocal session,
 Value v)

Description copied from class: AggregateData

Add a value to this aggregate.

Specified by:

add in class AggregateData

Parameters:

session - the session

v - the value

getValue

Value getValue(SessionLocal session)

Description copied from class: AggregateData

Get the aggregate result.

Specified by:

getValue in class AggregateData

Parameters:

session - the session

Returns:

the value