Package io.deephaven.api.agg.spec

Class AggSpecLast

java.lang.Object

io.deephaven.api.agg.spec.AggSpecBase

io.deephaven.api.agg.spec.AggSpecEmptyBase

io.deephaven.api.agg.spec.AggSpecLast

All Implemented Interfaces:

AggSpec

@Immutable
public abstract class AggSpecLast
extends AggSpecEmptyBase

Specifies an aggregation that outputs the last value in the input column for each group.

See Also:

• TableOperations.lastBy()

Nested Class Summary

Nested classes/interfaces inherited from interface io.deephaven.api.agg.spec.AggSpec

AggSpec.Visitor

Constructor Summary

Constructors

Constructor	Description
AggSpecLast()

Method Summary

Modifier and Type	Method	Description
final String	description()	Get a simple description for this AggSpec.
static AggSpecLast	of()
final <V extends AggSpec.Visitor> V	walk(V visitor)	Glue method to deliver this AggSpec to a AggSpec.Visitor.

Methods inherited from class io.deephaven.api.agg.spec.AggSpecBase

aggregation, aggregation, aggregation

Methods inherited from class java.lang.Object

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

Constructor Details

AggSpecLast

public AggSpecLast()

Method Details

of

public static AggSpecLast of()

description

public final String description()

Description copied from interface: AggSpec

Get a simple description for this AggSpec.

Returns:

The description

walk

public final <V extends AggSpec.Visitor> V walk(V visitor)

Description copied from interface: AggSpec

Glue method to deliver this AggSpec to a AggSpec.Visitor.

Parameters:

visitor - The visitor

Returns:

The visitor