Package io.deephaven.api.agg

Class ColumnAggregations

java.lang.Object

io.deephaven.api.agg.ColumnAggregations

All Implemented Interfaces:

Aggregation

@Immutable
public abstract class ColumnAggregations
extends Object
implements Aggregation

ColumnAggregations is an Aggregation that is composed of a spec and multiple input/output column pairs. The spec defines the aggregation operation to apply to each input column in order to produce the paired output column.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ColumnAggregations.Builder

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

Aggregation.Visitor

Constructor Summary

Constructors

Constructor	Description
ColumnAggregations()

Method Summary

Modifier and Type	Method	Description
static ColumnAggregations.Builder	builder()
abstract List<Pair>	pairs()
abstract AggSpec	spec()
final <V extends Aggregation.Visitor> V	walk(V visitor)	Glue method to deliver this Aggregation to a AggSpec.Visitor.

Methods inherited from class java.lang.Object

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

Constructor Details

ColumnAggregations

public ColumnAggregations()

Method Details

builder

public static ColumnAggregations.Builder builder()

spec

public abstract AggSpec spec()

pairs

public abstract List<Pair> pairs()

walk

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

Description copied from interface: Aggregation

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

Specified by:

walk in interface Aggregation

Parameters:

visitor - The visitor

Returns:

The visitor