Package io.deephaven.engine.table.impl.sources.regioned

Interface MakeRegion<ATTR extends Values,REGION_TYPE extends ColumnRegion<ATTR>>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface MakeRegion<ATTR extends Values,REGION_TYPE extends ColumnRegion<ATTR>>

Method Summary

Modifier and Type	Method	Description
REGION_TYPE	makeRegion(@NotNull ColumnDefinition<?> columnDefinition, @NotNull ColumnLocation columnLocation, int regionIndex)	Get a new or re-usable column region appropriate for this source.

Method Details

makeRegion

@Nullable
REGION_TYPE makeRegion(@NotNull
 @NotNull ColumnDefinition<?> columnDefinition,
 @NotNull
 @NotNull ColumnLocation columnLocation,
 int regionIndex)

Get a new or re-usable column region appropriate for this source.

Parameters:

columnDefinition - The ColumnDefinition

columnLocation - The ColumnLocation

regionIndex - The index of the region to add.

Returns:

A new or re-usable column region appropriate for this source and the supplied parameters. A null value may be returned, which should be interpreted to mean use a special null column, which has size() 0 and is full of the appropriate "null" value for the column's type.