Package com.terracottatech.store

Interface UpdateOperation.CellUpdateOperation<K extends Comparable<K>,T>

Type Parameters:

K - consumed record key type

T - cell type

All Superinterfaces:

UpdateOperation<K>

Enclosing interface:

UpdateOperation<K extends Comparable<K>>

public static interface UpdateOperation.CellUpdateOperation<K extends Comparable<K>,T>
extends UpdateOperation<K>

A single cell transform.

Nested Class Summary

Nested classes/interfaces inherited from interface com.terracottatech.store.UpdateOperation

UpdateOperation.BoolWriteOperationBuilder, UpdateOperation.CellUpdateOperation<K extends Comparable<K>,T>, UpdateOperation.DoubleWriteOperationBuilder, UpdateOperation.IntWriteOperationBuilder, UpdateOperation.LongWriteOperationBuilder, UpdateOperation.WriteOperationBuilder<T,D extends CellDefinition<T>>

Method Summary

Modifier and Type	Method	Description
default Iterable<Cell<?>>	apply(Record<K> r)	Applies this transform to the given record.
Function<? super Record<?>,Optional<Cell<T>>>	cell()	Returns the cell to be written or an empty optional to remove.
CellDefinition<T>	definition()	Returns the cell definition modified by this transform.

Method Details

definition

CellDefinition<T> definition()

Returns the cell definition modified by this transform.

Returns:

the modified definition

cell

Function<? super Record<?>,Optional<Cell<T>>> cell()

Returns the cell to be written or an empty optional to remove.

Returns:

the cell to be written

apply

default Iterable<Cell<?>> apply(Record<K> r)

Description copied from interface: UpdateOperation

Applies this transform to the given record.

Specified by:

apply in interface UpdateOperation<K extends Comparable<K>>

Parameters:

r - the incoming record

Returns:

the resultant cells