de.zmt.output.collectable

Interface MultiCollectable<V>

Type Parameters:

V - the type of contained values

All Superinterfaces:

Collectable<Iterable<V>>, Serializable

All Known Subinterfaces:

OneShotCollectable<V>

All Known Implementing Classes:

AbstractMultiCollectable

public interface MultiCollectable<V>
extends Collectable<Iterable<V>>

A Collectable which will return values for several rows.

Method Summary

Modifier and Type	Method and Description
default OutputWriter	createWriter(Path outputPath) Returns fitting OutputWriter for this collectable.
Iterable<? extends Iterable<V>>	obtainValues() Values contained in this Collectable.
default Multimap<String,V>	toMultimap()

Methods inherited from interface de.zmt.output.collectable.Collectable

clear, obtainHeaders, toMap

Method Detail

obtainValues

Iterable<? extends Iterable<V>> obtainValues()

Values contained in this Collectable. Each inner iterable represents a column and is equal in size.

Specified by:

obtainValues in interface Collectable<Iterable<V>>

Returns:

writable values

createWriter

default OutputWriter createWriter(Path outputPath)

Description copied from interface: Collectable

Returns fitting OutputWriter for this collectable.

Specified by:

createWriter in interface Collectable<Iterable<V>>

Parameters:

outputPath - the output path

Returns:

a OutputWriter for given collector

toMultimap

default Multimap<String,V> toMultimap()