org.apache.reef.io.data.loading.api

Interface DataSet<K,V>

Type Parameters:

K -

V -

All Superinterfaces:

Iterable<Pair<K,V>>

All Known Implementing Classes:

InMemoryInputFormatDataSet, InputFormatDataSet

public interface DataSet<K,V>
extends Iterable<Pair<K,V>>

A view of the data set to be loaded at an evaluator as an iterable of key value pairs.

Implementations need not materialize and clients should not assume that the data is materialized. Any such thing is left as a post-processing step.

Client also can't assume that the iterator returned here can be restarted

Method Summary

Methods inherited from interface java.lang.Iterable

iterator