org.apache.ignite.ml.selection.scoring.cursor

Class CacheBasedLabelPairCursor<L,K,V>

java.lang.Object

org.apache.ignite.ml.selection.scoring.cursor.CacheBasedLabelPairCursor<L,K,V>

Type Parameters:

L - Type of a label (truth or prediction).

K - Type of a key in upstream data.

V - Type of a value in upstream data.

All Implemented Interfaces:

AutoCloseable, Iterable<LabelPair<L>>, LabelPairCursor<L>

public class CacheBasedLabelPairCursor<L,K,V>
extends Object
implements LabelPairCursor<L>

Truth with prediction cursor based on a data stored in Ignite cache.

Constructor Summary

Constructors

Constructor and Description
CacheBasedLabelPairCursor(IgniteCache<K,V> upstreamCache, IgniteBiFunction<K,V,Vector> featureExtractor, IgniteBiFunction<K,V,L> lbExtractor, Model<Vector,L> mdl) Constructs a new instance of cache based truth with prediction cursor.
CacheBasedLabelPairCursor(IgniteCache<K,V> upstreamCache, IgniteBiPredicate<K,V> filter, IgniteBiFunction<K,V,Vector> featureExtractor, IgniteBiFunction<K,V,L> lbExtractor, Model<Vector,L> mdl) Constructs a new instance of cache based truth with prediction cursor.

Method Summary

Modifier and Type	Method and Description
void	close()
Iterator<LabelPair<L>>	iterator()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

CacheBasedLabelPairCursor

public CacheBasedLabelPairCursor(IgniteCache<K,V> upstreamCache,
                                 IgniteBiPredicate<K,V> filter,
                                 IgniteBiFunction<K,V,Vector> featureExtractor,
                                 IgniteBiFunction<K,V,L> lbExtractor,
                                 Model<Vector,L> mdl)

Constructs a new instance of cache based truth with prediction cursor.

Parameters:

upstreamCache - Ignite cache with upstream data.

filter - Filter for upstream data.

featureExtractor - Feature extractor.

lbExtractor - Label extractor.

mdl - Model for inference.

CacheBasedLabelPairCursor

public CacheBasedLabelPairCursor(IgniteCache<K,V> upstreamCache,
                                 IgniteBiFunction<K,V,Vector> featureExtractor,
                                 IgniteBiFunction<K,V,L> lbExtractor,
                                 Model<Vector,L> mdl)

Constructs a new instance of cache based truth with prediction cursor.

Parameters:

upstreamCache - Ignite cache with upstream data.

featureExtractor - Feature extractor.

lbExtractor - Label extractor.

mdl - Model for inference.

Method Detail

close

public void close()

Specified by:

close in interface AutoCloseable

iterator

@NotNull
public Iterator<LabelPair<L>> iterator()

Specified by:

iterator in interface Iterable<LabelPair<L>>