org.apache.spark.ml.recommendation

Class ALS.UncompressedInBlockBuilder<ID>

Object

org.apache.spark.ml.recommendation.ALS.UncompressedInBlockBuilder<ID>

Enclosing class:

ALS

public static class ALS.UncompressedInBlockBuilder<ID>
extends Object

Builder for uncompressed in-blocks of (srcId, dstEncodedIndex, rating) tuples.

Constructor Summary

Constructors

Constructor and Description
ALS.UncompressedInBlockBuilder(ALS.LocalIndexEncoder encoder, scala.reflect.ClassTag<ID> evidence$6, scala.math.Ordering<ID> ord)

Method Summary

Methods

Modifier and Type	Method and Description
ALS.UncompressedInBlockBuilder<ID>	add(int dstBlockId, Object srcIds, int[] dstLocalIndices, float[] ratings) Adds a dst block of (srcId, dstLocalIndex, rating) tuples.
ALS.UncompressedInBlock<ID>	build() Builds a ALS.UncompressedInBlock.

Methods inherited from class Object

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

Constructor Detail

ALS.UncompressedInBlockBuilder

public ALS.UncompressedInBlockBuilder(ALS.LocalIndexEncoder encoder,
                              scala.reflect.ClassTag<ID> evidence$6,
                              scala.math.Ordering<ID> ord)

Method Detail

add

public ALS.UncompressedInBlockBuilder<ID> add(int dstBlockId,
                                     Object srcIds,
                                     int[] dstLocalIndices,
                                     float[] ratings)

Adds a dst block of (srcId, dstLocalIndex, rating) tuples.

Parameters:

dstBlockId - dst block ID

srcIds - original src IDs

dstLocalIndices - dst local indices

ratings - ratings

build

public ALS.UncompressedInBlock<ID> build()

Builds a ALS.UncompressedInBlock.