org.apache.ignite.ml.dataset.feature.extractor.impl

Class BinaryObjectVectorizer<K>

java.lang.Object

org.apache.ignite.ml.dataset.feature.extractor.Vectorizer<K,V,C,Double>

org.apache.ignite.ml.dataset.feature.extractor.ExtractionUtils.DefaultLabelVectorizer<K,V,String>

org.apache.ignite.ml.dataset.feature.extractor.ExtractionUtils.StringCoordVectorizer<K,BinaryObject>

org.apache.ignite.ml.dataset.feature.extractor.impl.BinaryObjectVectorizer<K>

Type Parameters:

K - Type of key.

All Implemented Interfaces:

Serializable, BiFunction<K,BinaryObject,LabeledVector>, DeployableObject, IgniteBiFunction<K,BinaryObject,LabeledVector>, Preprocessor<K,BinaryObject>, FeatureLabelExtractor<K,BinaryObject,Double>

public final class BinaryObjectVectorizer<K>
extends ExtractionUtils.StringCoordVectorizer<K,BinaryObject>
implements DeployableObject

Vectorizer on binary objects.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BinaryObjectVectorizer.Mapping Feature values mapping for non-number features.

Nested classes/interfaces inherited from class org.apache.ignite.ml.dataset.feature.extractor.Vectorizer

Vectorizer.LabelCoordinate, Vectorizer.VectorizerAdapter<K,V,C extends Serializable,L>

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_VALUE Object for denoting default value of feature mapping.

Constructor Summary

Constructors

Constructor and Description
BinaryObjectVectorizer(String... coords) Creates an instance of Vectorizer.

Method Summary

Modifier and Type	Method and Description
protected List<String>	allCoords(K key, BinaryObject value) Returns list of all coordinate with feature values.
protected Vector	createVector(int size) Create an instance of vector.
protected Double	feature(String coord, K key, BinaryObject value) Extracts feature value by given coordinate.
List<Object>	getDependencies() Returns dependencies of this object that can be object with class defined by client side and unknown for server.
BinaryObjectVectorizer	withFeature(String coord, BinaryObjectVectorizer.Mapping valuesMapping) Sets values mapping for feature.

Methods inherited from class org.apache.ignite.ml.dataset.feature.extractor.ExtractionUtils.DefaultLabelVectorizer

label, zero

Methods inherited from class org.apache.ignite.ml.dataset.feature.extractor.Vectorizer

apply, exclude, extract, labeled, labeled

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ignite.ml.trainers.FeatureLabelExtractor

extractFeatures, extractLabel

Methods inherited from interface org.apache.ignite.ml.preprocessing.Preprocessor

map

Methods inherited from interface org.apache.ignite.ml.math.functions.IgniteBiFunction

andThen

Methods inherited from interface java.util.function.BiFunction

andThen

Field Detail

DEFAULT_VALUE

public static final String DEFAULT_VALUE

Object for denoting default value of feature mapping.

See Also:

Constant Field Values

Constructor Detail

BinaryObjectVectorizer

public BinaryObjectVectorizer(String... coords)

Creates an instance of Vectorizer.

Parameters:

coords - Coordinates.

Method Detail

withFeature

public BinaryObjectVectorizer withFeature(String coord,
                                          BinaryObjectVectorizer.Mapping valuesMapping)

Sets values mapping for feature.

Parameters:

coord - Feature coordinate.

valuesMapping - Mapping.

Returns:

this.

feature

protected Double feature(String coord,
                         K key,
                         BinaryObject value)

Extracts feature value by given coordinate.

Specified by:

feature in class Vectorizer<K,BinaryObject,String,Double>

Parameters:

coord - Coordinate.

key - Key.

value - Value.

Returns:

feature value.

allCoords

protected List<String> allCoords(K key,
                                 BinaryObject value)

Returns list of all coordinate with feature values.

Specified by:

allCoords in class Vectorizer<K,BinaryObject,String,Double>

Parameters:

key - Key.

value - Value.

Returns:

all coordinates list.

createVector

protected Vector createVector(int size)

Create an instance of vector.

Overrides:

createVector in class Vectorizer<K,BinaryObject,String,Double>

Parameters:

size - Vector size.

Returns:

vector.

getDependencies

public List<Object> getDependencies()

Returns dependencies of this object that can be object with class defined by client side and unknown for server.

Specified by:

getDependencies in interface DeployableObject