org.tribuo.classification.sequence.viterbi

Class NoopFeatureExtractor

java.lang.Object

org.tribuo.classification.sequence.viterbi.NoopFeatureExtractor

All Implemented Interfaces:

com.oracle.labs.mlrg.olcut.config.Configurable, com.oracle.labs.mlrg.olcut.provenance.Provenancable<com.oracle.labs.mlrg.olcut.provenance.ConfiguredObjectProvenance>, Serializable, LabelFeatureExtractor

public class NoopFeatureExtractor
extends Object
implements LabelFeatureExtractor

A label feature extractor that doesn't produce any label based features.

It always returns Collections.emptyList().

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
NoopFeatureExtractor()

Method Summary

Modifier and Type	Method and Description
List<Feature>	extractFeatures(List<Label> previousOutcomes, double value) Generates features based on the previously produced labels.
com.oracle.labs.mlrg.olcut.provenance.ConfiguredObjectProvenance	getProvenance()
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.oracle.labs.mlrg.olcut.config.Configurable

postConfig

Constructor Detail

NoopFeatureExtractor

public NoopFeatureExtractor()

Method Detail

extractFeatures

public List<Feature> extractFeatures(List<Label> previousOutcomes,
                                     double value)

Description copied from interface: LabelFeatureExtractor

Generates features based on the previously produced labels.

Specified by:

extractFeatures in interface LabelFeatureExtractor

Parameters:

previousOutcomes - The previous step's labels.

value - The value to give to the features.

Returns:

Features.

toString

public String toString()

Overrides:

toString in class Object

getProvenance

public com.oracle.labs.mlrg.olcut.provenance.ConfiguredObjectProvenance getProvenance()

Specified by:

getProvenance in interface com.oracle.labs.mlrg.olcut.provenance.Provenancable<com.oracle.labs.mlrg.olcut.provenance.ConfiguredObjectProvenance>