edu.illinois.cs.cogcomp.edison.features

Class FeatureCollection

java.lang.Object

edu.illinois.cs.cogcomp.edison.features.FeatureCollection

All Implemented Interfaces:

FeatureExtractor

Direct Known Subclasses:

CachedFeatureCollection, ContextFeatureExtractor

public class FeatureCollection
extends Object
implements FeatureExtractor

A feature set. This feature extractor can chain several other feature extractors.

Author:

Vivek Srikumar

Field Summary

Fields

Modifier and Type	Field and Description
protected List<FeatureExtractor>	generators

Constructor Summary

Constructors

Constructor and Description
FeatureCollection(String name) Create a new feature extractor.
FeatureCollection(String name, FeatureExtractor... feats)
FeatureCollection(String name, FeatureInputTransformer inputTransformer)
FeatureCollection(String name, FeatureInputTransformer inputTransformer, FeatureExtractor... feats)

Method Summary

Modifier and Type	Method and Description
void	addFeatureExtractor(FeatureExtractor f)
Set<Feature>	getFeatures(Constituent c)
String	getName()

Methods inherited from class java.lang.Object

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

Field Detail

generators

protected final List<FeatureExtractor> generators

Constructor Detail

FeatureCollection

public FeatureCollection(String name)

Create a new feature extractor. By itself, it does not generate any features. Use FeatureExtractor#addFeatureGenerator(IFeatureExtractor)) to add feature generators.

FeatureCollection

public FeatureCollection(String name,
                         FeatureExtractor... feats)

FeatureCollection

public FeatureCollection(String name,
                         FeatureInputTransformer inputTransformer,
                         FeatureExtractor... feats)

FeatureCollection

public FeatureCollection(String name,
                         FeatureInputTransformer inputTransformer)

Method Detail

addFeatureExtractor

public void addFeatureExtractor(FeatureExtractor f)

getFeatures

public Set<Feature> getFeatures(Constituent c)
                         throws EdisonException

Specified by:

getFeatures in interface FeatureExtractor

Throws:

EdisonException

getName

public String getName()

Specified by:

getName in interface FeatureExtractor