eus.ixa.ixa.pipe.ml.document.features

Class DocumentFeatureAggregator

java.lang.Object

eus.ixa.ixa.pipe.ml.document.features.DocumentFeatureAggregator

All Implemented Interfaces:

DocumentFeatureGenerator

public class DocumentFeatureAggregator
extends Object
implements DocumentFeatureGenerator

The DocumentFeatureAggregator aggregates a set of DocumentFeatureGenerators and calls them to generate the features.

Constructor Summary

Constructors

Constructor and Description
DocumentFeatureAggregator(Collection<DocumentFeatureGenerator> generators)
DocumentFeatureAggregator(DocumentFeatureGenerator... generators) Initializes the current instance.

Method Summary

Modifier and Type	Method and Description
void	clearFeatureData() Calls the DocumentFeatureGenerator.clearFeatureData() method on all aggregated DocumentFeatureGenerators.
void	createFeatures(List<String> features, String[] tokens) Calls the DocumentFeatureGenerator.createFeatures(List, String[]) method on all aggregated DocumentFeatureGenerators.
Collection<DocumentFeatureGenerator>	getGenerators() Retrieves a Collections of all aggregated DocumentFeatureGenerators.

Methods inherited from class java.lang.Object

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

Constructor Detail

DocumentFeatureAggregator

public DocumentFeatureAggregator(DocumentFeatureGenerator... generators)

Initializes the current instance.

Parameters:

generators - array of generators, null values are not permitted

DocumentFeatureAggregator

public DocumentFeatureAggregator(Collection<DocumentFeatureGenerator> generators)

Method Detail

clearFeatureData

public void clearFeatureData()

Calls the DocumentFeatureGenerator.clearFeatureData() method on all aggregated DocumentFeatureGenerators.

Specified by:

clearFeatureData in interface DocumentFeatureGenerator

createFeatures

public void createFeatures(List<String> features,
                           String[] tokens)

Calls the DocumentFeatureGenerator.createFeatures(List, String[]) method on all aggregated DocumentFeatureGenerators.

Specified by:

createFeatures in interface DocumentFeatureGenerator

Parameters:

features - the list of features

tokens - the text fragments to extract features from

getGenerators

public Collection<DocumentFeatureGenerator> getGenerators()

Retrieves a Collections of all aggregated DocumentFeatureGenerators.

Returns:

all aggregated generators