Package opennlp.tools.util.featuregen

Class DocumentBeginFeatureGenerator

java.lang.Object

opennlp.tools.util.featuregen.DocumentBeginFeatureGenerator

All Implemented Interfaces:

AdaptiveFeatureGenerator

public class DocumentBeginFeatureGenerator
extends java.lang.Object
implements AdaptiveFeatureGenerator

Constructor Summary

Constructors

Constructor	Description
DocumentBeginFeatureGenerator()

Method Summary

Modifier and Type	Method	Description
void	clearAdaptiveData()	Informs the feature generator that the context of the adaptive data (typically a document) is no longer valid.
void	createFeatures(java.util.List<java.lang.String> features, java.lang.String[] tokens, int index, java.lang.String[] previousOutcomes)	Adds the appropriate features for the token at the specified index with the specified array of previous outcomes to the specified list of features.

Methods inherited from class java.lang.Object

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

Methods inherited from interface opennlp.tools.util.featuregen.AdaptiveFeatureGenerator

updateAdaptiveData

Constructor Detail

DocumentBeginFeatureGenerator

public DocumentBeginFeatureGenerator()

Method Detail

createFeatures

public void createFeatures(java.util.List<java.lang.String> features,
                           java.lang.String[] tokens,
                           int index,
                           java.lang.String[] previousOutcomes)

Description copied from interface: AdaptiveFeatureGenerator

Adds the appropriate features for the token at the specified index with the specified array of previous outcomes to the specified list of features.

Specified by:

createFeatures in interface AdaptiveFeatureGenerator

Parameters:

features - The list of features to be added to.

tokens - The tokens of the sentence or other text unit being processed.

index - The index of the token which is currently being processed.

previousOutcomes - The outcomes for the tokens prior to the specified index.

clearAdaptiveData

public void clearAdaptiveData()

Description copied from interface: AdaptiveFeatureGenerator

Informs the feature generator that the context of the adaptive data (typically a document) is no longer valid.

Specified by:

clearAdaptiveData in interface AdaptiveFeatureGenerator