opennlp.tools.util.featuregen
Class TokenFeatureGenerator

java.lang.Object
  opennlp.tools.util.featuregen.FeatureGeneratorAdapter
      opennlp.tools.util.featuregen.TokenFeatureGenerator

All Implemented Interfaces:

AdaptiveFeatureGenerator

public class TokenFeatureGenerator
extends FeatureGeneratorAdapter

Generates a feature which contains the token itself.

Constructor Summary

TokenFeatureGenerator()

TokenFeatureGenerator(boolean lowercase)

Method Summary

void	createFeatures(List<String> features, String[] tokens, int index, String[] preds) 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 opennlp.tools.util.featuregen.FeatureGeneratorAdapter

clearAdaptiveData, updateAdaptiveData

Methods inherited from class java.lang.Object

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

Constructor Detail

TokenFeatureGenerator

public TokenFeatureGenerator(boolean lowercase)

TokenFeatureGenerator

public TokenFeatureGenerator()

Method Detail

createFeatures

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

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.

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.

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