opennlp.tools.util.featuregen
Class PrefixFeatureGenerator

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

All Implemented Interfaces:

AdaptiveFeatureGenerator

public class PrefixFeatureGenerator
extends FeatureGeneratorAdapter

Constructor Summary

PrefixFeatureGenerator()

Method Summary

void	createFeatures(List<String> features, String[] tokens, int index, 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.
static String[]	getPrefixes(String lex)

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

PrefixFeatureGenerator

public PrefixFeatureGenerator()

Method Detail

getPrefixes

public static String[] getPrefixes(String lex)

createFeatures

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

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.