Package opennlp.tools.util.featuregen

# Class PreviousMapFeatureGenerator

java.lang.Object
opennlp.tools.util.featuregen.PreviousMapFeatureGenerator

All Implemented Interfaces:
  `opennlp.tools.util.featuregen.AdaptiveFeatureGenerator`

@ThreadSafe public class PreviousMapFeatureGenerator extends Object implements opennlp.tools.util.featuregen.AdaptiveFeatureGenerator
This `AdaptiveFeatureGenerator` generates features indicating the outcome associated with a previously occurring word.

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `PreviousMapFeatureGenerator()`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `clearAdaptiveData()`
  `void`
  `createFeatures(List<String> features, String[] tokens, int index, String[] preds)`
  `void`
  `updateAdaptiveData(String[] tokens, String[] outcomes)`
  Generates previous decision features for the token based on contents of the previous map.

  ### Methods inherited from class java.lang.Object

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

- ## Constructor Details

  - ### PreviousMapFeatureGenerator

    public PreviousMapFeatureGenerator()

- ## Method Details

  - ### createFeatures

    public void createFeatures(List<String> features, String[] tokens, int index, String[] preds)
    Specified by:
      `createFeatures` in interface `opennlp.tools.util.featuregen.AdaptiveFeatureGenerator`

  - ### updateAdaptiveData

    public void updateAdaptiveData(String[] tokens, String[] outcomes)
    Generates previous decision features for the token based on contents of the previous map.
    Specified by:
      `updateAdaptiveData` in interface `opennlp.tools.util.featuregen.AdaptiveFeatureGenerator`
    Parameters:
      `tokens` - The tokens of the sentence or other text unit which has been processed.
      `outcomes` - The outcomes associated with the specified tokens.

  - ### clearAdaptiveData

    public void clearAdaptiveData()
    Specified by:
      `clearAdaptiveData` in interface `opennlp.tools.util.featuregen.AdaptiveFeatureGenerator`