Package opennlp.tools.util.featuregen
Class PreviousTwoMapFeatureGenerator
java.lang.Object
opennlp.tools.util.featuregen.PreviousTwoMapFeatureGenerator
- All Implemented Interfaces:
AdaptiveFeatureGenerator
This
AdaptiveFeatureGenerator generates features indicating the
outcome associated with two previously occurring words.-
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidInforms a feature generator that the context of the adaptive data (typically a document) is no longer valid.voidcreateFeatures(List<String> features, String[] tokens, int index, String[] preds) Generates previous decision features for the token based on contents of the previous map.voidupdateAdaptiveData(String[] tokens, String[] outcomes) Informs a feature generator that the specified tokens have been classified with the corresponding set of specifiedoutcomes.
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Constructor Details
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PreviousTwoMapFeatureGenerator
public PreviousTwoMapFeatureGenerator()
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Method Details
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createFeatures
Generates previous decision features for the token based on contents of the previous map.- Specified by:
createFeaturesin interfaceAdaptiveFeatureGenerator- 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.
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updateAdaptiveData
Description copied from interface:AdaptiveFeatureGeneratorInforms a feature generator that the specified tokens have been classified with the corresponding set of specifiedoutcomes.- Specified by:
updateAdaptiveDatain interfaceAdaptiveFeatureGenerator- Parameters:
tokens- The tokens of the sentence or other text unit which has been processed.outcomes- The outcomes associated with the specified tokens.
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clearAdaptiveData
public void clearAdaptiveData()Description copied from interface:AdaptiveFeatureGeneratorInforms a feature generator that the context of the adaptive data (typically a document) is no longer valid.- Specified by:
clearAdaptiveDatain interfaceAdaptiveFeatureGenerator
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