Package opennlp.tools.util.featuregen
Class PreviousMapFeatureGenerator
- java.lang.Object
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- opennlp.tools.util.featuregen.PreviousMapFeatureGenerator
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- All Implemented Interfaces:
AdaptiveFeatureGenerator
public class PreviousMapFeatureGenerator extends Object implements AdaptiveFeatureGenerator
ThisAdaptiveFeatureGeneratorgenerates features indicating the outcome associated with a previously occurring word.
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Constructor Summary
Constructors Constructor Description PreviousMapFeatureGenerator()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidclearAdaptiveData()Informs a feature generator that the context of the adaptive data (typically a document) is no longer valid.voidcreateFeatures(List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)Adds the appropriate features for the token at the specifiedindexwith the specified array ofpreviousOutcomesto the specified list of features.voidupdateAdaptiveData(String[] tokens, String[] outcomes)Generates previous decision features for the token based on contents of the previous map.
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Method Detail
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createFeatures
public void createFeatures(List<String> features, String[] tokens, int index, String[] preds)
Description copied from interface:AdaptiveFeatureGeneratorAdds the appropriate features for the token at the specifiedindexwith the specified array ofpreviousOutcomesto the specified list of features.- 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
public void updateAdaptiveData(String[] tokens, String[] outcomes)
Generates previous decision features for the token based on contents of the previous map.- 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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