Package opennlp.tools.util.featuregen
Class TokenClassFeatureGenerator
java.lang.Object
opennlp.tools.util.featuregen.TokenClassFeatureGenerator
- All Implemented Interfaces:
AdaptiveFeatureGenerator
Generates features for the class of a token.
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Constructor Summary
ConstructorsConstructorDescriptionInitalizes aTokenClassFeatureGeneratorwhich won't generate thew&cfeature per token.TokenClassFeatureGenerator(boolean generateWordAndClassFeature) Initalizes aTokenClassFeatureGenerator. -
Method Summary
Modifier and TypeMethodDescriptionvoidcreateFeatures(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.Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface opennlp.tools.util.featuregen.AdaptiveFeatureGenerator
clearAdaptiveData, updateAdaptiveData
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Constructor Details
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TokenClassFeatureGenerator
public TokenClassFeatureGenerator()Initalizes aTokenClassFeatureGeneratorwhich won't generate thew&cfeature per token. -
TokenClassFeatureGenerator
public TokenClassFeatureGenerator(boolean generateWordAndClassFeature) Initalizes aTokenClassFeatureGenerator.- Parameters:
generateWordAndClassFeature- Iftruethew&cfeature will be generated per token,falseotherwise.
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Method Details
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createFeatures
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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