Package opennlp.tools.util.featuregen
Class CachedFeatureGenerator
java.lang.Object
opennlp.tools.util.featuregen.CachedFeatureGenerator
- All Implemented Interfaces:
AdaptiveFeatureGenerator
Caches features of the aggregated
generators.-
Constructor Summary
ConstructorsConstructorDescriptionCachedFeatureGenerator(AdaptiveFeatureGenerator generator) CachedFeatureGenerator(AdaptiveFeatureGenerator... generators) Deprecated. -
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TypeMethodDescriptionvoidInforms a feature generator that the context of the adaptive data (typically a document) is no longer valid.voidcreateFeatures(List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[] previousOutcomes) Adds the appropriate features for the token at the specifiedindexwith the specified array ofpreviousOutcomesto the specified list of features.longlongtoString()voidupdateAdaptiveData(String[] tokens, String[] outcomes) Informs a feature generator that the specified tokens have been classified with the corresponding set of specifiedoutcomes.
-
Constructor Details
-
CachedFeatureGenerator
Deprecated. -
CachedFeatureGenerator
-
-
Method Details
-
createFeatures
public void createFeatures(List<String> features, String[] tokens, int index, String[] previousOutcomes) 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.previousOutcomes- The outcomes for the tokens prior to the specified index.
-
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.
-
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a feature generator that the context of the adaptive data (typically a document) is no longer valid.- Specified by: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
-
getNumberOfCacheHits
public long getNumberOfCacheHits()- Returns:
- Retrieves the number of times a cache hit occurred.
-
getNumberOfCacheMisses
public long getNumberOfCacheMisses()- Returns:
- Retrieves the number of times a cache miss occurred.
-
toString
-
getCachedFeatureGenerator
-