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java.lang.Objectopennlp.tools.util.featuregen.CachedFeatureGenerator
public class CachedFeatureGenerator
Caches features of the aggregated AdaptiveFeatureGenerators.
| Constructor Summary | |
|---|---|
CachedFeatureGenerator(AdaptiveFeatureGenerator... generators)
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| Method Summary | |
|---|---|
void |
clearAdaptiveData()
Informs the feature generator that the context of the adaptive data (typically a document) is no longer valid. |
void |
createFeatures(List<String> features,
String[] tokens,
int index,
String[] previousOutcomes)
Adds the appropriate features for the token at the specified index with the specified array of previous outcomes to the specified list of features. |
long |
getNumberOfCacheHits()
Retrieves the number of times a cache hit occurred. |
long |
getNumberOfCacheMisses()
Retrieves the number of times a cache miss occurred. |
String |
toString()
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void |
updateAdaptiveData(String[] tokens,
String[] outcomes)
Informs the feature generator that the specified tokens have been classified with the corresponding set of specified outcomes. |
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
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public CachedFeatureGenerator(AdaptiveFeatureGenerator... generators)
| Method Detail |
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public void createFeatures(List<String> features,
String[] tokens,
int index,
String[] previousOutcomes)
AdaptiveFeatureGenerator
createFeatures in interface AdaptiveFeatureGeneratorfeatures - 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.
public void updateAdaptiveData(String[] tokens,
String[] outcomes)
AdaptiveFeatureGenerator
updateAdaptiveData in interface AdaptiveFeatureGeneratortokens - The tokens of the sentence or other text unit which has been processed.outcomes - The outcomes associated with the specified tokens.public void clearAdaptiveData()
AdaptiveFeatureGenerator
clearAdaptiveData in interface AdaptiveFeatureGeneratorpublic long getNumberOfCacheHits()
public long getNumberOfCacheMisses()
public String toString()
toString in class Object
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