org.apache.lucene.search.similarities
Class LMSimilarity.LMStats

java.lang.Object
  extended by org.apache.lucene.search.similarities.Similarity.SimWeight
      extended by org.apache.lucene.search.similarities.BasicStats
          extended by org.apache.lucene.search.similarities.LMSimilarity.LMStats
Enclosing class:
LMSimilarity

public static class LMSimilarity.LMStats
extends BasicStats

Stores the collection distribution of the current term.


Field Summary
 
Fields inherited from class org.apache.lucene.search.similarities.BasicStats
avgFieldLength, docFreq, numberOfDocuments, numberOfFieldTokens, queryBoost, topLevelBoost, totalBoost, totalTermFreq
 
Constructor Summary
LMSimilarity.LMStats(String field, float queryBoost)
          Creates LMStats for the provided field and query-time boost
 
Method Summary
 float getCollectionProbability()
          Returns the probability that the current term is generated by the collection.
 void setCollectionProbability(float collectionProbability)
          Sets the probability that the current term is generated by the collection.
 
Methods inherited from class org.apache.lucene.search.similarities.BasicStats
getAvgFieldLength, getDocFreq, getNumberOfDocuments, getNumberOfFieldTokens, getTotalBoost, getTotalTermFreq, getValueForNormalization, normalize, rawNormalizationValue, setAvgFieldLength, setDocFreq, setNumberOfDocuments, setNumberOfFieldTokens, setTotalTermFreq
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

LMSimilarity.LMStats

public LMSimilarity.LMStats(String field,
                            float queryBoost)
Creates LMStats for the provided field and query-time boost

Method Detail

getCollectionProbability

public final float getCollectionProbability()
Returns the probability that the current term is generated by the collection.


setCollectionProbability

public final void setCollectionProbability(float collectionProbability)
Sets the probability that the current term is generated by the collection.



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