org.apache.lucene.facet.old
Class ScoringAggregator

java.lang.Object
  extended by org.apache.lucene.facet.old.ScoringAggregator
All Implemented Interfaces:
Aggregator

public class ScoringAggregator
extends Object
implements Aggregator

An Aggregator which updates the weight of a category according to the scores of the documents it was found in.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Constructor Summary
ScoringAggregator(float[] counterArray)
           
 
Method Summary
 void aggregate(int docID, float score, IntsRef ordinals)
          Aggregate the ordinals of the given document ID (and its score).
 boolean equals(Object obj)
           
 int hashCode()
           
 boolean setNextReader(AtomicReaderContext context)
          Sets the AtomicReaderContext for which Aggregator.aggregate(int, float, IntsRef) calls will be made.
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ScoringAggregator

public ScoringAggregator(float[] counterArray)
Method Detail

aggregate

public void aggregate(int docID,
                      float score,
                      IntsRef ordinals)
               throws IOException
Description copied from interface: Aggregator
Aggregate the ordinals of the given document ID (and its score). The given ordinals offset is always zero.

Specified by:
aggregate in interface Aggregator
Throws:
IOException

equals

public boolean equals(Object obj)
Overrides:
equals in class Object

hashCode

public int hashCode()
Overrides:
hashCode in class Object

setNextReader

public boolean setNextReader(AtomicReaderContext context)
                      throws IOException
Description copied from interface: Aggregator
Sets the AtomicReaderContext for which Aggregator.aggregate(int, float, IntsRef) calls will be made. If this method returns false, Aggregator.aggregate(int, float, IntsRef) should not be called for this reader.

Specified by:
setNextReader in interface Aggregator
Throws:
IOException


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