org.apache.lucene.spatial.util
Class CachedDistanceValueSource

java.lang.Object
  extended by org.apache.lucene.queries.function.ValueSource
      extended by org.apache.lucene.spatial.util.CachedDistanceValueSource

public class CachedDistanceValueSource
extends ValueSource

An implementation of the Lucene ValueSource model to support spatial relevance ranking.


Constructor Summary
CachedDistanceValueSource(com.spatial4j.core.shape.Point from, com.spatial4j.core.distance.DistanceCalculator calc, ShapeFieldCacheProvider<com.spatial4j.core.shape.Point> provider)
           
 
Method Summary
 String description()
           
 boolean equals(Object o)
           
 FunctionValues getValues(Map context, AtomicReaderContext readerContext)
           
 int hashCode()
           
 
Methods inherited from class org.apache.lucene.queries.function.ValueSource
createWeight, getSortField, newContext, toString
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

CachedDistanceValueSource

public CachedDistanceValueSource(com.spatial4j.core.shape.Point from,
                                 com.spatial4j.core.distance.DistanceCalculator calc,
                                 ShapeFieldCacheProvider<com.spatial4j.core.shape.Point> provider)
Method Detail

description

public String description()
Specified by:
description in class ValueSource

getValues

public FunctionValues getValues(Map context,
                                AtomicReaderContext readerContext)
                         throws IOException
Specified by:
getValues in class ValueSource
Throws:
IOException

equals

public boolean equals(Object o)
Specified by:
equals in class ValueSource

hashCode

public int hashCode()
Specified by:
hashCode in class ValueSource


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