org.apache.lucene.spatial.vector
Class DistanceValueSource

java.lang.Object
  extended by org.apache.lucene.queries.function.ValueSource
      extended by org.apache.lucene.spatial.vector.DistanceValueSource

public class DistanceValueSource
extends ValueSource

An implementation of the Lucene ValueSource model that returns the distance for a PointVectorStrategy.

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

Constructor Summary
DistanceValueSource(PointVectorStrategy strategy, com.spatial4j.core.shape.Point from, double multiplier)
          Constructor.
 
Method Summary
 String description()
          Returns the ValueSource description.
 boolean equals(Object o)
           
 FunctionValues getValues(Map context, AtomicReaderContext readerContext)
          Returns the FunctionValues used by the function query.
 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

DistanceValueSource

public DistanceValueSource(PointVectorStrategy strategy,
                           com.spatial4j.core.shape.Point from,
                           double multiplier)
Constructor.

Method Detail

description

public String description()
Returns the ValueSource description.

Specified by:
description in class ValueSource

getValues

public FunctionValues getValues(Map context,
                                AtomicReaderContext readerContext)
                         throws IOException
Returns the FunctionValues used by the function query.

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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