org.apache.lucene.spatial.util
Class ShapeFieldCacheDistanceValueSource
java.lang.Object
org.apache.lucene.queries.function.ValueSource
org.apache.lucene.spatial.util.ShapeFieldCacheDistanceValueSource
public class ShapeFieldCacheDistanceValueSource
- extends ValueSource
An implementation of the Lucene ValueSource that returns the spatial distance
between an input point and a document's points in
ShapeFieldCacheProvider
. The shortest distance is returned if a
document has more than one point.
- NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.
ShapeFieldCacheDistanceValueSource
public ShapeFieldCacheDistanceValueSource(com.spatial4j.core.context.SpatialContext ctx,
ShapeFieldCacheProvider<com.spatial4j.core.shape.Point> provider,
com.spatial4j.core.shape.Point from,
double multiplier)
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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