org.apache.lucene.spatial.prefix
Class PointPrefixTreeFieldCacheProvider

java.lang.Object
  org.apache.lucene.spatial.util.ShapeFieldCacheProvider<com.spatial4j.core.shape.Point>
      org.apache.lucene.spatial.prefix.PointPrefixTreeFieldCacheProvider

public class PointPrefixTreeFieldCacheProvider
extends ShapeFieldCacheProvider<com.spatial4j.core.shape.Point>

Implementation of ShapeFieldCacheProvider designed for PrefixTreeStrategys. Note, due to the fragmented representation of Shapes in these Strategies, this implementation can only retrieve the central Point of the original Shapes.

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

Field Summary

Fields inherited from class org.apache.lucene.spatial.util.ShapeFieldCacheProvider

defaultSize, shapeField

Constructor Summary

PointPrefixTreeFieldCacheProvider(SpatialPrefixTree grid, String shapeField, int defaultSize)

Method Summary

protected com.spatial4j.core.shape.Point

readShape(BytesRef term)

Methods inherited from class org.apache.lucene.spatial.util.ShapeFieldCacheProvider

getCache

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PointPrefixTreeFieldCacheProvider

public PointPrefixTreeFieldCacheProvider(SpatialPrefixTree grid,
                                         String shapeField,
                                         int defaultSize)

Method Detail

readShape

protected com.spatial4j.core.shape.Point readShape(BytesRef term)

Specified by:

readShape in class ShapeFieldCacheProvider<com.spatial4j.core.shape.Point>