org.apache.lucene.spatial.prefix.tree
Class QuadPrefixTree.Factory

java.lang.Object
  org.apache.lucene.spatial.prefix.tree.SpatialPrefixTreeFactory
      org.apache.lucene.spatial.prefix.tree.QuadPrefixTree.Factory

Enclosing class:

QuadPrefixTree

public static class QuadPrefixTree.Factory
extends SpatialPrefixTreeFactory

Factory for creating QuadPrefixTree instances with useful defaults

Field Summary

Fields inherited from class org.apache.lucene.spatial.prefix.tree.SpatialPrefixTreeFactory

args, ctx, MAX_DIST_ERR, MAX_LEVELS, maxLevels, PREFIX_TREE

Constructor Summary

QuadPrefixTree.Factory()

Method Summary

protected int	getLevelForDistance(double degrees) Calls SpatialPrefixTree.getLevelForDistance(double).
protected SpatialPrefixTree	newSPT()

Methods inherited from class org.apache.lucene.spatial.prefix.tree.SpatialPrefixTreeFactory

init, initMaxLevels, makeSPT

Methods inherited from class java.lang.Object

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

Constructor Detail

QuadPrefixTree.Factory

public QuadPrefixTree.Factory()

Method Detail

getLevelForDistance

protected int getLevelForDistance(double degrees)

Description copied from class: SpatialPrefixTreeFactory

Calls SpatialPrefixTree.getLevelForDistance(double).

Specified by:

getLevelForDistance in class SpatialPrefixTreeFactory

newSPT

protected SpatialPrefixTree newSPT()

Specified by:

newSPT in class SpatialPrefixTreeFactory