Package org.apache.lucene.spatial.prefix.tree

# Class S2PrefixTree.Factory

java.lang.Object
org.apache.lucene.spatial.prefix.tree.SpatialPrefixTreeFactory
org.apache.lucene.spatial.prefix.tree.S2PrefixTree.Factory

Enclosing class:
  `S2PrefixTree`

protected static class S2PrefixTree.Factory extends SpatialPrefixTreeFactory
Factory for creating `S2PrefixTree` 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, VERSION`

## Constructor Summary

Constructors
Modifier
Constructor
Description
`protected`
`Factory()`

## Method Summary

Modifier and Type
Method
Description
`protected int`
`getLevelForDistance(double degrees)`
Calls `SpatialPrefixTree.getLevelForDistance(double)`.
`protected SpatialPrefixTree`
`newSPT()`

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

`getVersion, init, initMaxLevels, initVersion, makeSPT, setVersion`

### Methods inherited from class java.lang.Object

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

## Constructor Details

### Factory

protected Factory()

## Method Details

### 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`