Module org.apache.lucene.sandbox

Package org.apache.lucene.sandbox.search

Class MultiRangeQuery.RangeTree

java.lang.Object

org.apache.lucene.sandbox.search.MultiRangeQuery.RangeTree

All Implemented Interfaces:

MultiRangeQuery.Relatable

Enclosing class:

MultiRangeQuery

private static class MultiRangeQuery.RangeTree
extends Object
implements MultiRangeQuery.Relatable

An interval tree of Ranges for speeding up computations

Field Summary

Fields

Modifier and Type	Field	Description
private final int	bytesPerDim
private final ArrayUtil.ByteArrayComparator	comparator
private final MultiRangeQuery.Range	component	Range of this tree node
private MultiRangeQuery.RangeTree	left	Left child, it can be null
private final byte[]	maxPackedValue	maximum value contained in this range sub-tree
private final int	numIndexDim
private MultiRangeQuery.RangeTree	right	Right child, it can be null
private final int	split	which dimension was this node split on

Constructor Summary

Constructors

Modifier	Constructor	Description
private	RangeTree(MultiRangeQuery.Range component, int split, ArrayUtil.ByteArrayComparator comparator, int numIndexDim, int bytesPerDim)

Method Summary

Modifier and Type	Method	Description
boolean	matches(byte[] packedValue)	return true if the provided point is inside the range
PointValues.Relation	relate(byte[] minPackedValue, byte[] maxPackedValue)	return the relation between this range and the provided range

Methods inherited from class java.lang.Object

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

Field Details

maxPackedValue

private final byte[] maxPackedValue

maximum value contained in this range sub-tree

left

private MultiRangeQuery.RangeTree left

Left child, it can be null

right

private MultiRangeQuery.RangeTree right

Right child, it can be null

split

private final int split

which dimension was this node split on

component

private final MultiRangeQuery.Range component

Range of this tree node

comparator

private final ArrayUtil.ByteArrayComparator comparator

numIndexDim

private final int numIndexDim

bytesPerDim

private final int bytesPerDim

Constructor Details

RangeTree

private RangeTree(MultiRangeQuery.Range component,
 int split,
 ArrayUtil.ByteArrayComparator comparator,
 int numIndexDim,
 int bytesPerDim)

Method Details

matches

public boolean matches(byte[] packedValue)

Description copied from interface: MultiRangeQuery.Relatable

return true if the provided point is inside the range

Specified by:

matches in interface MultiRangeQuery.Relatable

relate

public PointValues.Relation relate(byte[] minPackedValue,
 byte[] maxPackedValue)

Description copied from interface: MultiRangeQuery.Relatable

return the relation between this range and the provided range

Specified by:

relate in interface MultiRangeQuery.Relatable