de.lmu.ifi.dbs.elki.index.tree.metrical.mtreevariants.query

Class MTreeQueryUtil

java.lang.Object

de.lmu.ifi.dbs.elki.index.tree.metrical.mtreevariants.query.MTreeQueryUtil

public final class MTreeQueryUtil
extends Object

Query utility classes for MTrees.

Author:

Erich Schubert

Constructor Summary

Constructors

Constructor and Description
MTreeQueryUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static <O> KNNQuery<O>	getKNNQuery(AbstractMTree<O,?,?,?> tree, DistanceQuery<O> distanceQuery, Object... hints) Get an RTree knn query, using an optimized double implementation when possible.
static <O> RangeQuery<O>	getRangeQuery(AbstractMTree<O,?,?,?> tree, DistanceQuery<O> distanceQuery, Object... hints) Get an RTree knn query, using an optimized double implementation when possible.

Methods inherited from class java.lang.Object

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

Constructor Detail

MTreeQueryUtil

public MTreeQueryUtil()

Method Detail

getKNNQuery

public static <O> KNNQuery<O> getKNNQuery(AbstractMTree<O,?,?,?> tree,
                          DistanceQuery<O> distanceQuery,
                          Object... hints)

Get an RTree knn query, using an optimized double implementation when possible.

Type Parameters:

O - Object type

Parameters:

tree - Tree to query

distanceQuery - distance query

hints - Optimizer hints

Returns:

Query object

getRangeQuery

public static <O> RangeQuery<O> getRangeQuery(AbstractMTree<O,?,?,?> tree,
                              DistanceQuery<O> distanceQuery,
                              Object... hints)

Get an RTree knn query, using an optimized double implementation when possible.

Type Parameters:

O - Object type

Parameters:

tree - Tree to query

distanceQuery - distance query

hints - Optimizer hints

Returns:

Query object