blob: aa99e8e4e6d02d01d20b76be27795472ced30c76 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
package de.lmu.ifi.dbs.elki.index;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2015
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import de.lmu.ifi.dbs.elki.database.query.distance.DistanceQuery;
import de.lmu.ifi.dbs.elki.database.query.knn.KNNQuery;
/**
* Index with support for kNN queries.
*
* @author Erich Schubert
*
* @apiviz.landmark
* @apiviz.excludeSubtypes
* @apiviz.has KNNQuery oneway - - «provides»
*
* @param <O> Object type
*/
public interface KNNIndex<O> extends Index {
/**
* Get a KNN query object for the given distance query and k.
*
* This function MAY return null, when the given distance is not supported!
*
* @param distanceQuery Distance query
* @param hints Hints for the optimizer
* @return KNN Query object or {@code null}
*/
KNNQuery<O> getKNNQuery(DistanceQuery<O> distanceQuery, Object... hints);
}
|
