summaryrefslogtreecommitdiff
path: root/src/de/lmu/ifi/dbs/elki/utilities/referencepoints/ReferencePointsHeuristic.java
blob: 70114a324060beadf8da706caab44e010a8d449f (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
package de.lmu.ifi.dbs.elki.utilities.referencepoints;

/*
 This file is part of ELKI:
 Environment for Developing KDD-Applications Supported by Index-Structures

 Copyright (C) 2012
 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 java.util.Collection;

import de.lmu.ifi.dbs.elki.database.relation.Relation;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.Parameterizable;

/**
 * Simple Interface for an heuristic to pick reference points.
 * 
 * @author Erich Schubert
 * 
 * @param <O> Object type
 */
public interface ReferencePointsHeuristic<O> extends Parameterizable {
  /**
   * Get the reference points for the given database.
   * 
   * @param db Database
   * @return Collection of reference points.
   */
  public <T extends O> Collection<O> getReferencePoints(Relation<T> db);
}