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Diffstat (limited to 'src/de/lmu/ifi/dbs/elki/distance/distancefunction/subspace/DimensionSelectingSubspaceDistanceFunction.java')
-rw-r--r-- | src/de/lmu/ifi/dbs/elki/distance/distancefunction/subspace/DimensionSelectingSubspaceDistanceFunction.java | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/distance/distancefunction/subspace/DimensionSelectingSubspaceDistanceFunction.java b/src/de/lmu/ifi/dbs/elki/distance/distancefunction/subspace/DimensionSelectingSubspaceDistanceFunction.java new file mode 100644 index 00000000..acc24bf7 --- /dev/null +++ b/src/de/lmu/ifi/dbs/elki/distance/distancefunction/subspace/DimensionSelectingSubspaceDistanceFunction.java @@ -0,0 +1,52 @@ +package de.lmu.ifi.dbs.elki.distance.distancefunction.subspace; + +/* + 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.BitSet; + +import de.lmu.ifi.dbs.elki.distance.distancevalue.Distance; +import de.lmu.ifi.dbs.elki.distance.distancefunction.DistanceFunction; + +/** + * Interface for dimension selecting subspace distance functions. + * + * @author Erich Schubert + * + * @param <O> Object type + * @param <D> Distance value + */ +public interface DimensionSelectingSubspaceDistanceFunction<O, D extends Distance<D>> extends DistanceFunction<O, D> { + /** + * Returns a bit set representing the selected dimensions. + * + * @return a bit set representing the selected dimensions + */ + public BitSet getSelectedDimensions(); + + /** + * Sets the selected dimensions according to the set bits in the given BitSet. + * + * @param dimensions a BitSet designating the new selected dimensions + */ + public void setSelectedDimensions(BitSet dimensions); +} |