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Diffstat (limited to 'src/de/lmu/ifi/dbs/elki/evaluation/scores/adapter/SimpleAdapter.java')
-rw-r--r-- | src/de/lmu/ifi/dbs/elki/evaluation/scores/adapter/SimpleAdapter.java | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/evaluation/scores/adapter/SimpleAdapter.java b/src/de/lmu/ifi/dbs/elki/evaluation/scores/adapter/SimpleAdapter.java new file mode 100644 index 00000000..beb301a8 --- /dev/null +++ b/src/de/lmu/ifi/dbs/elki/evaluation/scores/adapter/SimpleAdapter.java @@ -0,0 +1,89 @@ +package de.lmu.ifi.dbs.elki.evaluation.scores.adapter; +/* + This file is part of ELKI: + Environment for Developing KDD-Applications Supported by Index-Structures + + Copyright (C) 2014 + 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.ids.DBIDIter; +import de.lmu.ifi.dbs.elki.database.ids.DBIDRef; +import de.lmu.ifi.dbs.elki.evaluation.scores.ScoreEvaluation.ScoreIter; + +/** + * This adapter can be used for an arbitrary collection of Integers, and uses + * that id1.compareTo(id2) != 0 for id1 != id2 to satisfy the comparability. + * + * Note that of course, no id should occur more than once. + * + * The ROC values would be incorrect then anyway! + * + * @author Erich Schubert + * + * @apiviz.composedOf DBIDIter + */ +public class SimpleAdapter implements ScoreIter, DBIDRefIter { + /** + * Original Iterator + */ + private DBIDIter iter; + + /** + * Constructor + * + * @param iter Iterator for object IDs + */ + public SimpleAdapter(DBIDIter iter) { + super(); + this.iter = iter; + } + + @Override + public boolean valid() { + return iter.valid(); + } + + @Override + public SimpleAdapter advance() { + iter.advance(); + return this; + } + + @Override + public boolean tiedToPrevious() { + return false; // No information. + } + + @Deprecated + @Override + public int hashCode() { + return super.hashCode(); + } + + @Deprecated + @Override + public boolean equals(Object obj) { + return super.equals(obj); + } + + @Override + public DBIDRef getRef() { + return iter; + } +}
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