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package de.lmu.ifi.dbs.elki.database.query.similarity;
/*
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 de.lmu.ifi.dbs.elki.database.ids.DBIDRef;
import de.lmu.ifi.dbs.elki.database.relation.Relation;
import de.lmu.ifi.dbs.elki.distance.distancevalue.Distance;
/**
* Run a database query in a database context.
*
* @author Erich Schubert
*
* @param <O> Database object type.
* @param <D> Distance result type.
*/
public abstract class AbstractDBIDSimilarityQuery<O, D extends Distance<D>> extends AbstractSimilarityQuery<O, D> {
/**
* Constructor.
*
* @param relation Relation to use.
*/
public AbstractDBIDSimilarityQuery(Relation<? extends O> relation) {
super(relation);
}
@Override
public D similarity(O o1, DBIDRef id2) {
throw new UnsupportedOperationException("This distance function can only be used for objects when referenced by ID.");
}
@Override
public D similarity(DBIDRef id1, O o2) {
throw new UnsupportedOperationException("This distance function can only be used for objects when referenced by ID.");
}
@Override
public D similarity(O o1, O o2) {
throw new UnsupportedOperationException("This distance function can only be used for objects when referenced by ID.");
}
}
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