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package de.lmu.ifi.dbs.elki.index.tree.spatial.rstarvariants.rstar;
/*
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.data.NumberVector;
import de.lmu.ifi.dbs.elki.database.relation.Relation;
import de.lmu.ifi.dbs.elki.index.tree.spatial.SpatialEntry;
import de.lmu.ifi.dbs.elki.index.tree.spatial.rstarvariants.AbstractRStarTreeFactory;
import de.lmu.ifi.dbs.elki.index.tree.spatial.rstarvariants.AbstractRTreeSettings;
import de.lmu.ifi.dbs.elki.persistent.PageFile;
import de.lmu.ifi.dbs.elki.persistent.PageFileFactory;
import de.lmu.ifi.dbs.elki.utilities.Alias;
/**
* Factory for regular R*-Trees.
*
* @author Erich Schubert
* @since 0.4.0
*
* @apiviz.landmark factory
* @apiviz.uses RStarTreeIndex oneway - - «create»
*
* @param <O> Object type
*/
@Alias({"rstar", "r*"})
public class RStarTreeFactory<O extends NumberVector> extends AbstractRStarTreeFactory<O, RStarTreeNode, SpatialEntry, RStarTreeIndex<O>, AbstractRTreeSettings> {
/**
* Constructor.
*
* @param pageFileFactory Data storage
* @param settings Tree settings
*/
public RStarTreeFactory(PageFileFactory<?> pageFileFactory, AbstractRTreeSettings settings) {
super(pageFileFactory, settings);
}
@Override
public RStarTreeIndex<O> instantiate(Relation<O> relation) {
PageFile<RStarTreeNode> pagefile = makePageFile(getNodeClass());
return new RStarTreeIndex<>(relation, pagefile, settings);
}
protected Class<RStarTreeNode> getNodeClass() {
return RStarTreeNode.class;
}
/**
* Parameterization class.
*
* @author Erich Schubert
*
* @apiviz.exclude
*
* @param <O> Object type
*/
public static class Parameterizer<O extends NumberVector> extends AbstractRStarTreeFactory.Parameterizer<O, AbstractRTreeSettings> {
@Override
protected RStarTreeFactory<O> makeInstance() {
return new RStarTreeFactory<>(pageFileFactory, settings);
}
@Override
protected AbstractRTreeSettings createSettings() {
return new AbstractRTreeSettings();
}
}
}
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