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package de.lmu.ifi.dbs.elki.algorithm.outlier.spatial.neighborhood;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2013
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.type.TypeInformation;
import de.lmu.ifi.dbs.elki.database.ids.DBIDRef;
import de.lmu.ifi.dbs.elki.database.ids.DBIDs;
import de.lmu.ifi.dbs.elki.database.relation.Relation;
import de.lmu.ifi.dbs.elki.result.Result;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.Parameterizable;
/**
* Predicate to obtain the neighbors of a reference object as set.
*
* @author Erich Schubert
*/
public interface NeighborSetPredicate extends Result {
/**
* Get the neighbors of a reference object for DBSCAN.
*
* @param reference Reference object
* @return Neighborhood
*/
public DBIDs getNeighborDBIDs(DBIDRef reference);
/**
* Factory interface to produce instances.
*
* @author Erich Schubert
*
* @apiviz.stereotype factory
* @apiviz.has NeighborSetPredicate
*
* @param <O> Input relation object type restriction
*/
public static interface Factory<O> extends Parameterizable {
/**
* Instantiation method.
*
* @param relation Relation to instantiate for.
*
* @return instance
*/
public NeighborSetPredicate instantiate(Relation<? extends O> relation);
/**
* Get the input type information
*
* @return input type
*/
public TypeInformation getInputTypeRestriction();
}
}
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