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package de.lmu.ifi.dbs.elki.database.ids;
/*
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/>.
*/
/**
* Set-oriented implementation of a modifiable DBID collection.
*
* @author Erich Schubert
* @since 0.4.0
*/
public interface HashSetModifiableDBIDs extends HashSetDBIDs, ModifiableDBIDs {
/**
* Retain all elements that also are in the second set.
*
* @param set second set
* @return true when modified
*/
boolean retainAll(DBIDs set);
// To help the compilers...
@Override
DBIDMIter iter();
}
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