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package de.lmu.ifi.dbs.elki.datasource.filter;
/*
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.data.NumberVector;
import de.lmu.ifi.dbs.elki.data.type.SimpleTypeInformation;
/**
* Abstract base class for streaming filters that produce vectors.
*
* @author Erich Schubert
*
* @param <I> Input type
* @param <O> Output vector type
*/
public abstract class AbstractVectorStreamConversionFilter<I, O extends NumberVector<?>> extends AbstractStreamConversionFilter<I, O> {
/**
* Number vector factory.
*/
protected NumberVector.Factory<O, ?> factory;
/**
* Initialize factory from a data type.
*
* @param type Output data type information.
*/
protected void initializeOutputType(SimpleTypeInformation<O> type) {
factory = FilterUtil.guessFactory(type);
}
}
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