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package de.lmu.ifi.dbs.elki.datasource.parser;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2011
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 java.util.BitSet;
import java.util.regex.Pattern;
import de.lmu.ifi.dbs.elki.data.DoubleVector;
import de.lmu.ifi.dbs.elki.logging.Logging;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.parameterization.Parameterization;
/**
* <p>
* Provides a parser for parsing one point per line, attributes separated by
* whitespace.
* </p>
* <p>
* Several labels may be given per point. A label must not be parseable as
* double. Lines starting with "#" will be ignored.
* </p>
* <p/>
* <p>
* An index can be specified to identify an entry to be treated as class label.
* This index counts all entries (numeric and labels as well) starting with 0.
* </p>
*
* @author Arthur Zimek
*
* @apiviz.has DoubleVector
*
* @deprecated Use NumberVectorLabelParser instead, which defaults to DoubleVector.
*/
@Deprecated
public class DoubleVectorLabelParser extends NumberVectorLabelParser<DoubleVector> {
/**
* Class logger
*/
private static final Logging logger = Logging.getLogger(DoubleVectorLabelParser.class);
/**
* Constructor.
*
* @param colSep
* @param quoteChar
* @param labelIndices
*/
public DoubleVectorLabelParser(Pattern colSep, char quoteChar, BitSet labelIndices) {
super(colSep, quoteChar, labelIndices, DoubleVector.STATIC);
}
/**
* Constructor with default values.
*/
public DoubleVectorLabelParser() {
this(Pattern.compile(DEFAULT_SEPARATOR), QUOTE_CHAR, new BitSet());
}
@Override
protected Logging getLogger() {
return logger;
}
/**
* Parameterization class.
*
* @author Erich Schubert
*
* @apiviz.exclude
*/
public static class Parameterizer extends NumberVectorLabelParser.Parameterizer<DoubleVector> {
@Override
protected void getFactory(Parameterization config) {
// Do nothing: not used
}
@Override
protected DoubleVectorLabelParser makeInstance() {
return new DoubleVectorLabelParser(colSep, quoteChar, labelIndices);
}
}
}
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