/*=============================================================================#
# Copyright (c) 2009-2016 Stephan Wahlbrink (WalWare.de) and others.
# All rights reserved. This program and the accompanying materials
# are made available under the terms of either (per the licensee's choosing)
# - the Eclipse Public License v1.0
# which accompanies this distribution, and is available at
# http://www.eclipse.org/legal/epl-v10.html, or
# - the GNU Lesser General Public License v2.1 or newer
# which accompanies this distribution, and is available at
# http://www.gnu.org/licenses/lgpl.html
#
# Contributors:
# Stephan Wahlbrink - initial API and implementation
#=============================================================================*/
package de.walware.rj.data;
/**
* Interface for R data stores of type {@link RStore#FACTOR}.
* <p>
* An R data store implements this interface if the R function
* <code>class(object)</code> returns 'factor'.</p>
*/
public interface RFactorStore extends RIntegerStore {
// TODO Docu && Constructors (-> 1-based codes)
// TODO getFactorName(code) for 1-based code
boolean isOrdered();
RCharacterStore getLevels();
int getLevelCount();
// void addLevel(final String label);
// void renameLevel(final String oldLabel, final String newLabel);
// void insertLevel(final int position, final String label);
// void removeLevel(final String label);
RCharacterStore toCharacterData();
}