RowsPlotterCondition.java

/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2014 by RapidMiner and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapidminer.com
 *
 *  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/.
 */
package com.rapidminer.gui.plotter.conditions;

import com.rapidminer.datatable.DataTable;

/**
 * This condition accepts data tables with a number of rows in the specified range
 * (including the boundaries).
 * 
 * @author Ingo Mierswa
 */
public class RowsPlotterCondition implements PlotterCondition {

    private int minRows;
    private int maxRows;
    
    public RowsPlotterCondition(int maxRows) {
        this(0, maxRows);
    }
    
    public RowsPlotterCondition(int minRows, int maxRows) {
        this.minRows = minRows;
        this.maxRows = maxRows;
    }
    
    public boolean acceptDataTable(DataTable dataTable) {
        int numberOfRows = dataTable.getNumberOfRows();
        if ((numberOfRows >= minRows) && (numberOfRows <= maxRows))
            return true;
        else
            return false;
    }
    
    public String getRejectionReason(DataTable dataTable) {
        return "Data table must have between " + minRows + " and " + maxRows + " rows, was " + dataTable.getNumberOfRows() + ".";
    }
}