TabularData.java

/*
 * TabularData.java
 *
 * Copyright (c) 2002-2015 Alexei Drummond, Andrew Rambaut and Marc Suchard
 *
 * This file is part of BEAST.
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership and licensing.
 *
 * BEAST is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 *  BEAST 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with BEAST; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301  USA
 */

package dr.util;

/**
 * Tabular data provider
 *
 *  A very modest start. will evolve further according to needs.
 *
 * @author Joseph Heled
 */
public abstract class TabularData {
    public abstract int nColumns();

    public abstract String columnName(int nColumn);

    public abstract int nRows();

    public abstract Object data(int nRow, int nColumn);

    /**
     * Get column by name
     * @param name
     * @return
     */
    public int getColumn(String name) {
        for(int n = 0; n < nColumns(); ++n) {
            if( columnName(n).equals(name) ) {
                return n;
            }
        }
        return -1;
    }
}