/*
 * Copyright (C) 2008-2015 by Holger Arndt
 *
 * This file is part of the Universal Java Matrix Package (UJMP).
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership and licensing.
 *
 * UJMP 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.
 *
 * UJMP 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 UJMP; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301  USA
 */

package org.ujmp.core.util.matrices;

import org.ujmp.core.longmatrix.stub.AbstractDenseLongMatrix2D;

public class MemoryUsageMatrix extends AbstractDenseLongMatrix2D {
	private static final long serialVersionUID = -3863745960302379726L;

	public MemoryUsageMatrix() {
		super(3, 1);
		setLabel("Memory Usage");
		setColumnLabel(0, "Bytes");
		setRowLabel(0, "Free Memory");
		setRowLabel(1, "Max Memory");
		setRowLabel(2, "Total Memory");
	}

	public long getLong(int row, int column) {
		switch (row) {
		case 0:
			return Runtime.getRuntime().freeMemory();
		case 1:
			return Runtime.getRuntime().maxMemory();
		default:
			return Runtime.getRuntime().totalMemory();
		}
	}

	public long getLong(long row, long column) {
		switch ((int) row) {
		case 0:
			return Runtime.getRuntime().freeMemory();
		case 1:
			return Runtime.getRuntime().maxMemory();
		default:
			return Runtime.getRuntime().totalMemory();
		}
	}

	public void setLong(long value, long row, long column) {
	}

	public void setLong(long value, int row, int column) {
	}

	public boolean isReadOnly() {
		return true;
	}

}