Java tutorial
/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jfreechart/index.html * * This library 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 2.1 of the License, or * (at your option) any later version. * * This library 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 this library; if not, write to the Free Software Foundation, * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * ------------------- * SignalsDataset.java * ------------------- * (C) Copyright 2002-2004, by Sylvain Vieujot and Contributors. * * Original Author: Sylvain Vieujot; * Contributor(s): David Gilbert (for Object Refinery Limited); * * $Id: SignalsDataset.java,v 1.3 2005/03/28 19:44:01 mungady Exp $ * * Changes * ------- * 08-Jan-2002 : Version 1 (SV); * 07-Oct-2002 : Added Javadocs (DG); */ package org.jfree.data.xy; /** * An interface that adds signal information to an {@link XYDataset}. * * @author Sylvain Vieujot */ public interface SignalsDataset extends XYDataset { /** Useful constant indicating trade recommendation. */ public static final int ENTER_LONG = 1; /** Useful constant indicating trade recommendation. */ public static final int ENTER_SHORT = -1; /** Useful constant indicating trade recommendation. */ public static final int EXIT_LONG = 2; /** Useful constant indicating trade recommendation. */ public static final int EXIT_SHORT = -2; /** * Returns the type. * * @param series the series (zero-based index). * @param item the item (zero-based index). * * @return The type. */ public int getType(int series, int item); /** * Returns the level. * * @param series the series (zero-based index). * @param item the item (zero-based index). * * @return The level. */ public double getLevel(int series, int item); }