timeperiod.java

来自「jfreechart安装程序和使用说明」· Java 代码 · 共 66 行

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2004, 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.]
 *
 * ---------------
 * TimePeriod.java
 * ---------------
 * (C) Copyright 2003 by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: TimePeriod.java,v 1.1 2004/08/31 15:34:17 mungady Exp $
 *
 * Changes
 * -------
 * 10-Jan-2003 : Version 1 (DG);
 * 13-Mar-2003 : Moved to com.jrefinery.data.time package (DG);
 *
 */

package org.jfree.data.time;

import java.util.Date;

/**
 * A period of time measured to millisecond precision using <code>java.util.Date</code>.
 *
 */
public interface TimePeriod {

    /**
     * Returns the start date/time.
     *
     * @return the start date/time.
     */
    public Date getStart();

    /**
     * Returns the end date/time.
     *
     * @return the end date/time.
     */
    public Date getEnd();

}