java/src/org/apache/qetest/NullDatalet.java

/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2001-2003 The Apache Software Foundation.  All rights 
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
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 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
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 *    distribution.
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 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:  
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
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 * 4. The names "Xalan" and "Apache Software Foundation" must
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 * 5. Products derived from this software may not be called "Apache",
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 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 2000, Lotus
 * Development Corporation., http://www.lotus.com.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

/*
 *
 * NullDatalet.java
 *
 */
package org.apache.qetest;

import java.util.Hashtable;

/**
 * A default implementation of a Datalet with no data points.  
 * "Conversation... is the art of never appearing a bore, of 
 * knowing how to say everything interestingly, to entertain with 
 * no matter what, to be charming with nothing at all."  
 * -- Guy de Maupassant, <u>Sur l'Eau</u>
 * 
 * @author Shane_Curcuru@lotus.com
 * @version $Id$
 */
public class NullDatalet implements Datalet
{

    /**
     * Default no-arg, no-op constructor.  
     */
    public NullDatalet() { } // no-op


    /**
     * Accesor method for a brief description of this NullDatalet.  
     *
     * @return String "NullDatalet: no data contained".
     */
    public String getDescription()
    {
        return "NullDatalet: no data contained";
    }


    /**
     * Accesor method for a brief description of this NullDatalet.  
     *
     * @param s unused, you cannot set our description
     */
    public void setDescription(String s) { } // no-op


    /**
     * Load fields of this NullDatalet from a Hashtable.
     *
     * @param Hashtable unused, you cannot set our fields
     */
    public void load(Hashtable h) { } // no-op


    /**
     * Load fields of this NullDatalet from an array.
     *
     * @param args unused, you cannot set our fields
     */
    public void load(String[] args) { } // no-op


}  // end of class NullDatalet