1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 /* 19 * $Id$ 20 */ 21 22 /* 23 * 24 * NullDatalet.java 25 * 26 */ 27 package org.apache.qetest; 28 29 import java.util.Hashtable; 30 31 /** 32 * A default implementation of a Datalet with no data points. 33 * "Conversation... is the art of never appearing a bore, of 34 * knowing how to say everything interestingly, to entertain with 35 * no matter what, to be charming with nothing at all." 36 * -- Guy de Maupassant, <u>Sur l'Eau</u> 37 * 38 * @author Shane_Curcuru@lotus.com 39 * @version $Id$ 40 */ 41 public class NullDatalet implements Datalet 42 { 43 44 /** 45 * Default no-arg, no-op constructor. 46 */ NullDatalet()47 public NullDatalet() { } // no-op 48 49 50 /** 51 * Accesor method for a brief description of this NullDatalet. 52 * 53 * @return String "NullDatalet: no data contained". 54 */ getDescription()55 public String getDescription() 56 { 57 return "NullDatalet: no data contained"; 58 } 59 60 61 /** 62 * Accesor method for a brief description of this NullDatalet. 63 * 64 * @param s unused, you cannot set our description 65 */ setDescription(String s)66 public void setDescription(String s) { } // no-op 67 68 69 /** 70 * Load fields of this NullDatalet from a Hashtable. 71 * 72 * @param Hashtable unused, you cannot set our fields 73 */ load(Hashtable h)74 public void load(Hashtable h) { } // no-op 75 76 77 /** 78 * Load fields of this NullDatalet from an array. 79 * 80 * @param args unused, you cannot set our fields 81 */ load(String[] args)82 public void load(String[] args) { } // no-op 83 84 85 } // end of class NullDatalet 86 87