2 * Copyright (C) 2014, United States Government, as represented by the
3 * Administrator of the National Aeronautics and Space Administration.
6 * The Java Pathfinder core (jpf-core) platform is licensed under the
7 * Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0.
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.
18 package gov.nasa.jpf.vm.choice;
20 import gov.nasa.jpf.Config;
21 import gov.nasa.jpf.JPFException;
22 import gov.nasa.jpf.vm.IntChoiceGenerator;
26 * choose from a set of values provided in configuration as
27 * xxx.class = IntChoiceFromList
28 * xxx.values = {1, 2, 3, 400}
29 * where "xxx" is the choice id.
31 * choices can then made using: getInt("xxx");
33 public class IntChoiceFromList extends NumberChoiceFromList<Integer> implements IntChoiceGenerator {
37 protected Integer[] createValueArray(int len){
38 return new Integer[len];
41 protected Integer getDefaultValue() {
46 public Class<Integer> getChoiceType(){
51 protected Integer parseLiteral (String literal, int sign){
52 int val = Integer.parseInt(literal);
53 return new Integer( val * sign);
57 protected Integer newValue (Number num, int sign){
58 return new Integer( num.intValue() * sign);
62 * super constructor for subclasses that want to configure themselves
63 * @param id name used in choice config
65 protected IntChoiceFromList(String id){
69 protected IntChoiceFromList (String id, Integer[] vals){
73 public IntChoiceFromList(Config conf, String id) {
77 public IntChoiceFromList(String id, int... val){
81 values = new Integer[val.length];
82 for (int i=0; i<val.length; i++){
83 values[i] = val[i]; // enable use of cached Integer values
86 throw new JPFException("empty set for IntChoiceFromList");