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;
24 * choose from a set of values provided in configuration as
25 * xxx.class = IntChoiceFromSet
26 * xxx.values = {1, 2, 3, 400}
27 * where "xxx" is the choice id.
29 * choices can then made using: getInt("xxx");
31 public class IntChoiceFromSet extends IntChoiceFromList {
34 * @param conf JPF configuration object
35 * @param id name used in choice config
37 public IntChoiceFromSet(Config conf, String id) {
42 /* Remove duplicate values; currently implemented as iteration
43 * on array to avoid heavyweight TreeSet */
44 private void removeDuplicates() {
45 int len = values.length;
46 for (int i = 0; i < len; i++) {
49 if (values[i] - values[j] == 0) { // strange comparison to avoid unboxing
50 values[j] = values[len - 1];
52 // don't increment j as new element has been placed there and needs to be re-tested
58 if (len < values.length) {
59 Integer[] uniqVals = new Integer[len];
60 System.arraycopy(values, 0, uniqVals, 0, len);
65 public IntChoiceFromSet(String id, int... val){
72 public Integer[] getAllChoices() {
76 /** super constructor for subclasses that want to configure themselves
78 * @param id name used in choice config
80 protected IntChoiceFromSet(String id){