//
// Copyright (C) 2006 United States Government as represented by the
// Administrator of the National Aeronautics and Space Administration
// (NASA). All Rights Reserved.
//
// This software is distributed under the NASA Open Source Agreement
// (NOSA), version 1.3. The NOSA has been approved by the Open Source
// Initiative. See the file NOSA-1.3-JPF at the top of the distribution
// directory tree for the complete NOSA document.
//
// THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
// KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
// LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
// SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
// A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
// THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
// DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
//
package gov.nasa.jpf.vm.choice;
import gov.nasa.jpf.Config;
import gov.nasa.jpf.JPFException;
import gov.nasa.jpf.vm.IntChoiceGenerator;
/**
* @author jpenix
*
* choose from a set of values provided in configuration as
* xxx.class = IntChoiceFromList
* xxx.values = {1, 2, 3, 400}
* where "xxx" is the choice id.
*
* choices can then made using: getInt("xxx");
*/
public class IntChoiceFromList extends NumberChoiceFromList<Integer> implements IntChoiceGenerator {
protected Integer[] createValueArray(int len){
return new Integer[len];
}
protected Integer getDefaultValue() {
return 0;
}
public Class<Integer> getChoiceType(){
return Integer.class;
}
protected Integer parseLiteral (String literal, int sign){
int val = Integer.parseInt(literal);
return new Integer( val * sign);
}
protected Integer newValue (Number num, int sign){
return new Integer( num.intValue() * sign);
}
/**
* super constructor for subclasses that want to configure themselves
* @param id name used in choice config
*/
protected IntChoiceFromList(String id){
super(id);
}
protected IntChoiceFromList (String id, Integer[] vals){
super(id, vals);
}
public IntChoiceFromList(Config conf, String id) {
super(conf, id);
}
public IntChoiceFromList(String id, int... val){
super(id);
if (val != null){
values = new Integer[val.length];
for (int i=0; i<val.length; i++){
values[i] = val[i]; // enable use of cached Integer values
}
} else {
throw new JPFException("empty set for IntChoiceFromList");
}
count = -1;
}
}