/**
* Clones the object Makes a deep copy of the Valivalues form references are set to null;
*
* @return
*/
public Object clone() throws CloneNotSupportedException {
Question copy = null;
copy = (Question) super.clone();
// make the copy a little deeper
if (getValidValues() != null) {
List validValuesCopy = new ArrayList();
ListIterator it = getValidValues().listIterator();
while (it.hasNext()) {
FormValidValue validValue = (FormValidValue) it.next();
FormValidValue clonedValidValue = (FormValidValue) validValue.clone();
clonedValidValue.setQuestion(copy);
validValuesCopy.add(clonedValidValue);
}
copy.setValidValues(validValuesCopy);
copy.setForm(null);
copy.setModule(null);
}
if (getInstructions() != null) {
List instructionsCopy = new ArrayList();
ListIterator it = getInstructions().listIterator();
while (it.hasNext()) {
Instruction instr = (Instruction) it.next();
Instruction instrClone = (Instruction) instr.clone();
instructionsCopy.add(instrClone);
}
copy.setInstructions(instructionsCopy);
}
return copy;
}
