/**
* Checks for duplicates within {@link #variableValue}. This is a workaround for the problem that
* container values currently do not check for duplicate values while adding/setting values.
*
* @param value the new value
* @param allowedPos an allowed position in case of value replacements, may be negative in order
* to indicate that there is no such position
* @throws ValueDoesNotMatchTypeException in case of a duplicate in a Set
*/
private void checkForDuplicates(Value value, int allowedPos)
throws ValueDoesNotMatchTypeException {
if (null != variableValue
&& Set.TYPE.isAssignableFrom(getVariable().getDeclaration().getType())) {
int index = variableValue.indexOf(value);
if (index >= 0) {
if (allowedPos < 0 || index != allowedPos) {
throw new ValueDoesNotMatchTypeException(
"Duplicate constraint is not allowed",
ValueDoesNotMatchTypeException.NOT_ALLOWED_VALUE_STRUCTURE);
}
}
}
}
