public void destroyTransition(State from, State to)
throws IllegalSymbolException, UnsupportedOperationException {
Alphabet a = stateAlphabet();
a.validate(from);
a.validate(to);
throw new UnsupportedOperationException("destroyTransition not supported by FlatModel");
}
private Character _tokenizeSymbol(Symbol s) throws IllegalSymbolException {
Character c = (Character) symbolsToCharacters.get(s);
if (c == null) {
Alphabet alpha = getAlphabet();
alphabet.validate(s);
if (alpha instanceof FiniteAlphabet) {
c =
(Character)
symbolsToCharacters.get(
AlphabetManager.getAllAmbiguitySymbol((FiniteAlphabet) alpha));
}
if (c == null) {
throw new IllegalSymbolException("No mapping for symbol " + s.getName());
}
}
return c;
}