/**
* Generate a DA using the Algorithm
* Throws LimitReachedException if a limit is set (>0) and
* there are more states in the generated DA than the limit.
* @param algo the algorithm
* @param da_result the DA where the result is stored
* (has to have same APSet as the nba)
* @param limit a limit for the number of states (0 disables the limit).
*/
public void convert(SafraAlgorithm algo, DRA da_result, int limit)
{
/** The hash map from DA_State to StateInterface */
StateMapper <StateInterface, DA_State> state_mapper = new StateMapper <StateInterface, DA_State>();
APSet ap_set = da_result.getAPSet();////////////************where dose this dra have ap_set?
if (algo.checkEmpty())
{
da_result.constructEmpty();
return;
}
//typedef typename DA_t::state_type da_state_t;
//typedef typename Algorithm_t::state_t algo_state_t;
//typedef typename Algorithm_t::result_t algo_result_t;
//* Creates new acceptance pairs according to da_result's acceptance.
algo.prepareAcceptance(da_result.acceptance());////*********don't understand well
StateInterface start = algo.getStartState();
DA_State start_state = da_result.newState();/////************?? what is in this newState?
start.generateAcceptance(start_state.acceptance());
if (_detailed_states)
{
start_state.setDescription(start.toHTML());
}
state_mapper.add(start, start_state);
da_result.setStartState(start_state);
//typedef std::pair<algo_state_t, da_state_t*> unprocessed_value;
Stack <KeyValuePair <StateInterface, DA_State> > unprocessed = new Stack <KeyValuePair <StateInterface, DA_State> >();
unprocessed.Push(new KeyValuePair <StateInterface, DA_State>(start, start_state));
while (unprocessed.Count > 0)
{
KeyValuePair <StateInterface, DA_State> top = unprocessed.Pop();
//unprocessed.pop();
StateInterface cur = top.Key; //safratreeNode
DA_State from = top.Value; //DA_state
//for (APSet::element_iterator it_elem = ap_set.all_elements_begin(); it_elem != ap_set.all_elements_end(); ++it_elem)
for (int it_elem = ap_set.all_elements_begin(); it_elem != ap_set.all_elements_end(); ++it_elem) ///from 0 to 2^ap_set.size
{
APElement elem = new APElement(it_elem); /////////set simpleBitset = it_elem
ResultStateInterface <SafraTree> result = algo.delta(cur as SafraTree, elem); /////get a new safraTree through elem
DA_State to = state_mapper.find(result.getState());
if (to == null)////////////////result is not in state mapper.
{
to = da_result.newState();
result.getState().generateAcceptance(to.acceptance());
if (_detailed_states)
{
to.setDescription(result.getState().toHTML());
}
state_mapper.add(result.getState(), to);
unprocessed.Push(new KeyValuePair <StateInterface, DA_State>(result.getState(), to));
}
from.edges().set(elem, to);//////////////add this edge.
if (limit != 0 && da_result.size() > limit)
{
throw new LimitReachedException("");
}
}
}
}
//typedef typename DA_t::state_type da_state_t;
//typedef typename Algorithm_t::state_t algo_state_t;
//typedef typename Algorithm_t::result_t algo_result_t;
//typedef TreeWithAcceptance<algo_state_t, typename Acceptance::signature_type> stuttered_state_t;
//typedef typename stuttered_state_t::ptr stuttered_state_ptr_t;
//typedef std::pair<stuttered_state_ptr_t, da_state_t*> unprocessed_value_t;
//typedef std::stack<unprocessed_value_t> unprocessed_stack_t;
/** Convert the NBA to the DA */
public void convert()
{
APSet ap_set = _da_result.getAPSet();
if (_algo.checkEmpty())
{
_da_result.constructEmpty();
return;
}
_algo.prepareAcceptance(_da_result.acceptance());
TreeWithAcceptance s_start = new TreeWithAcceptance(_algo.getStartState());
DA_State start_state = _da_result.newState();
s_start.generateAcceptance(start_state.acceptance());
if (_detailed_states)
{
//start_state->setDescription(s_start->toHTML());
start_state.setDescription("hahahahah");
}
_state_mapper.add(s_start, start_state);
_da_result.setStartState(start_state);
Stack <KeyValuePair <TreeWithAcceptance, DA_State> > unprocessed;
_unprocessed.Push(new KeyValuePair <TreeWithAcceptance, DA_State>(s_start, start_state));
bool all_insensitive = _stutter_information.isCompletelyInsensitive();
BitSet partial_insensitive = _stutter_information.getPartiallyInsensitiveSymbols();
while (_unprocessed.Count > 0)
{
KeyValuePair <TreeWithAcceptance, DA_State> top = _unprocessed.Pop();
//_unprocessed.pop();
TreeWithAcceptance from = top.Key;
DA_State da_from = top.Value;
//for (APSet::element_iterator it_elem=ap_set.all_elements_begin();it_elem!=ap_set.all_elements_end();++it_elem)
for (int it_elem = ap_set.all_elements_begin(); it_elem != ap_set.all_elements_end(); ++it_elem)
{
APElement elem = new APElement(it_elem);
if (da_from.edges().get(elem) == null)
{
// the edge was not yet calculated...
if (!all_insensitive && partial_insensitive.get(it_elem) == null)
{
// can't stutter for this symbol, do normal step
UnionState next_tree = _algo.delta(from.getTree() as UnionState, elem).getState();
TreeWithAcceptance next_state = new TreeWithAcceptance(next_tree);
add_transition(da_from, next_state, elem);
continue;
}
// normal stuttering...
calc_delta(from, da_from, elem);
if (_limit != 0 && _da_result.size() > _limit)
{
//THROW_EXCEPTION(LimitReachedException, "");
throw new Exception("LimitReachedException");
}
}
}
}
}
/**
* Generate a DA using the Algorithm
* Throws LimitReachedException if a limit is set (>0) and
* there are more states in the generated DA than the limit.
* @param algo the algorithm
* @param da_result the DA where the result is stored
* (has to have same APSet as the nba)
* @param limit a limit for the number of states (0 disables the limit).
*/
public void convert(DAUnionAlgorithm algo, DRA da_result, int limit)
{
StateMapper <StateInterface, DA_State> state_mapper = new StateMapper <StateInterface, DA_State>();
APSet ap_set = da_result.getAPSet();
if (algo.checkEmpty())
{
da_result.constructEmpty();
return;
}
//typedef typename DA_t::state_type da_state_t;
//typedef typename Algorithm_t::state_t algo_state_t;
//typedef typename Algorithm_t::result_t algo_result_t;
algo.prepareAcceptance(da_result.acceptance());
StateInterface start = algo.getStartState();
DA_State start_state = da_result.newState();
start.generateAcceptance(start_state.acceptance());
if (_detailed_states)
{
start_state.setDescription(start.toHTML());
}
state_mapper.add(start, start_state);
da_result.setStartState(start_state);
//typedef std::pair<algo_state_t, da_state_t*> unprocessed_value;
Stack <KeyValuePair <StateInterface, DA_State> > unprocessed = new Stack <KeyValuePair <StateInterface, DA_State> >();
unprocessed.Push(new KeyValuePair <StateInterface, DA_State>(start, start_state));
while (unprocessed.Count > 0)
{
KeyValuePair <StateInterface, DA_State> top = unprocessed.Pop();
//unprocessed.pop();
StateInterface cur = top.Key;
DA_State from = top.Value;
//for (APSet::element_iterator it_elem = ap_set.all_elements_begin(); it_elem != ap_set.all_elements_end(); ++it_elem)
for (int it_elem = ap_set.all_elements_begin(); it_elem != ap_set.all_elements_end(); ++it_elem)
{
APElement elem = new APElement(it_elem);
ResultStateInterface <UnionState> result = algo.delta(cur as UnionState, elem);
DA_State to = state_mapper.find(result.getState());
if (to == null)
{
to = da_result.newState();
result.getState().generateAcceptance(to.acceptance());
if (_detailed_states)
{
to.setDescription(result.getState().toHTML());
}
state_mapper.add(result.getState(), to);
unprocessed.Push(new KeyValuePair <StateInterface, DA_State>(result.getState(), to));
}
from.edges().set(elem, to);
if (limit != 0 && da_result.size() > limit)
{
throw new LimitReachedException("");
}
}
}
}