/**
* Compares two states 'less-than' using the
* coloring, uses the bisimulation
* equivalence relation to determine
* equality.
*/
//bool operator()(int state_x, int state_y)
public bool comp(int state_x, int state_y)
{
int cx = _coloring.state2color(state_x);
int cy = _coloring.state2color(state_y);
if (cx < cy)
{
return(true);
}
else if (cx > cy)
{
return(false);
}
//for (APSet::element_iterator label= _dra.getAPSet().all_elements_begin();label!=_dra.getAPSet().all_elements_end();++label)
for (int label = _dra.getAPSet().all_elements_begin(); label != _dra.getAPSet().all_elements_end(); ++label)
{
DA_State to_x = _dra[state_x].edges().get(new APElement(label));
DA_State to_y = _dra[state_y].edges().get(new APElement(label));
int ctx = _coloring.state2color(to_x.getName());
int cty = _coloring.state2color(to_y.getName());
if (ctx < cty)
{
return(true);
}
else if (ctx > cty)
{
return(false);
}
}
// we get here only if x and y are equal with this
// coloring -> return false
return(false);
}
/**
* Generate a new DRA from a coloring
*/
DRA generateDRAfromColoring(DRA oldDRA, Coloring coloring, bool detailedStates)
{
DRA newDRA = oldDRA.createInstance(oldDRA.getAPSet()) as DRA;
newDRA.acceptance().newAcceptancePairs(oldDRA.acceptance().size());
for (int color = 0; color < coloring.countColors(); ++color)
{
newDRA.newState();
}
int old_start_state = oldDRA.getStartState().getName();
int start_state_color = coloring.state2color(old_start_state);
newDRA.setStartState(newDRA.get(start_state_color));
APSet apset = newDRA.getAPSet();
for (int color = 0; color < coloring.countColors(); ++color)
{
DA_State new_state = newDRA.get(color);
int old_state_representative = coloring.color2state(color);
DA_State old_state = oldDRA[old_state_representative];
if (detailedStates)
{
BitSet old_states = coloring.color2states(color);
// create new description...
if (old_states.cardinality() == 1)
{
if (old_state.hasDescription())
{
new_state.setDescription(old_state.getDescription());
}
}
else
{
//std::ostringstream s;
//s << "<TABLE BORDER=\"1\" CELLBORDER=\"0\"><TR><TD>{</TD>";
StringBuilder s = new StringBuilder(@"<TABLE BORDER=\""1\"" CELLBORDER=\""0\""><TR><TD>{</TD>");
bool first = true;
for (int it = BitSetIterator.start(old_states); it != BitSetIterator.end(old_states); it = BitSetIterator.increment(old_states, it))
{
if (first)
{
first = false;
}
else
{
s.Append("<TD>,</TD>");
}
s.Append("<TD>");
if (!oldDRA[it].hasDescription())
{
s.Append(it);
}
else
{
s.Append(oldDRA[it].getDescription());
}
s.Append("</TD>");
}
s.Append("<TD>}</TD></TR></TABLE>");
new_state.setDescription(s.ToString());
;
}
}
// Create appropriate acceptance conditions
int old_state_index = old_state.getName();
for (int i = 0; i < oldDRA.acceptance().size(); ++i)
{
if (oldDRA.acceptance().isStateInAcceptance_L(i, old_state_index))
{
new_state.acceptance().addTo_L(i);
}
if (oldDRA.acceptance().isStateInAcceptance_U(i, old_state_index))
{
new_state.acceptance().addTo_U(i);
}
}
//for (APSet::element_iterator label=apset.all_elements_begin();label!=apset.all_elements_end();++label)
for (int label = apset.all_elements_begin(); label != apset.all_elements_end(); ++label)
{
DA_State old_to = old_state.edges().get(new APElement(label));
int to_color = coloring.state2color(old_to.getName());
new_state.edges().addEdge(new APElement(label), newDRA.get(to_color));
}
}
return newDRA;
}
/**
* Generate a new DRA from a coloring
*/
DRA generateDRAfromColoring(DRA oldDRA, Coloring coloring, bool detailedStates)
{
DRA newDRA = oldDRA.createInstance(oldDRA.getAPSet()) as DRA;
newDRA.acceptance().newAcceptancePairs(oldDRA.acceptance().size());
for (int color = 0; color < coloring.countColors(); ++color)
{
newDRA.newState();
}
int old_start_state = oldDRA.getStartState().getName();
int start_state_color = coloring.state2color(old_start_state);
newDRA.setStartState(newDRA.get(start_state_color));
APSet apset = newDRA.getAPSet();
for (int color = 0; color < coloring.countColors(); ++color)
{
DA_State new_state = newDRA.get(color);
int old_state_representative = coloring.color2state(color);
DA_State old_state = oldDRA[old_state_representative];
if (detailedStates)
{
BitSet old_states = coloring.color2states(color);
// create new description...
if (old_states.cardinality() == 1)
{
if (old_state.hasDescription())
{
new_state.setDescription(old_state.getDescription());
}
}
else
{
//std::ostringstream s;
//s << "<TABLE BORDER=\"1\" CELLBORDER=\"0\"><TR><TD>{</TD>";
StringBuilder s = new StringBuilder(@"<TABLE BORDER=\""1\"" CELLBORDER=\""0\""><TR><TD>{</TD>");
bool first = true;
for (int it = BitSetIterator.start(old_states); it != BitSetIterator.end(old_states); it = BitSetIterator.increment(old_states, it))
{
if (first)
{
first = false;
}
else
{
s.Append("<TD>,</TD>");
}
s.Append("<TD>");
if (!oldDRA[it].hasDescription())
{
s.Append(it);
}
else
{
s.Append(oldDRA[it].getDescription());
}
s.Append("</TD>");
}
s.Append("<TD>}</TD></TR></TABLE>");
new_state.setDescription(s.ToString());
;
}
}
// Create appropriate acceptance conditions
int old_state_index = old_state.getName();
for (int i = 0; i < oldDRA.acceptance().size(); ++i)
{
if (oldDRA.acceptance().isStateInAcceptance_L(i, old_state_index))
{
new_state.acceptance().addTo_L(i);
}
if (oldDRA.acceptance().isStateInAcceptance_U(i, old_state_index))
{
new_state.acceptance().addTo_U(i);
}
}
//for (APSet::element_iterator label=apset.all_elements_begin();label!=apset.all_elements_end();++label)
for (int label = apset.all_elements_begin(); label != apset.all_elements_end(); ++label)
{
DA_State old_to = old_state.edges().get(new APElement(label));
int to_color = coloring.state2color(old_to.getName());
new_state.edges().addEdge(new APElement(label), newDRA.get(to_color));
}
}
return(newDRA);
}
