116 lines
4.5 KiB

#include "src/storage/jani/Edge.h"
#include "src/storage/jani/Model.h"
#include "src/utility/macros.h"
#include "src/exceptions/InvalidArgumentException.h"
namespace storm {
namespace jani {
Edge::Edge(uint64_t sourceLocationIndex, uint64_t actionIndex, boost::optional<storm::expressions::Expression> const& rate, storm::expressions::Expression const& guard, std::vector<EdgeDestination> destinations) : sourceLocationIndex(sourceLocationIndex), actionIndex(actionIndex), rate(rate), guard(guard), destinations(destinations), assignments(), writtenGlobalVariables() {
// Intentionally left empty.
}
uint64_t Edge::getSourceLocationIndex() const {
return sourceLocationIndex;
}
uint64_t Edge::getActionIndex() const {
return actionIndex;
}
bool Edge::hasRate() const {
return static_cast<bool>(rate);
}
storm::expressions::Expression const& Edge::getRate() const {
return rate.get();
}
void Edge::setRate(storm::expressions::Expression const& rate) {
this->rate = rate;
}
storm::expressions::Expression const& Edge::getGuard() const {
return guard;
}
void Edge::setGuard(storm::expressions::Expression const& guard) {
this->guard = guard;
}
std::vector<EdgeDestination> const& Edge::getDestinations() const {
return destinations;
}
std::vector<EdgeDestination>& Edge::getDestinations() {
return destinations;
}
void Edge::addDestination(EdgeDestination const& destination) {
destinations.push_back(destination);
}
OrderedAssignments const& Edge::getAssignments() const {
return assignments;
}
void Edge::substitute(std::map<storm::expressions::Variable, storm::expressions::Expression> const& substitution) {
this->setGuard(this->getGuard().substitute(substitution));
if (this->hasRate()) {
this->setRate(this->getRate().substitute(substitution));
}
for (auto& assignment : this->getAssignments()) {
assignment.substitute(substitution);
}
for (auto& destination : this->getDestinations()) {
destination.substitute(substitution);
}
}
void Edge::finalize(Model const& containingModel) {
for (auto const& destination : getDestinations()) {
for (auto const& assignment : destination.getAssignments()) {
if (containingModel.getGlobalVariables().hasVariable(assignment.getExpressionVariable())) {
writtenGlobalVariables.insert(assignment.getExpressionVariable());
}
}
}
}
bool Edge::addTransientAssignment(Assignment const& assignment) {
STORM_LOG_THROW(assignment.isTransient(), storm::exceptions::InvalidArgumentException, "Must not add non-transient assignment to location.");
return assignments.add(assignment);
}
void Edge::liftTransientDestinationAssignments() {
if (!destinations.empty()) {
auto const& destination = *destinations.begin();
for (auto const& assignment : destination.getTransientAssignments()) {
// Check if we can lift the assignment to the edge.
bool canBeLifted = true;
for (auto const& destination : destinations) {
if (!destination.hasAssignment(assignment)) {
canBeLifted = false;
break;
}
}
// If so, remove the assignment from all destinations.
if (canBeLifted) {
this->addTransientAssignment(assignment);
for (auto& destination : destinations) {
destination.removeAssignment(assignment);
}
}
}
}
}
boost::container::flat_set<storm::expressions::Variable> const& Edge::getWrittenGlobalVariables() const {
return writtenGlobalVariables;
}
}
}