- Add exception checking to ConcreteSimulation::jump_to()

git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@1054 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
tchernobog 2006-09-07 21:26:41 +00:00
parent 45a72aa0a8
commit e4d359304c
4 changed files with 19 additions and 11 deletions

View File

@ -72,12 +72,11 @@ ConcreteSimulation::jump_to(History::position p) throw(UserInterruptException, N
} }
// Disable momentarily updates for registered observers on // Disable momentarily updates for registered observers on
// sgpem::Simulation too. // sgpem::Simulation and sgpem::History.
set_notify_enabled(false); bool his_enabled = _history.set_notify_enabled(false);
pause(); bool sim_enabled = set_notify_enabled(false);
// Disable updates to registered observers pause();
_history.set_notify_enabled(false);
bool yet_to_finish = true; bool yet_to_finish = true;
History::position increment = 0; History::position increment = 0;
@ -88,10 +87,12 @@ ConcreteSimulation::jump_to(History::position p) throw(UserInterruptException, N
yet_to_finish = step(); yet_to_finish = step();
increment++; increment++;
} }
catch(...) catch(const CPUPolicyException&)
{ {
// FIXME: manage exceptions! Lookout that notifications // Lookout that notifications have to be re-enabled.
// have to be re-enabled. _history.set_notify_enabled(his_enabled);
set_notify_enabled(sim_enabled);
throw;
} }
} }
get_history().set_front(std::min(p, _history.get_size())); get_history().set_front(std::min(p, _history.get_size()));
@ -100,11 +101,11 @@ ConcreteSimulation::jump_to(History::position p) throw(UserInterruptException, N
// Reenables updates to registered observers. // Reenables updates to registered observers.
// Calls _history.notify_change() on reactivation. // Calls _history.notify_change() on reactivation.
_history.set_notify_enabled(true); _history.set_notify_enabled(his_enabled);
// Do the same for notifications on the state // Do the same for notifications on the state
// of Simulation // of Simulation
set_notify_enabled(true); set_notify_enabled(sim_enabled);
} }

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@ -179,6 +179,7 @@ namespace sgpem
* \return The old value * \return The old value
*/ */
virtual bool set_notify_enabled(bool enabled = true); virtual bool set_notify_enabled(bool enabled = true);
bool is_notify_enabled() const;
protected: protected:
typedef std::vector<SimulationObserver*> RegisteredObservers; typedef std::vector<SimulationObserver*> RegisteredObservers;

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@ -88,3 +88,9 @@ Simulation::set_notify_enabled(bool enabled)
return old_value; return old_value;
} }
bool
Simulation::is_notify_enabled() const
{
return _notify;
}