protected void RaiseStateChange(EventHandler handler, ILQHsm hsm, LogStateEventArgs logEvent)
{
if (handler != null)
{
handler(hsm, logEvent);
}
}
protected void DoLifeCycleChange(IQHsmLifeCycleManager lifeCycleManager, ILQHsm hsm, QHsmLifeCycleChangeType lifeCycleChangeType)
{
if (OnLifeCycleChange (lifeCycleManager, hsm, lifeCycleChangeType))
{
RaiseLifeCycleChange (LifeCycleChange, lifeCycleManager, hsm, lifeCycleChangeType);
}
}
protected void DoLifeCycleChange(IQHsmLifeCycleManager lifeCycleManager, ILQHsm hsm, QHsmLifeCycleChangeType lifeCycleChangeType)
{
if (OnLifeCycleChange(lifeCycleManager, hsm, lifeCycleChangeType))
{
RaiseLifeCycleChange(LifeCycleChange, lifeCycleManager, hsm, lifeCycleChangeType);
}
}
private void _Hsm_StateChange_Internal(ILQHsm hsm, LogStateEventArgs ea)
{
string currentStateName = null;
string currentTransitionName = null;
switch (ea.LogType)
{
case StateLogType.EventTransition:
{
currentStateName = ea.State.Method.Name;
currentTransitionName = ea.EventDescription;
}
break;
case StateLogType.Init:
{
currentStateName = ea.NextState.Method.Name;
} break;
case StateLogType.Restored:
case StateLogType.Entry:
case StateLogType.Final:
{
currentStateName = ea.State.Method.Name;
} break;
}
if (currentStateName != null)
{
RefreshCurrentStateView(currentStateName, currentTransitionName);
}
}
private void _Hsm_StateChange(object sender, EventArgs e)
{
ILQHsm hsm = (ILQHsm)sender;
LogStateEventArgs sa = (LogStateEventArgs)e;
switch (sa.LogType)
{
case StateLogType.Init:
case StateLogType.Entry:
case StateLogType.Exit:
{
Logger.Info("StateChange: [{0} - {1}] {2} {3}", hsm.Id, hsm, sa.LogType, StateNameFrom(sa.State));
}
break;
case StateLogType.EventTransition:
{
Logger.Info("StateChange: [{0} - {1}] {2} {3} {4} {5}",
hsm.Id,
hsm,
sa.LogType,
StateNameFrom(sa.State),
StateNameFrom(sa.NextState), sa.EventDescription);
}
break;
default:
{
Logger.Info("StateChange(defaultHandler): [{0} - {1}] {2} {3}", hsm.Id, hsm, sa.LogType, StateNameFrom(sa.State));
} break;
}
}
private void _Hsm_StateChange(object sender, EventArgs e)
{
ILQHsm hsm = (ILQHsm)sender;
LogStateEventArgs ea = (LogStateEventArgs)e;
_Hsm_StateChange_RunInViewThread(hsm, ea);
}
public void RegisterHsm(ILQHsm hsm)
{
lock (_HsmCollection.SyncRoot)
{
_HsmCollection.Add(hsm.Id, hsm);
}
DoLifeCycleChange(this, hsm, QHsmLifeCycleChangeType.Added);
}
public StateProtoViewAnimator(ILQHsm hsm, StateDiagramView view)
{
_Hsm = hsm;
_View = view;
_Hsm_StateChange_RunInViewThread_Handler = new HsmStateChangeHander(_Hsm_StateChange_RunInViewThread);
RegisterEvents();
}
private void SetupHsmEvents(ILQHsm hsm)
{
StateProtoViewAnimator animator = new StateProtoViewAnimator(hsm, _View);
animator.TransitionDelay = 0;
// hook events
new ConsoleStateEventHandler(hsm);
}
public StateProtoViewAnimator(ILQHsm hsm, StateDiagramView view)
{
_Hsm = hsm;
_View = view;
_Hsm_StateChange_RunInViewThread_Handler = new HsmStateChangeHander(_Hsm_StateChange_RunInViewThread);
RegisterEvents ();
}
public void RegisterHsm(ILQHsm hsm)
{
lock (_HsmCollection.SyncRoot)
{
_HsmCollection.Add (hsm.Id, hsm);
}
DoLifeCycleChange (this, hsm, QHsmLifeCycleChangeType.Added);
}
public void DoFinalStateReached(ILQHsm hsm, QState state)
{
if (OnFinalStateReached(hsm, state))
{
LogStateEvent(StateLogType.Final, state);
RaiseFinalStateReached(FinalStateReached, hsm, state);
}
}
private void DoStateChange(ILQHsm hsm)
{
EventHandler handler = StateChange;
if (null != handler)
{
handler(hsm, new EventArgs());
}
}
public void Dispose()
{
if (_Hsm != null)
{
_Hsm.EventManager.Runner.Stop ();
_Hsm.EventManager.Runner = null;
_Hsm = null;
}
}
protected override IQEventManager GetEventManager(ILQHsm hsm)
{
string name = string.Format ("{0}", hsm.GroupId);
int hashCode = GetHashCode (name);
int index = hashCode % _EventManagers.Length;
Logger.Debug ("HashCode returned for: {0} is {1} results in index: {2}", name, hashCode, index);
index = Math.Abs (index);
return _EventManagers [index];
}
public ComponentContext(object hsm, IComponentGlyph comp)
{
_Component = comp;
_Hsm = hsm as ILQHsm;
if (_Hsm == null)
{
throw new NullReferenceException("Hsm created using " + _Component.TypeName + " is null");
}
}
public virtual void RaiseFinalStateReached(EventHandler handler, ILQHsm hsm, QState state)
{
if (handler != null)
{
LogStateEventArgs logEvent = new LogStateEventArgs();
logEvent.LogType = StateLogType.Final;
logEvent.State = state;
handler(hsm, logEvent);
}
}
protected override IQEventManager GetEventManager(ILQHsm hsm)
{
string name = string.Format("{0}", hsm.GroupId);
int hashCode = GetHashCode(name);
int index = hashCode % _EventManagers.Length;
Logger.Debug("HashCode returned for: {0} is {1} results in index: {2}", name, hashCode, index);
index = Math.Abs(index);
return(_EventManagers [index]);
}
private void buttonCreateWatch_Click(object sender, System.EventArgs e)
{
_SampleWatch = new Samples.SampleWatch(_EventManager);
_Hsm = _SampleWatch; // use it as a straight on state machine
_HsmSignals = _SampleWatch; // use it as a source of signals -- instead of calling AsyncDispatch() on _Hsm
SetupHsmEvents(_Hsm);
_Hsm.Init();
EnableEvents();
}
private void _Hsm_StateChange_RunInViewThread(ILQHsm hsm, LogStateEventArgs ea)
{
if (_View.InvokeRequired)
{
object[] args = new object[] { hsm, ea };
_View.Invoke(_Hsm_StateChange_RunInViewThread_Handler, args);
}
else
{
_Hsm_StateChange_Internal(hsm, ea);
}
}
protected void RaiseLifeCycleChange(QHsmLifeCycleChangeHandler handler, IQHsmLifeCycleManager lifeCycleManager, ILQHsm hsm, QHsmLifeCycleChangeType lifeCycleChangeType)
{
try
{
if (handler != null)
{
handler (lifeCycleManager, hsm, lifeCycleChangeType);
}
} catch (Exception ex)
{
Logger.Error (ex, "LifeCycleChange event handler raised an exception.");
}
}
protected void InitInstrumentation (ILQHsm hsm)
{
// Use QStateChangeListener to minimise exposure to this execution controller - I do not want the controller
// ref to be passed along.
_Listener = new QStateChangeListenerBase (this);
if (_Hsm != null)
{
_Hsm.StateChange -= new EventHandler (_Listener.HandleStateChange);
}
_Hsm = hsm;
_Hsm.StateChange += new EventHandler(_Listener.HandleStateChange);
}
private void buttonStartWatch_Click(object sender, System.EventArgs e)
{
buttonStartWatch.Enabled = false;
_SampleWatch = _ExecutionModel.CreateHsm(_Id);
_Hsm = _SampleWatch; // use it as a straight on state machine
_HsmSignals = _Hsm as Samples.ISigSampleWatch; // use it as a source of signals -- instead of calling AsyncDispatch() on _Hsm
SetupHsmEvents(_Hsm);
_Hsm.Init();
EnableEvents();
}
public void Execute (ILQHsm hsm)
{
Prepare ();
InitInstrumentation (hsm);
_Hsm.Init ();
if (_Hsm.EventManager.Runner == null)
{
new QGUITimerEventManagerRunner (_Hsm.EventManager, 200);
_Hsm.EventManager.Runner.Start ();
}
}
protected override bool OnLifeCycleChange(IQHsmLifeCycleManager lifeCycleManager, ILQHsm hsm, QHsmLifeCycleChangeType lifeCycleChangeType)
{
if (lifeCycleChangeType == QHsmLifeCycleChangeType.Added)
{
ILQHsmAdmin admin = hsm as ILQHsmAdmin;
if (admin == null)
{
throw new InvalidOperationException ("Hsm must support ILQHsmAdmin interface");
}
IQEventManager eventManager = GetEventManager (hsm);
admin.EventManager = eventManager;
}
return base.OnLifeCycleChange (lifeCycleManager, hsm, lifeCycleChangeType);
}
public void UnregisterHsm(ILQHsm hsm)
{
bool contains = false;
lock (_HsmCollection.SyncRoot)
{
contains = _HsmCollection.Contains (hsm.Id);
if (contains)
{
_HsmCollection.Remove (hsm.Id);
}
}
if (contains)
{
DoLifeCycleChange (this, hsm, QHsmLifeCycleChangeType.Removed);
}
}
protected override bool OnLifeCycleChange(IQHsmLifeCycleManager lifeCycleManager, ILQHsm hsm, QHsmLifeCycleChangeType lifeCycleChangeType)
{
switch (lifeCycleChangeType)
{
case QHsmLifeCycleChangeType.Added:
{
RegisterEvents (hsm);
} break;
case QHsmLifeCycleChangeType.Removed:
{
UnRegisterEvents (hsm);
} break;
default: break; // not really interested in any other events.
}
return base.OnLifeCycleChange (lifeCycleManager, hsm, lifeCycleChangeType);
}
public void UnregisterHsm(ILQHsm hsm)
{
bool contains = false;
lock (_HsmCollection.SyncRoot)
{
contains = _HsmCollection.Contains(hsm.Id);
if (contains)
{
_HsmCollection.Remove(hsm.Id);
}
}
if (contains)
{
DoLifeCycleChange(this, hsm, QHsmLifeCycleChangeType.Removed);
}
}
protected void hsm_StateChange(object sender, EventArgs e)
{
LogStateEventArgs args = e as LogStateEventArgs;
ILQHsm hsm = sender as ILQHsm;
if (args.LogType == StateLogType.Log)
{
return;
}
string stateName = QStateNameFrom (args.State);
switch (args.LogType)
{
case StateLogType.Init:
{
SetCurrentStateName (stateName);
} break;
case StateLogType.Entry:
{
SetCurrentStateName (stateName);
} break;
case StateLogType.Exit:
{
CurrentState = null;
} break;
case StateLogType.EventTransition:
{
CurrentTransition = null;
DoRefresh ();
SetCurrentStateName (stateName);
SetCurrentTransitionName (stateName, args.EventDescription);
DoRefresh ();
} break;
case StateLogType.Log:
{
} break;
default: throw new NotSupportedException ("StateLogType." + args.LogType.ToString ());
}
DoRefresh ();
}
protected override bool OnLifeCycleChange(IQHsmLifeCycleManager lifeCycleManager, ILQHsm hsm, QHsmLifeCycleChangeType lifeCycleChangeType)
{
if (lifeCycleChangeType == QHsmLifeCycleChangeType.Added)
{
ILQHsmAdmin admin = hsm as ILQHsmAdmin;
if (admin == null)
{
throw new InvalidOperationException("Hsm must support ILQHsmAdmin interface");
}
IQEventManager eventManager = GetEventManager(hsm);
admin.EventManager = eventManager;
}
return(base.OnLifeCycleChange(lifeCycleManager, hsm, lifeCycleChangeType));
}
public void Add(string name, ILQHsm hsm)
{
InnerHashtable.Add (name, hsm);
}
private void _Hsm_DispatchException(Exception ex, IQHsm hsm, System.Reflection.MethodInfo stateMethod, IQEvent ev)
{
ILQHsm qhsm = (ILQHsm)hsm;
Logger.Error(ex, "DispatchException: [{0} - {1}] {2} {3}", qhsm.Id, hsm, stateMethod.Name, ev);
}
public void Execute(ILQHsm hsm)
{
Prepare ();
InitInstrumentation (hsm);
_Hsm.Init ();
if (_Hsm.EventManager.Runner == null)
{
new QGUITimerEventManagerRunner (_Hsm.EventManager, 200);
_Hsm.EventManager.Runner.Start ();
}
}
private void managerEvents_LifeCycleChange(IQHsmLifeCycleManager lifeCycleManager, ILQHsm hsm, QHsmLifeCycleChangeType lifeCycleChangeType)
{
DoLifeCycleChange (lifeCycleManager, hsm, lifeCycleChangeType);
}
protected virtual bool OnFinalStateReached(ILQHsm hsm, QState state)
{
return true;
}
private void _Hsm_StateChange_RunInViewThread(ILQHsm hsm, LogStateEventArgs ea)
{
if(_View.InvokeRequired)
{
object[] args = new object[] {hsm, ea};
_View.Invoke (_Hsm_StateChange_RunInViewThread_Handler, args);
}
else
{
_Hsm_StateChange_Internal (hsm, ea);
}
}
public void UnregisterHsm(ILQHsm hsm)
{
throw new NotSupportedException ("This Proxy is only for forwarding IQHsmLifeCycleManagerEvents");
}
protected void InitInstrumentation(ILQHsm hsm)
{
// Use QStateChangeListener to minimise exposure to this execution controller - I do not want the controller
// ref to be passed along.
_Listener = new QStateChangeListenerBase (this);
if (_Hsm != null)
{
_Hsm.StateChange -= new EventHandler (_Listener.HandleStateChange);
}
_Hsm = hsm;
_Hsm.StateChange += new EventHandler(_Listener.HandleStateChange);
}
protected virtual bool OnFinalStateReached(ILQHsm hsm, QState state)
{
return(true);
}
public void Dispose()
{
if (_Hsm != null)
{
_Hsm.EventManager.Runner.Stop ();
_Hsm.EventManager.Runner = null;
_Hsm = null;
}
}
protected override IQEventManager GetEventManager(ILQHsm hsm)
{
return _EventManager;
}
public void Add(string name, ILQHsm hsm)
{
InnerHashtable.Add(name, hsm);
}
public RestoreCmd(ILQHsm hsm, ILQHsmMemento memento)
: base(hsm)
{
_Memento = memento;
}
protected virtual bool OnLifeCycleChange(IQHsmLifeCycleManager lifeCycleManager, ILQHsm hsm, QHsmLifeCycleChangeType lifeCycleChangeType)
{
return true;
}
protected virtual void RaiseFinalStateReached(EventHandler handler, ILQHsm hsm, QState state)
{
if (handler != null)
{
LogStateEventArgs logEvent = new LogStateEventArgs ();
logEvent.LogType = StateLogType.Final;
logEvent.State = state;
handler (hsm, logEvent);
}
}
protected void DoFinalStateReached(ILQHsm hsm, QState state)
{
if (OnFinalStateReached (hsm, state))
{
LogStateEvent (StateLogType.Final, state);
RaiseFinalStateReached (FinalStateReached, hsm, state);
}
}
public static void FillMementoWithStateName(ILQHsmMemento memento, ILQHsm hsm, string currentStateName)
{
FillMementoWithStateName (memento, hsm.GetType (), currentStateName, hsm);
}
protected override bool OnLifeCycleChange(IQHsmLifeCycleManager lifeCycleManager, ILQHsm hsm, QHsmLifeCycleChangeType lifeCycleChangeType)
{
switch (lifeCycleChangeType)
{
case QHsmLifeCycleChangeType.Added:
{
RegisterEvents(hsm);
} break;
case QHsmLifeCycleChangeType.Removed:
{
UnRegisterEvents(hsm);
} break;
default: break; // not really interested in any other events.
}
return(base.OnLifeCycleChange(lifeCycleManager, hsm, lifeCycleChangeType));
}
public ConsoleStateEventHandler(ILQHsm hsm)
{
_Hsm = hsm;
RegisterEvents();
}
protected void RaiseStateChange(EventHandler handler, ILQHsm hsm, LogStateEventArgs logEvent)
{
if (handler != null)
{
handler (hsm, logEvent);
}
}
private void _Hsm_UnhandledTransition(IQHsm hsm, System.Reflection.MethodInfo stateMethod, IQEvent ev)
{
ILQHsm qhsm = (ILQHsm)hsm;
Logger.Info("UnhandledTransition: [{0} - {1}] {2} {3}", qhsm.Id, hsm, stateMethod.Name, ev);
}
protected abstract IQEventManager GetEventManager(ILQHsm hsm);
public ComponentContext(object hsm, IComponentGlyph comp)
{
_Component = comp;
_Hsm = hsm as ILQHsm;
if (_Hsm == null)
{
throw new NullReferenceException ("Hsm created using " + _Component.TypeName + " is null");
}
}
protected virtual void UnRegisterEvents(ILQHsm hsm)
{
hsm.StateChange -= new EventHandler(hsm_StateChange);
hsm.UnhandledTransition -= new DispatchUnhandledTransitionHandler(hsm_UnhandledTransition);
hsm.DispatchException -= new DispatchExceptionHandler(hsm_DispatchException);
}
protected abstract IQEventManager GetEventManager(ILQHsm hsm);
private void _Hsm_StateChange_Internal(ILQHsm hsm, LogStateEventArgs ea)
{
string currentStateName = null;
string currentTransitionName = null;
switch (ea.LogType)
{
case StateLogType.EventTransition:
{
currentStateName = ea.State.Method.Name;
currentTransitionName = ea.EventDescription;
}
break;
case StateLogType.Init:
{
currentStateName = ea.NextState.Method.Name;
} break;
case StateLogType.Restored:
case StateLogType.Entry:
case StateLogType.Final:
{
currentStateName = ea.State.Method.Name;
} break;
}
if(currentStateName != null)
{
RefreshCurrentStateView (currentStateName, currentTransitionName);
}
}
