/// <summary>
/// Transition to a new state
/// </summary>
/// <param name="transition"></param>
protected virtual void ExecuteTransition(Transition transition)
{
// Default checking, if this is a valid transition.
if (CurrentState.StateName != transition.SourceStateName)
{
var message = string.Format(
"Transition has wrong source state {0}, when system is in {1}",
transition.SourceStateName, CurrentState.StateName);
RaiseStateMachineSystemEvent(
"State machine: Default guard execute transition.",
message);
return;
}
if (StateList.ContainsKey(transition.TargetStateName) == false)
{
var message = string.Format(
"Transition has wrong target state {0}, when system is in {1}. State not in global state list",
transition.SourceStateName, CurrentState.StateName);
RaiseStateMachineSystemEvent(
"State machine: Default guard execute transition.",
message);
return;
}
// Run all exit actions of the old state
CurrentState.ExitActions.ForEach(a => a.Execute());
// Run all guards of the transition
transition.GuardList.ForEach(g => g.Execute());
string info =
transition.GuardList.Count + " guard actions executed!";
RaiseStateMachineSystemEvent(
"State machine: ExecuteTransition", info);
// Run all actions of the transition
transition.TransitionActionList.ForEach(a => a.Execute());
//////////////////
// Stage change
//////////////////
info = transition.TransitionActionList.Count +
" transition actions executed!";
RaiseStateMachineSystemEvent(
"State machine: Begin state change!", info);
// First resolve the target state with the help of its name
var targetState =
GetStateFromStateList(transition.TargetStateName);
// Transition successful - Change state
PreviousState = CurrentState;
CurrentState = targetState;
// Run all entry actions of new state
CurrentState.EntryActions.ForEach(a => a.Execute());
RaiseStateMachineSystemEvent(
"State machine: State change completed successfully!",
$"Previous state: {PreviousState.StateName} - New state = {CurrentState.StateName}");
}
public void ExecuteTransistion(Transistion transition)
{
if (CurrenState.StateName != transition.SourceStateName)
{
string message = String.Format("Transisition has wrong source state {0}, when system is in {1}",
transition.SourceStateName, CurrenState.StateName);
RaiseStateMachineSystemEvent("State machine: default guard execute transistion", message);
return;
}
if (!StateList.ContainsKey(transition.TargetStateName))
{
string message = String.Format("Transisition has wrong target state {0},when system is in {1}. State not in global", transition.SourceStateName, CurrenState.StateName);
RaiseStateMachineSystemEvent("State machine: Default guard execute transition ", message);
return;
}
CurrenState.ExitActions.ForEach(a => a.Execute());
transition.GuardList.ForEach(g => g.Execute());
string info = transition.GuardList.Count + " guard actions executed";
RaiseStateMachineSystemEvent("State machine: ExecuteTransistion", info);
//Run all transistion action list
transition.TransistionActionList.ForEach(t => t.Execute());
//State change
info = transition.TransistionActionList.Count + " transistion actions executed";
RaiseStateMachineSystemEvent("State machine: Begin state change", info);
var targetState = GetStateFromStateList(transition.TargetStateName);
PreviouState = CurrenState;
CurrenState = targetState;
foreach (var entryActions in CurrenState.EntryActions)
{
entryActions.Execute();
}
RaiseStateMachineSystemEvent("State machine: State change completed succesfully", "Previous State" + PreviouState.StateName + " New State= " + CurrenState.StateName);
}