public bool ProcessNext()
{
if (IsCompleted)
{
throw new InvalidOperationException();
}
WorkItem currentItem = _nextWorkItem.Dequeue();
var activity = (Activity)Activator.CreateInstance(currentItem.ActivityType);
try
{
WorkLog?result = activity.DoWork(currentItem);
if (result != null)
{
_completedWorkLogs.Push(result);
return(true);
}
}
catch (Exception ex)
{
Logger.Exception(ex, "Exception occurred during process next method.");
}
return(false);
}
private State Perform(State initialState)
{
State currentState = initialState;
var doneActions = new Stack <IStatefulTask <State> >();
try
{
foreach (IStatefulTask <State> action in Actions)
{
doneActions.Push(action);
currentState = action.DoAction(currentState);
}
}
catch (Exception ex)
{
Logger.Exception(ex, "Exception occured during perform.");
Logger.Message($"Perform rollback for {doneActions.Count.ToString()} actions.");
foreach (IStatefulTask <State> action in doneActions)
{
currentState = action.RollbackSafe(currentState);
}
}
return(currentState);
}
private static int Main(string[] args)
{
try
{
Logger.Message("Console application started.");
RunModules();
return(0);
}
catch (Exception ex)
{
Logger.Exception(ex, $"Exception occurred in {nameof(Main)} method.");
return(-1);
}
finally
{
Logger.Message("Console application stopped.");
Logger.Message("Press any key to close this window...");
Console.ReadKey();
}
}