public JobPoolControllerActor(IActorRef commanderActor)
{
_commander = commanderActor;
Receive <ProcessFileMessage>(msg => InitializeJobs(msg.FileName));
Receive <ProcessJob>(job => HandleProcessJob());
Receive <JobValidationSucceedMessage>(msg =>
{
_commander.Tell(new CanAcceptJobMessage(_currentJobMsg.Description, _currentJobMsg.ID));
});
Receive <JobValidationFailedMessage>(msg =>
{
ColorConsole.WriteLineRed("Invalid Task : {0} {1}", _currentJobMsg.ID, _currentJobMsg.Description);
});
Receive <AbleToAcceptJobMessage>(job =>
{
ColorConsole.WriteLineGreen("Commander {0} is able to accept job {1}. {2}", _commander.Path.Name, job.ID, job.Description);
_commander.Tell(new BeginJobMessage(job.Description, job.ID));
});
Receive <UnableToAcceptJobMessage>(job =>
{
ColorConsole.WriteLineGreen("Commander {0} is unable to accept job {1}. {2}", _commander.Path.Name, job.ID, job.Description);
});
Receive <JobCompletedMessage>(job => HandleJobCompleted(job));
Receive <JobFailedMessage>(job => HandleJobFailed(job));
Receive <UpdateJobStatastics>(message => HandleUpdateJobStatastics());
}
// Represents the 'stopped' behavior
private void Stopped()
{
Receive <PlayMovieMessage>(message => StartPlayingMovie(message.Title));
Receive <StopMovieMessage>(message => ColorConsole.WriteLineRed($"ERROR: User:{_userId} Cannot stop if nothing is playing."));
ColorConsole.WriteLine($"UserActor:{_userId} has now become 'Stopped'.", ConsoleColor.DarkCyan);
}
private void Playing()
{
Receive <PlayMovieMessage>(message => ColorConsole.WriteLineRed("Error: cannot start playing another movie before stopping existing one."));
Receive <StopMovieMessage>(message => StopPlayingCurrentMovie());
ColorConsole.WriteLineYellow("UserActor {0} has now become Playing", _userId);
}
/// <summary>
/// Perform acknowledgement message from the sender.
/// </summary>
/// <param name="message"></param>
private void HandleAcknowldgement(AcknowledgementMessage message)
{
if (message.Receipt == AcknowledgementReceipt.CANCELED)
{
throw new JobCanceledException();
}
else if (message.Receipt == AcknowledgementReceipt.INVALID_TASK)
{
Context.Parent.Tell(new JobFailedMessage(message.Description, message.ID, JobStatus.Failed));
ColorConsole.WriteLineRed($"Task {message.ID}. {message.Description} is invalid.");
}
else if (message.Receipt == AcknowledgementReceipt.FAILED)
{
Context.Parent.Tell(new JobFailedMessage(message.Description, message.ID, JobStatus.Failed));
ColorConsole.WriteLineRed($"Task {message.ID}. { message.Description} is failed due to unhandled exeption.");
}
else if (message.Receipt == AcknowledgementReceipt.TIMEOUT)
{
Context.Parent.Tell(new JobFailedMessage(message.Description, message.ID, JobStatus.Timeout));
ColorConsole.WriteLineRed("Task ID: {0} is cancelled due to time out error.", message.ID);
}
else
{
if (message.CompletionTime == 0)
{
ColorConsole.WriteLineCyan($"Task ID: {message.ID} failed to execute by external application.");
Context.Parent.Tell(new JobFailedMessage(message.Description, message.ID, JobStatus.Cancelled));
}
else
{
ColorConsole.WriteLineCyan("Task ID: {0} completed successfully by worker.", message.ID);
Context.Parent.Tell(new JobCompletedMessage(message.Description, message.ID, message.CompletionTime));
}
}
}
private void ParseTxtFile(string fileName)
{
bool fileFound = File.Exists(fileName);
if (!fileFound)
{
fileName = Path.Combine(Environment.CurrentDirectory, fileName);
fileFound = File.Exists(fileName);
if (!fileFound)
{
ColorConsole.WriteLineRed("Task file not found.");
return;
}
}
var fileLines = File.ReadAllLines(fileName);
int jobId = 0;
foreach (var line in fileLines)
{
jobId++;
var job = new ProcessJobMessage(line, jobId);
_jobsToProcessed.Add(job);
}
}
private void Stopped()
{
Receive <PlayMovieMessage>(message => StartPlayingMovie(message.MovieTitle));
Receive <StopMovieMessage>(message => ColorConsole.WriteLineRed("Error: cannot stop if nothing is playing"));
ColorConsole.WriteLineYellow("UserActor has now become Stopped", _userId);
}
/// <summary>
/// Supervisor strategy for coordinator
/// </summary>
/// <returns>action taken by the coordinator</returns>
protected override SupervisorStrategy SupervisorStrategy()
{
return(new OneForOneStrategy(
exception =>
{
if (exception is JobCanceledException)
{
ColorConsole.WriteLineRed("TaskCanceledException caught for Coordinator {0}, Restarting the task...", Self.Path.Name);
return Directive.Restart;
}
else if (exception is UnHandledException)
{
ColorConsole.WriteLineRed("Unhandled exception caught for Coordinator {0}, Resuming Task...", Self.Path.Name);
return Directive.Resume;
}
else if (exception is JobTimeOutException)
{
BecomeWaiting();
ColorConsole.WriteLineRed("Task Time out exception caught for Coordinator {0}, Stopping Task...", Self.Path.Name);
return Directive.Stop;
}
ColorConsole.WriteLineRed("Unknown exception caught for Coordinator {0}, Restarting the task...", Self.Path.Name);
return Directive.Restart;
}));
}
private void Stopped()
{
Receive <PlayMovieMessage>(message => StartPlayingMovie(message.MovieTitle));
Receive <StopMovieMessage>(
message => ColorConsole.WriteLineRed("cannot stop if nothing is playing"));
ColorConsole.WriteLineYellow($"useractor {_userId} has become stopped");
}
private void Stopped()
{
Receive <PlayMovieMessage>(message => StartPlayingMovie(message.MovieTitle));
string messageText = $"UserActor {_userId} Error: cannot stop if nothing is playing";
Receive <StopMovieMessage>(message => ColorConsole.WriteLineRed(messageText));
ColorConsole.WriteLineYellow($"UserActor {_userId} has now become Stopped");
}
private void Playing()
{
string messageText = $"UserActor {_userId} Error: cannot start playing another movie before stopping existing one";
Receive <PlayMovieMessage>(message => ColorConsole.WriteLineRed(messageText));
Receive <StopMovieMessage>(message => StopPlayingCurrentMovie());
ColorConsole.WriteLineYellow($"UserActor {_userId} has now become Playing");
}
private void Stopped()
{
ColorConsole.WriteLineYellow(string.Format("UserActor {0} has now become Stopped", this.userId));
this.Receive <PlayMovieMessage>(message => StartPlayingMovie(message.MovieTitle));
this.Receive <StopMovieMessage>(
message => ColorConsole.WriteLineRed(
string.Format("UserActor {0} Error: cannot stop if nothing is playing", this.userId)));
}
// Represents the 'playing' behavior
private void Playing()
{
Receive <PlayMovieMessage>(message =>
ColorConsole.WriteLineRed(
$"ERROR: User:{_userId} Cannot start playing another movie ({message}) before stopping the existing one."));
Receive <StopMovieMessage>(message => StopPlayingMovie());
ColorConsole.WriteLine($"UserActor:{_userId} has now become 'Playing'.", ConsoleColor.DarkCyan);
}
protected override void PostStop()
{
if (null != _taskTimer)
{
_taskTimer.Cancel();
}
ColorConsole.WriteLineRed("WorkerActor for Coordinator {0} stopped.", Context.Parent.Path.Name);
}
protected override SupervisorStrategy SupervisorStrategy()
{
return(new OneForOneStrategy(
exception =>
{
ColorConsole.WriteLineRed("Unknown exception caugh for commander, restarting the task...");
return Directive.Restart;
}));
}
private void Playing()
{
Receive <PlayMovieMessage>(message =>
ColorConsole.WriteLineRed("Error: A movie is already playing"));
Receive <StopMovieMessage>
(message => StopPlayingCurrentMovie());
ColorConsole.WriteLineYellow("UserActor has now become playing");
}
private void Playing()
{
ColorConsole.WriteLineYellow(string.Format("UserActor {0} has now become Playing", this.userId));
this.Receive <StopMovieMessage>(message => StopPlayingCurrentMovie());
this.Receive <PlayMovieMessage>(
message => ColorConsole.WriteLineRed(
string.Format("UserActor {0} Error: cannot start playing another movie before stopping existing one", this.userId)));
}
private void HandleStopMovieMessage(StopMovieMessage message)
{
if (currentlyWatching == null)
{
ColorConsole.WriteLineRed("Error: cannot stop if nothing is playing");
return;
}
StopPlayingCurrentMovie();
}
private void Playing()
{
Receive <PlayMovieMessage>(message => ColorConsole.WriteLineRed(
"cannot start playing another movie"));
Receive <StopMovieMessage>(
message => StopPlayingCurrentMovie());
ColorConsole.WriteLineYellow($"useractor {_userId} has become playing");
}
private void HandlePlayMovieMessage(PlayMovieMessage message)
{
if (currentlyWatching != null)
{
ColorConsole.WriteLineRed("Error: cannot start playing another movie before stopping existing one");
return;
}
StartPlayingMovie(message.MovieTitle);
}
private void Playing()
{
// Defines what happens when we receive a PlayMovieMessage while we are in a Playing state.
Receive <PlayMovieMessage>(message => ColorConsole.WriteLineRed("Error: cannot start playing another movie before stopping existing one"));
// Defines what happens when we receive a StopMovieMessage while we are in a Playing state.
Receive <StopMovieMessage>(message => StopPlayingCurrentMovie());
ColorConsole.WriteLineYellow("UserActor {0} has now become Playing", UserID.ToString());
}
private void Stopped()
{
// Defines what happens when we receive a PlayMovieMessage while we are in a Stopped state.
Receive <PlayMovieMessage>(message => StartPlayingMovie(message.MovieTitle));
// Defines what happens when we receive a StopMovieMessage while we are in a Stopped state.
Receive <StopMovieMessage>(message =>
ColorConsole.WriteLineRed("Error: cannot stop if nothing is playing")
);
ColorConsole.WriteLineYellow("UserActor {0} has now become Stopped", UserID);
}
public JobPoolControllerActor(IActorRef commanderActor)
{
_commander = commanderActor;
Receive <ProcessFileMessage>(msg => InitializeJobs(msg.FileName));
Receive <UnableToAcceptJobMessage>(job =>
{
ColorConsole.WriteLineRed($"Commander {Sender.Path} is unable to perform Task : {job.Description}");
if (!_jobsToProcessed.ContainsKey(job.ID))
{
if (_taskList[job.ID].Status == JobStatus.NotStarted)
{
_jobsToProcessed.Add(job.ID, new ProcessJobMessage(job.Description, job.ID, Self));
}
}
});
Receive <JobStartedMessage>(job =>
{
ColorConsole.WriteLineGreen($"Task {job.ID}. {job.Description} has started by {Sender.Path} at {job.ProcessedTime}");
var task = _taskList[job.ID];
task.StartTime = job.ProcessedTime;
task.Status = JobStatus.Started;
if (null == _stopWatch)
{
_stopWatch = new Stopwatch();
_stopWatch.Start();
}
// update UI
});
Receive <JobCompletedMessage>(job =>
{
ColorConsole.WriteLineYellow($"Task {job.ID}. {job.Description} has completed succesfully at {job.ProcessedTime} by {Sender.Path} in {job.Duration} ms.");
var task = _taskList[job.ID];
task.EndTime = job.ProcessedTime;
task.Duration = job.Duration;
task.Status = JobStatus.Completed;
// update UI
});
Receive <JobFailedMessage>(job =>
{
ColorConsole.WriteLineRed($"Commander {Sender.Path} is unable to perform Task : {job.Description} because {job.Status.ToString()}");
_taskList[job.ID].Status = job.Status;
// update UI
});
Receive <ProcessUnfinishedJobs>(msg => HandleProcessUnFinishedJobs(msg));
}
static void Main(string[] args)
{
try
{
ApplicationLogger = NLog.LogManager.GetCurrentClassLogger();
}
catch (Exception ex)
{
ColorConsole.WriteLineRed("There seems to be a problem initializing the logger. Error message:{0} Inner Exception:{1}", ex.Message, ex.InnerException.Message ?? "");
return;
}
string assembly = "C# Build: " + System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString();
ApplicationLogger.Info("Version:" + assembly);
//initialize the ClusterHelper
//ClusterHelper.Initialize("couchbaseClients/couchbase");
// Instantiate the actor system
SSAActorSystem.Create();
ApplicationLogger.Info("Host Actor System running on {0}", System.AppDomain.CurrentDomain.FriendlyName);
string command = "";
while (command != "exit")
{
Console.WriteLine("Enter a command:");
command = Console.ReadLine(); // holds the app from closing
if (command == "PrintSupervisorList")
{
SSAActorSystem.ActorReferences.SupervisorRegistry.Tell("PrintSupervisorList", ActorRefs.Nobody);
}
ApplicationLogger.Info("User entered command line command:{0}", command);
}
ApplicationLogger.Info("Host Actor System on {0} is shutting down.", System.AppDomain.CurrentDomain.FriendlyName);
// Shutdown the actor system
SSAActorSystem.Shutdown();
ApplicationLogger.Info("Host Actor System on {0} is shut down.", System.AppDomain.CurrentDomain.FriendlyName);
// Close the Cluster Helper
//ClusterHelper.Close();
}
private Task Stopped(IContext context)
{
switch (context.Message)
{
case PlayMovieMessage msg:
_currentlyWatching = msg.MovieTitle;
ColorConsole.WriteLineYellow($"User is currently watching '{_currentlyWatching}'");
_behavior.Become(Playing);
break;
case StopMovieMessage msg:
ColorConsole.WriteLineRed("Error: cannot stop if nothing is playing");
break;
}
ColorConsole.WriteLineCyan("UserActor has now become Stopped");
return(Actor.Done);
}
private Task Playing(IContext context)
{
switch (context.Message)
{
case PlayMovieMessage msg:
ColorConsole.WriteLineRed("Error: cannot start playing another movie before stopping existing one");
break;
case StopMovieMessage msg:
ColorConsole.WriteLineYellow($"User has stopped watching '{_currentlyWatching}'");
_currentlyWatching = null;
_behavior.Become(Stopped);
break;
}
ColorConsole.WriteLineCyan("UserActor has now become Playing");
return(Actor.Done);
}
protected override void PostStop()
{
_logger.Error("Cordinator{0}'s PostStop called.", Self.Path.Name);
ColorConsole.WriteLineRed("Cordinator{0}'s PostStop called.", Self.Path.Name);
}
protected override void PostStop()
{
ColorConsole.WriteLineRed("WorkerActor for Coordinator {0} called PostStop.", Context.Parent.Path.Name);
_logger.Error("WorkerActor for Coordinator {0} called PostStop.", Context.Parent.Path.Name);
}
private void Stopped()
{
Receive <PlayMovieMessage>(message => StartPlayingMovie(message.MovieTitle));
Receive <StopMovieMessage>(message => ColorConsole.WriteLineRed("Error: cannot start playing another movie before stopping existing one"));
ColorConsole.WriteLineCyan("User has now become Stopped");
}
private void HandleJobFailed(JobFailedMessage job)
{
_failedJobs.Add(job);
ColorConsole.WriteLineRed("Task {0}. {1} failed ", job.ID, job.Description);
Self.Tell(new UpdateJobStatastics());
}
private void Playing()
{
Receive <StopMessage>(m => StopPlayingMusic());
Receive <PlayMessage>(m => ColorConsole.WriteLineRed("Error: Cannot play another track while playing the current one."));
}
