/// <summary>
/// Starts this instance and initializes all the timers and queues.
/// </summary>
/// <returns></returns>
public bool Start()
{
if (serviceStatus == ServiceStatus.Stopped)
{
CheckAbnormallyTerminatedJobs();
CalculateJobsNextExecutionTimes();
foreach (QueueDefinition queueDefinition in SettingsProvider.Queues)
{
IExecutionQueue queue = Utils.CreateInstanceWithRequiredInterface <IExecutionQueue>(queueDefinition.Type, typeof(IExecutionQueue).AssemblyQualifiedName);
if (queue != null)
{
jobQueues.Add(queueDefinition.Id, queue);
jobQueues[queueDefinition.Id].Id = queueDefinition.Id;
jobQueues[queueDefinition.Id].ThreadCount = queueDefinition.ThreadCount;
jobQueues[queueDefinition.Id].JobFinishedExecuting += new EventHandler <JobFinishedExecutingEventArgs>(Queue_JobFinishedExecuting);
}
}
//To change the accuracy of scheduled jobs, this interval can be changed.
pollTimer.Interval = SettingsProvider.PollFrequency.TotalMilliseconds;
pollTimer.Start();
serviceStatus = ServiceStatus.Running;
return(true);
}
else if (serviceStatus == ServiceStatus.Paused)
{
return(Resume());
}
return(false);
}
public QueuePresenter(IQueueView view, IExecutionQueue queue, IQueuedItemFactory factory)
{
_queue = queue;
_view = view;
_items.OnMissing = factory.Build;
}
public QueuedTestItem(Test test, IExecutionQueue queue, IScreenConductor shell)
: this()
{
linkText.Content = test.LocatorPath();
link.Click += (x, y) => shell.OpenScreen(test);
stop.Click += (x, y) => queue.Cancel(test);
}
public TestService(IExecutionQueue queue, ITestConverter converter, IEventAggregator events,
FixtureLibrary library)
{
_queue = queue;
_converter = converter;
_events = events;
_library = library;
}
public StatusPresenter(IStatusView view, IScreenConductor shell, GrammarErrorsSubject errors,
IExecutionQueue queue)
{
_view = view;
_conductor = shell;
_errors = errors;
_queue = queue;
}
/// <summary>
/// Starts this instance and initializes all the timers and queues.
/// </summary>
/// <returns></returns>
public bool Start()
{
if (serviceStatus == ServiceStatus.Stopped)
{
CheckAbnormallyTerminatedJobs();
foreach (QueueDefinition queueDefinition in SettingsProvider.Queues)
{
IExecutionQueue queue = (IExecutionQueue)Utils.CreateInstanceWithRequiredInterface(queueDefinition.Type, typeof(IExecutionQueue).Name);
if (queue != null)
{
jobQueues.Add(queueDefinition.Id, queue);
jobQueues[queueDefinition.Id].Id = queueDefinition.Id;
jobQueues[queueDefinition.Id].ThreadCount = queueDefinition.ThreadCount;
jobQueues[queueDefinition.Id].JobFinishedExecuting += new EventHandler <JobFinishedExecutingEventArgs>(Queue_JobFinishedExecuting);
}
}
jobQueueTimer.Interval = SettingsProvider.PollFrequency.TotalMilliseconds;
jobQueueTimer.Start();
//To change the accuracy of scheduled jobs, this interval can be changed. However, be aware that each scheduled jobs' next occurence gets calculated on every tick.
scheduleTimer.Interval = 1000;
scheduleTimer.Start();
checkForJobEnqueue = true;
eventTimer.Interval = 100;
eventTimer.Start();
serviceStatus = ServiceStatus.Running;
return(true);
}
else if (serviceStatus == ServiceStatus.Paused)
{
return(Resume());
}
return(false);
}
public TaskDispatcher(byte maxConcurrency, IExecutionQueue[] executionQueues)
{
if (maxConcurrency == 0)
{
throw new ArgumentOutOfRangeException("maxConcurrency", "MaxConcurrency should be greater than zero.");
}
if (executionQueues == null)
{
throw new ArgumentNullException("executionQueues");
}
if (executionQueues.Length == 0)
{
throw new ArgumentOutOfRangeException("executionQueues", "List of execution queues cannot be empty.");
}
if (executionQueues.Any(x => x == null))
{
throw new ArgumentOutOfRangeException("executionQueues", "Execution queues cannot contain null values.");
}
var queueTotalConcurrency = (byte)executionQueues.Sum(x => x.MaxConcurrency);
_maxConcurrency = Math.Min(maxConcurrency, queueTotalConcurrency);
_executionQueues = executionQueues.OrderByDescending(x => x.Priority).ToArray();
_executionInfos = new ExecutionInfo[_maxConcurrency];
_threadNames = Enumerable.Range(0, _maxConcurrency).Select(x => "DarkFlow#" + x).ToArray();
foreach (var executionQueue in executionQueues)
{
executionQueue.TaskAdded += OnTaskAdded;
}
Thread.MemoryBarrier();
}
private void OnTaskAdded(IExecutionQueue executor)
{
Contract.Require(executor != null, "executor != null");
TryStartNewThread(executor);
}
private void TryStartNewThread(IExecutionQueue executor)
{
BEGIN:
if (_disposed) return;
//Second check to ensure concurrency threshold would not be exceeded.
var currentConcurrency = Interlocked.Increment(ref _currentConcurrency);
if (currentConcurrency > _maxConcurrency)
{
currentConcurrency = Interlocked.Decrement(ref _currentConcurrency);
if (currentConcurrency == 0)
{
goto BEGIN;
}
return;
}
ExecutionEnvelope envelope;
if (executor == null)
{
envelope = TakeNextTask();
}
else
{
envelope = executor.Dequeue();
}
if (envelope == null)
{
Interlocked.Decrement(ref _currentConcurrency);
return;
}
if (Logger.IsDebugEnabled)
{
Logger.Debug("Starting new execution thread.");
}
var executionInfo = new ExecutionInfo { CurrentTask = envelope };
var tplTask = new Task(PerformTasks, executionInfo);
executionInfo.TakeFreeCell(_executionInfos, _threadNames);
executionInfo.TplTask = tplTask;
tplTask.Start();
}
public IconService(IExecutionQueue queue)
{
_queue = queue;
}
internal JobExecutionContext(JobContext jobContext, IExecutionQueue executionQueue, Thread thread)
: this(jobContext, executionQueue)
{
Thread = thread;
}
internal JobExecutionContext(JobContext jobContext, IExecutionQueue executionQueue)
{
JobContext = jobContext;
ExecutionQueue = executionQueue;
}
public QueuedItemFactory(IExecutionQueue queue, IScreenConductor shell)
{
_queue = queue;
_shell = shell;
}
public IconService(IExecutionQueue queue)
{
_queue = queue;
}
public QueuedItemFactory(IExecutionQueue queue, IScreenConductor shell)
{
_queue = queue;
_shell = shell;
}