public void Start()
{
using (CurrentLogger.ScopedTrace($"{GetType()}.{MethodBase.GetCurrentMethod()}"))
{
lock (SyncRoot)
{
if (_disposed)
{
throw new ObjectDisposedException(nameof(LongRunningTask));
}
var task = _workerTask;
if (task != null)
{
return;
}
_cancelSource?.Dispose();
_cancelSource = new CancellationTokenSource();
var cancelToken = _cancelSource.Token;
CancelToken = cancelToken;
Scheduling.TaskName = GetType().ToString();
Scheduling.ProcessBody = (token) => Process(token);
task = new Task(() => Scheduling.SchedulingRun(cancelToken), cancelToken, TaskCreationOptions.LongRunning);
task.Start();
_workerTask = task;
}
}
}
protected void Cancel()
{
using (CurrentLogger.ScopedTrace($"{GetType()}.{MethodBase.GetCurrentMethod()}"))
{
_cancelSource.Cancel();
}
}
public void StopNoThrow()
{
using (CurrentLogger.ScopedTrace($"{GetType()}.{MethodBase.GetCurrentMethod()}"))
{
lock (SyncRoot)
{
if (_disposed)
{
return;
}
ExceptionHelper.ExceptionCatcher(InternalStop, where : nameof(LongRunningTask) + ":" + GetType() + "." + nameof(StopNoThrow));
}
}
}
public void Stop()
{
using (CurrentLogger.ScopedTrace($"{GetType()}.{MethodBase.GetCurrentMethod()}"))
{
lock (SyncRoot)
{
if (_disposed)
{
throw new ObjectDisposedException(nameof(LongRunningTask));
}
InternalStop();
}
}
}
public virtual void Dispose()
{
using (CurrentLogger.ScopedTrace($"{GetType()}.{MethodBase.GetCurrentMethod()}"))
{
lock (SyncRoot)
{
if (_disposed)
{
return;
}
_disposed = true;
ExceptionHelper.ExceptionCatcher(InternalStop, where : nameof(LongRunningTask) + ":" + GetType() + "." + nameof(Dispose));
_cancelSource?.Dispose();
}
}
}
private void InternalStop()
{
using (CurrentLogger.ScopedTrace($"{GetType()}.{MethodBase.GetCurrentMethod()}"))
{
var task = _workerTask;
if (task == null)
{
return;
}
_workerTask = null;
_cancelSource.Cancel();
using (new RAII(task.Dispose))
{
CurrentLogger.Trace($"Начинаем ожидание окончания задачи {GetType().Name}");
task.Wait(_stopTimeout);
}
}
}
public void WaitForStopNoThrow(TimeSpan?stopTimeout = null)
{
using (CurrentLogger.ScopedTrace($"{GetType()}.{MethodBase.GetCurrentMethod()}"))
{
lock (SyncRoot)
{
if (_disposed)
{
return;
}
ExceptionHelper.ExceptionCatcher(() =>
{
var task = _workerTask;
if (task == null)
{
return;
}
CurrentLogger.Trace($"Начинаем ожидание окончания задачи {GetType().Name} без её завершения ");
task.Wait(stopTimeout ?? TimeSpanConstants.Infinite);
}, where : nameof(LongRunningTask) + ":" + GetType() + "." + nameof(StopNoThrow));
}
}
}