private void ExecutionLoop(ITaskProvider taskProvider, IRepository repository)
{
while (true)
{
status.CurrentTask = null;
status.Status = ExecutionStatus.WaitingForTask;
engine.SystemResources = systemResources;
engine.Repository = wrapperFactory.CreateWrapper(repository);
Task task;
try
{
task = taskProvider.GetTask();
if(task == null)
continue;
}
catch (TimeoutException)
{
(taskProvider as ITaskProviderChannel).Abort();
return;
}
var interval = taskProvider.QueryNotifyInterval();
using (new Timer(
x => OnTimer((Tuple<ITaskProvider, Guid>) x),
Tuple.Create(taskProvider, task.Id),
TimeSpan.Zero,
interval))
{
status.CurrentTask = task;
status.Status = ExecutionStatus.ProcessingTask;
try
{
using (Perfomance.Trace("GeneralCore::StartExecution()").BindToTrace())
{
engine.ExecuteTask(task);
}
ReportSuccess(taskProvider, task);
}
catch (TaskRejectedException)
{
ReportReject(taskProvider, task);
}
catch (TaskFailedException e)
{
ReportFailure(taskProvider, task, ErrorSource.Task, e.InnerException);
}
catch (Exception e)
{
ReportFailure(taskProvider, task, ErrorSource.Engine, e.InnerException);
}
}
}
}