public TreeTask(TreeTaskInfo taskInfo)
{
this.Info = taskInfo;
this._threadCounter = new TreeTaskThreadCounter(taskInfo.Connection);
this._waitingJobs = new ConcurrentQueue <TreeJob>();
this._runningJobs = new ObservableCollection <TreeJob>();
this._runningJobsLock = new object();
this.CancellationSource = new CancellationTokenSource();
this.Progress = new TreeTaskProgressInfo();
Progress.AddItems(1);
}
private void Execute(TreeJob treeJob)
{
lock (this._runningJobsLock)
{
this._threadCounter.Increment();
treeJob.State = TreeJobState.Running;
this._runningJobs.Add(treeJob);
OnJobChanged(treeJob, TreeJobChangedEvent.RunningAdded);
}
Task.Factory.StartNew(treeJob.Action)
.ContinueWith(t =>
{
lock (this._runningJobsLock)
{
this._runningJobs.Remove(treeJob);
}
treeJob.State = TreeJobState.Completed;
OnJobCompleted(treeJob);
Progress.AddItems(treeJob.PromisedChildCount);
Progress.CompleteItems(1);
this._threadCounter.Decrement();
OnJobChanged(treeJob, TreeJobChangedEvent.RunningCompleted);
CheckOnCompleted();
})
.ContinueOnException(t =>
{
if (t.Exception != null)
{
log.ErrorFormat("Error occurred while processing task completion: {0}", t.Exception);
}
});
}
