protected override async Task <string> ExecuteInternal()
{
var filePaths = new Queue <string>(FileRetriever.GetSortedFilePathsRecursively(PathService.Source));
var copyTasks = CreateFixedBatchOfCopyTasks(filePaths);
var finishedTask = Task.FromResult(string.Empty);
while (copyTasks.Any())
{
finishedTask = await Task.WhenAny(copyTasks);
if (CancellationTokenSource.IsCancellationRequested)
{
break;
}
copyTasks.Remove(finishedTask);
if (filePaths.Any())
{
copyTasks.Add(BuildNextTask(filePaths.Dequeue()));
}
}
//Return the result of the last task to finish.
//NB: awaiting does not wrap the OperationCanceledException in an AggreagateException,
//while calling finishedTask.Result does so, and prevents the error handling on OCE in the base class from running
return(await finishedTask);
}
protected override async Task <string> ExecuteInternal()
{
var filePaths = new Queue <string>(FileRetriever.GetSortedFilePathsRecursively(PathService.Source)
.Where(fp => fp.Contains("Silents - Demo - 02") && !fp.EndsWith(".md5")));
var copyTasks = CreateFixedBatchOfCopyTasks(filePaths);
var firstTaskToFinish = Task.FromResult(string.Empty);
while (copyTasks.Any())
{
firstTaskToFinish = await Task.WhenAny(copyTasks);
CancellationTokenSource.Cancel();
break;
}
//Return the result of the last task to finish.
//NB: awaiting does not wrap the OperationCanceledException in an AggreagateException,
//while calling finishedTask.Result does so, and prevents the error handling on OCE in the base class from running
return(await firstTaskToFinish);
}
protected override async Task <string> ExecuteInternal()
{
var filePaths = new Queue <string>(FileRetriever.GetSortedFilePathsRecursively(PathService.Source)
.Where(fp => fp.Contains(".m4a"))
.OrderBy(fp => fp.Contains(".md5") ? 0 : 1));
var copyTasks = CreateFixedBatchOfCopyTasks(filePaths);
var path = string.Empty;
while (copyTasks.Any())
{
var finishedTask = await Task.WhenAny(copyTasks);
if (CancellationTokenSource.IsCancellationRequested)
{
break;
}
path = await finishedTask;
if (!IsValidMd5(path))
{
CancellationTokenSource.Cancel();
throw new FileFormatException($"Invalid MD5 for {path}");
}
copyTasks.Remove(finishedTask);
if (filePaths.Any())
{
copyTasks.Add(BuildNextTask(filePaths.Dequeue()));
}
}
//Return the result of the last task to finish.
//NB: awaiting does not wrap the OperationCanceledException in an AggreagateException,
//while calling finishedTask.Result does so, and prevents the error handling on OCE in the base class from running
return(path);
}