public IEnumerable <T> AsEnumerable(CancellationToken cancellationToken = null, IJobLogger logger = null)
{
if (cancellationToken == null)
{
cancellationToken = new CancellationToken();
}
var errorHandler = new ErrorHandler();
Job <T>[] jobs = Enumerable.Range(1, jobCount)
.Select(i => new Job <T>($"{i}", enumeration, cancellationToken))
.ToArray();
while (true)
{
if (HandleErrors(jobs, errorHandler))
{
cancellationToken.Cancel();
break;
}
if (logger != null)
{
logger.LogResultsCount(jobs.Select(job => job.ResultsCount).Sum());
}
List <T> results = new List <T>(jobs.Length);
foreach (var job in jobs)
{
if (job.TryGetResult(out T result))
{
results.Add(result);
}
}
foreach (T result in results)
{
yield return(result);
}
if (jobs.All(job => job.IsFinished))
{
HandleErrors(jobs, errorHandler);
break;
}
else
{
Thread.Sleep(5);
}
}
foreach (var job in jobs)
{
job.Dispose();
}
errorHandler.ThrowIfFailed();
}