/// <summary
/// Instantiates a worker group with specified maximum concurrency and external progress reporting. Progress
/// will be reported on the thread instantiating the ProgressContext used.
/// </summary>
/// <param name="maxConcurrent">The maximum number of worker threads active at any one time</param>
/// <param name="progress">The ProgressContext that receives progress notifications</param>
public WorkerGroup(int maxConcurrent, IProgressContext progress)
{
if (progress == null)
{
throw new ArgumentNullException("progress");
}
_concurrencyControlSemaphore = Resolve.Portable.Semaphore(maxConcurrent, maxConcurrent);
_maxConcurrencyCount = maxConcurrent;
_singleThread = Resolve.Portable.SingleThread();
FirstError = new FileOperationContext(String.Empty, ErrorStatus.Success);
progress.NotifyLevelStart();
Progress = new WorkerGroupProgressContext(progress, _singleThread);
}
private void DisposeInternal()
{
NotifyFinishedInternal();
if (_concurrencyControlSemaphore != null)
{
_concurrencyControlSemaphore.Dispose();
_concurrencyControlSemaphore = null;
}
if (_singleThread != null)
{
_singleThread.Dispose();
_singleThread = null;
}
}
public WorkerGroupProgressContext(IProgressContext progress, ISingleThread singleThread)
{
_progress = progress;
_singleThread = singleThread;
}