/// <summary>
/// Enlarge pool and return object. Return null if poolSize exceeds _workerMaximum
/// </summary>
/// <returns></returns>
private WorkerItem <T> TryCreateAndEnlargePool()
{
lock (_padLock)
{
if (_currentWorkers.Count < WorkerMaximum)
{
var newInstance = new WorkerItem <T>(_workerFactory.CreateInstance(_workerIdentifier.ToString()), true);
_currentWorkers.Add(newInstance);
return(newInstance);
}
return(null);
}
}
private void InitializeWorkers(int workerMinimum, IWorkerFactory <T> workerFactory)
{
var spinLock = new SpinLock();
Parallel.For(0, workerMinimum, i =>
{
bool lockHasBeenTaken = false;
try
{
var workerItem = new WorkerItem <T>(workerFactory.CreateInstance(_workerIdentifier.ToString()), true);
spinLock.Enter(ref lockHasBeenTaken);
_currentWorkers.Add(workerItem);
}
finally
{
if (lockHasBeenTaken)
{
spinLock.Exit();
}
}
});
}