/// <summary>
/// This is the constructor for the task manager.
/// </summary>
/// <param name="dispatcher">The dispatcher function that is used to process the specific tasks.</param>
/// <param name="policy">The task manager policy.</param>
public TaskManager(Func <TransmissionPayload, Task> dispatcher, TaskManager.Policy policy)
: base(policy, nameof(TaskManager))
{
if (policy == null)
{
throw new ArgumentNullException($"{nameof(TaskManager)}: policy can not be null");
}
mPauseCheck = new ManualResetEventSlim();
mAvailability = new TaskAvailability(policy.PriorityLevels, policy.ConcurrentRequestsMax);
mTasksQueue = new QueueTrackerContainer <QueueTracker>(policy.PriorityLevels);
mProcessInternalQueue = new ConcurrentQueue <TaskTracker>();
mProcesses = new ConcurrentDictionary <string, TaskManagerProcessContext>();
Dispatcher = dispatcher ?? throw new ArgumentNullException($"{nameof(TaskManager)}: dispatcher can not be null");
if (!mPolicy.ProcessKillOverrunGracePeriod.HasValue)
{
mPolicy.ProcessKillOverrunGracePeriod = TimeSpan.FromSeconds(15);
}
mTaskRequests = new ConcurrentDictionary <Guid, TaskTracker>();
}
