protected virtual void SetStatusManager(GroupStatusManager statusManager)
{
CheckDisposed();
if (statusManager == null)
{
throw new ArgumentNullException("statusManager");
}
else if (gsm != null)
{
throw new InvalidOperationException("StatusManager already set");
}
gsm = statusManager;
gsm.StatusChanged += OnStatusChangedHandler;
}
public virtual void Dispose(AutoResetEvent handle)
{
if (SetDisposed())
{
commandQueue.Dispose();
try {
lock (sync) {
tasks.TaskAdded -= OnTaskAddedHandler;
tasks.TaskRemoved -= OnTaskRemovedHandler;
tasks.CommandQueue = null;
if (tasks.Count > 0)
{
Disassociate(tasks);
}
}
gsm.StatusChanged -= OnStatusChangedHandler;
gsm.Dispose();
gpm.ProgressChanged -= OnProgressChangedHandler;
gpm.Reset();
} finally {
gpm = null;
gsm = null;
tasks = null;
}
if (executingHandle != null)
{
executingHandle.Close();
executingHandle = null;
}
if (execHandle != null)
{
execHandle.Close();
execHandle = null;
}
}
if (handle != null)
{
handle.Set();
}
}
protected TaskGroup(int maxRunningTasks,
TaskCollection <T> tasks,
GroupStatusManager statusManager,
GroupProgressManager <T> progressManager)
{
if (maxRunningTasks < 0)
{
throw new ArgumentException("maxRunningTasks must be >= 0");
}
else if (tasks == null)
{
throw new ArgumentNullException("tasks");
}
sync = tasks.SyncRoot;
currentTasks = new List <T> (maxRunningTasks);
commandQueue = new AsyncCommandQueue();
id = CommandQueueManager.Register(commandQueue);
SetProgressManager(
progressManager ?? new GroupProgressManager <T> ()
);
SetStatusManager(
statusManager ?? new GroupStatusManager()
);
try {
gsm.SuspendUpdate = true;
gsm.RemainingTasks = tasks.Count;
gsm.MaxRunningTasks = maxRunningTasks;
SetTaskCollection(tasks);
} finally {
gsm.SuspendUpdate = false;
gsm.Update();
}
}
public TaskGroup(int maxRunningTasks,
TaskCollection <T> tasks,
GroupStatusManager statusManager)
: this(maxRunningTasks, tasks, statusManager, null)
{
}
