private static T ReduceTask <T>(int start, int end, int grainSize, ReduceDelegate <T> loopbody, CombineDelegate <T> combineMethod)
{
int num = end - start;
T result;
if (num > grainSize)
{
int middle = (num / 2) + start;
Future <T> task = new DelegateFuture <T>(delegate { return(ReduceTask(start, middle, grainSize, loopbody, combineMethod)); }).Start();
result = ReduceTask(middle, end, grainSize, loopbody, combineMethod);
return(combineMethod(result, task.Result()));
}
// grainSize is never less than 1, thus num cannot be less than one.
if (num == 1)
{
return(loopbody(start));
}
result = combineMethod(loopbody(start), loopbody(start + 1));
for (int i = start + 2; i < end; i++)
{
result = combineMethod(result, loopbody(i));
}
return(result);
}
public SyncabilityHelper(UIDevice device)
{
this._device = device ?? UIDeviceList.NullDevice;
this._isGuest = new DelegateFuture <bool>(() => this._device.IsGuest);
this._userId = new DelegateFuture <int>(() => this._device.UserId);
this._supportsUserCards = new DelegateFuture <bool>(() => this._device.SupportsUserCards);
this._supportsChannels = new DelegateFuture <bool>(() => this._device.SupportsChannels);
this._supportsApplications = new DelegateFuture <bool>(() => this._device.SupportsSyncApplications);
this._supportsRental = new DelegateFuture <bool>(() => this._device.SupportsRental);
this._supportsHD = new DelegateFuture <bool>(() => this._device.SupportsHD);
this._isUnlinked = new DelegateFuture <bool>(() => this.UserID == 0);
this._canSyncUserCards = new DelegateFuture <bool>(new CalculateValue <bool>(this.GetCanSyncUserCards));
this._canSyncChannels = new DelegateFuture <bool>(new CalculateValue <bool>(this.GetCanSyncChannels));
this._canSyncApplications = new DelegateFuture <bool>(new CalculateValue <bool>(this.GetCanSyncApplications));
this._canSyncRentalVideo = new DelegateFuture <bool>(new CalculateValue <bool>(this.GetCanSyncRentalVideo));
this._canSyncHDRentalVideo = new DelegateFuture <bool>(new CalculateValue <bool>(this.GetCanSyncHDRentalVideo));
}
