internal void Instantiate(bool optimize)
{
if (_list == null)
{
ResourceListPredicate oldPredicate = _predicate;
if (optimize)
{
_predicate = _predicate.Optimize(_isLive);
}
if (MyPalStorage.TraceOperations && !(_predicate is PlainListPredicate))
{
if (!Object.ReferenceEquals(oldPredicate, _predicate))
{
Trace.WriteLine("Predicate before optimization: " + oldPredicate.ToString());
}
Trace.WriteLine("Instantiating list " + _predicate.ToString());
}
bool predicateSortedById = false;
_list = _predicate.GetMatchingResources(out predicateSortedById);
if (_isLive && !_handlersAttached)
{
SetLive();
}
if (_lastComparer != null)
{
DoSort(_lastComparer, true);
}
else if (predicateSortedById)
{
_lastComparer = new ResourceComparer(this, new SortSettings(ResourceProps.Id, true), false);
}
}
}
private void DoSort(ResourceComparer comparer, bool instantiating)
{
lock (this)
{
_lastComparer = comparer;
if (_list == null || _list.Count == 0)
{
return;
}
if (_lastComparer.IsIdSort())
{
_list.Sort();
}
else if (_explicitSort)
{
// If we are sorting a list which has already been sorted,
// use RBTree-based stable sort
StableSort();
}
else
{
QuickSort(instantiating);
}
_explicitSort = true;
}
}