internal override IntArrayList GetMatchingResources( out bool sortedById )
{
bool lhsSortedById = false;
IntArrayList result = _lhs.GetMatchingResources( out lhsSortedById );
if ( _rhs.GetSelectionCost() >= 3 )
{
for( int i=result.Count-1; i >= 0; i-- )
{
IResource resource;
try
{
resource = MyPalStorage.Storage.LoadResource( result [i], true, _lhs.GetKnownType() );
}
catch( InvalidResourceIdException )
{
result.RemoveAt( i );
continue;
}
if ( resource.IsDeleted || _rhs.MatchResource( resource, null ) != PredicateMatch.None )
{
result.RemoveAt( i );
}
}
}
else
{
if ( !lhsSortedById )
{
result.Sort();
lhsSortedById = true;
}
object rhsSyncObject;
IntArrayList minus = _rhs.GetSortedMatchingResourcesRef( out rhsSyncObject );
if ( rhsSyncObject == null )
{
result.MinusSorted( minus );
}
else
{
lock( rhsSyncObject )
{
result.MinusSorted( minus );
}
}
}
sortedById = lhsSortedById;
return result;
}
internal void AddSource(ResourceListPredicate pred)
{
lock (this)
{
if (_sourcePredicatesSelective != null)
{
if (pred.GetSelectionCost() <= _minSelectionCost)
{
_sourcePredicatesSelective = AddPredicate(_sourcePredicatesSelective, pred);
}
else
{
_sourcePredicatesFiltering = AddPredicate(_sourcePredicatesFiltering, pred);
}
}
_sourcePredicates = AddPredicate(_sourcePredicates, pred);
}
}
internal override int GetSelectionCost()
{
return _lhs.GetSelectionCost();
}
