private int?GetSortedIndex(IView view)
{
if (_views.Count == 0)
{
return(null);
}
if (ViewComparer != null)
{
for (var i = 0; i < _views.Count; i++)
{
if (ViewComparer.Compare(view, _views[i]) < 0)
{
return(i);
}
}
return(null);
}
if (ViewModelComparer != null)
{
for (var i = 0; i < _views.Count; i++)
{
if (ViewModelComparer.Compare(view.ViewModel, _views[i].ViewModel) < 0)
{
return(i);
}
}
return(null);
}
if (ModelComparer != null)
{
for (var i = 0; i < _views.Count; i++)
{
if (ModelComparer.Compare(view.ViewModel?.Model, _views[i].ViewModel?.Model) < 0)
{
return(i);
}
}
}
return(null);
}
void IEntityStoreOptions.UpdateFrom(EntityModel owner, IEntityStoreOptions other)
{
var from = (CqlStoreOptions)other;
if (from != null && from.HasMaterializedView)
{
var mvComparer = new ViewComparer();
var addedViews = from.MaterializedViews.Except(MaterializedViews, mvComparer);
foreach (var addedView in addedViews)
{
addedView.Import();
this.MaterializedViews.Add(addedView);
}
var removedViews = MaterializedViews.Except(from.MaterializedViews, mvComparer);
foreach (var removedView in removedViews)
{
removedView.MarkDelete();
}
// 暂不需要更新
// var otherViews = this.MaterializedViews.Intersect(from.MaterializedViews, mvComparer);
// foreach (var otherView in otherViews)
// {
// otherView.UpdateFrom(from.MaterializedViews.Single(t => t.Name == otherView.Name));
// }
}
else
{
if (HasMaterializedView)
{
for (int i = 0; i < _materializedViews.Count; i++)
{
_materializedViews[i].MarkDelete();
}
}
}
}
public RailView()
{
viewComparer = new ViewComparer();
latestUpdates = new Dictionary <EntityId, RailViewEntry>();
sortList = new List <KeyValuePair <EntityId, RailViewEntry> >();
}
