private bool SubmitChanges(EntitySession.TrackedItem item)
{
switch (item.State)
{
case SubmitAction.Update:
base.ProviderTable.Update(item.Instance);
return(true);
case SubmitAction.PossibleUpdate:
if ((item.Original == null) || !this.Mapping.IsModified(item.Entity, item.Instance, item.Original))
{
break;
}
base.ProviderTable.Update(item.Instance);
return(true);
case SubmitAction.Insert:
base.ProviderTable.Insert(item.Instance);
return(true);
case SubmitAction.InsertOrUpdate:
base.ProviderTable.InsertOrUpdate(item.Instance);
return(true);
case SubmitAction.Delete:
base.ProviderTable.Delete(item.Instance);
return(true);
}
return(false);
}
private void AcceptChanges(EntitySession.TrackedItem item)
{
switch (item.State)
{
case SubmitAction.Update:
case SubmitAction.PossibleUpdate:
this.AssignAction((T)item.Instance, SubmitAction.PossibleUpdate);
break;
case SubmitAction.Insert:
this.AddToCache((T)item.Instance);
this.AssignAction((T)item.Instance, SubmitAction.PossibleUpdate);
break;
case SubmitAction.InsertOrUpdate:
this.AddToCache((T)item.Instance);
this.AssignAction((T)item.Instance, SubmitAction.PossibleUpdate);
break;
case SubmitAction.Delete:
this.RemoveFromCache((T)item.Instance);
this.AssignAction((T)item.Instance, SubmitAction.None);
break;
}
}
bool EntitySession.ITrackedTable.SubmitChanges(EntitySession.TrackedItem item)
{
return(this.SubmitChanges(item));
}
void EntitySession.ITrackedTable.AcceptChanges(EntitySession.TrackedItem item)
{
this.AcceptChanges(item);
}
internal Edge(EntitySession.TrackedItem source, EntitySession.TrackedItem target)
{
this.Source = source;
this.Target = target;
this.hash = this.Source.GetHashCode() + this.Target.GetHashCode();
}
