public static ResetLazy <T> WithoutInvalidations <T>(Func <T> func, LazyThreadSafetyMode mode = LazyThreadSafetyMode.ExecutionAndPublication) where T : class
{
ResetLazy <T> result = new ResetLazy <T>(() =>
{
using (ExecutionMode.Global())
using (HeavyProfiler.Log("ResetLazy", () => typeof(T).TypeName()))
using (Transaction tr = Transaction.InTestTransaction ? null : Transaction.ForceNew())
using (new EntityCache(EntityCacheType.ForceNewSealed))
{
var value = func();
if (tr != null)
{
tr.Commit();
}
return(value);
}
}, mode,
declaringType: func.Method.DeclaringType);
registeredLazyList.Add(result);
return(result);
}
static Expression <Func <T, bool> > GetFilterAutomatic <T>(Table table) where T : Entity
{
if (table.PrimaryKey.Identity)
{
var max = ExecutionMode.Global().Using(_ => Database.Query <T>().Max(a => (PrimaryKey?)a.Id));
if (max == null)
{
return(a => true);
}
return(a => a.Id > max);
}
var count = ExecutionMode.Global().Using(_ => Database.Query <T>().Count());
if (count == 0)
{
return(a => true);
}
throw new InvalidOperationException($"Impossible to determine the filter for the IDs query automatically because the table is not Identity and has rows");
}