public static void Reload(this InternalEntityEntry internalEntry, DbContext context)
{
if (internalEntry.EntityState == EntityState.Detached)
{
throw new InvalidOperationException("Can't reload an unknown entity");
}
if (internalEntry.EntityState == EntityState.Added)
{
throw new InvalidOperationException("Can't reload an added entity");
}
var storeValues = internalEntry.GetDatabaseValues(context);
if (storeValues == null)
{
internalEntry.SetEntityState(EntityState.Detached);
}
else
{
internalEntry.SetValues(storeValues);
internalEntry.SetOriginalValues(storeValues);
internalEntry.SetEntityState(EntityState.Unchanged);
}
}
public DbPropertyValues GetDatabaseValues()
{
var storeValues = _internalEntityEntry.GetDatabaseValues();
return(storeValues == null ? null : new DbPropertyValues(storeValues));
}