public void Save(Diff diff)
{
_database.Instance().Connection().Open();
using var transaction = _database.Instance().Connection().BeginTransaction();
try
{
if (!_database.Instance().Present())
{
_database.Instance().Create();
}
if (diff.PresentIn(_database.Entities().Works()))
{
throw new InvalidOperationException("The diff is already added.");
}
diff.AddTo(new DefaultEntityFactory(_database.Entities(), _formula));
transaction.Commit();
}
catch
{
transaction.Rollback();
throw;
}
finally
{
_database.Instance().Connection().Close();
}
}
