public void SaveOrUpdate <T>(T entity, int?parentId) where T : class, IEntity, new()
{
var entityMap = domainMap.GetMapFor <T>();
if (entity.IsTransient)
{
var commandSpec = entityMap.GetInsertCommand(entity, parentId);
ExecuteNonQuery(commandSpec);
var getIdCommandSpec = dbAdapter.CreateLastInsertIdCommand();
var getIdCommand = getIdCommandSpec.CreateCommand(dbAdapter, connection);
var result = getIdCommand.ExecuteScalar();
var id = Convert.ToInt32(result);
entity.SetId(id);
}
else
{
ExecuteNonQuery(entityMap.GetUpdateCommand(entity, parentId));
}
Cascade(entityMap, entity);
}