note that id for phpcr-odm is the phpcr path. so this is not the same as PHPCR-38 where we talk about the uuid generator.
maybe the related refactoring could also provide a way to configure a name hint for the autoname generator. see also https://github.com/doctrine/phpcr-odm/pull/321
moved to github https://github.com/doctrine/phpcr-odm/issues/430