A few of us discussed the hibernate Search metamodel, its use cases and how the API should look like as well as FieldBridge and how it could expose data for optimization and metadata integration. First meeting 2013-07-01 http://transcripts.jboss.org/meeting/irc.freenode.org/hibernate-dev/2013/... http://transcripts.jboss.org/meeting/irc.freenode.org/hibernate-dev/2013/... http://transcripts.jboss.org/meeting/irc.freenode.org/hibernate-dev/2013/... Second meeting 2013-07-02 http://transcripts.jboss.org/meeting/irc.freenode.org/hibernate-dev/2013/... http://transcripts.jboss.org/meeting/irc.freenode.org/hibernate-dev/2013/... http://transcripts.jboss.org/meeting/irc.freenode.org/hibernate-dev/2013/... While you guys decided to dodge the bullet on how the FieldBridge is supposed to expose the metadata, here is a proposal I started playing with. https://gist.github.com/emmanuelbernard/5908803 Names are not thought out but what do you think of the idea. It seems future proof. Emmanuel