Some problems about jbpm5.2 and hibernate

[zhaokai]

I have a project contains a java class and a hibernate.cfg.xml,Now I can use jbpm5.2 to create the database schema about the process instances.But I can't see my schema about the java class.Why?How can I integrate the hibernate?If possible,show me the source code and configuration file please.Thanks!My e-mail address:[e-mail]