在JBoss Weld中开始服务持久性单元服务

I currently have an application that uses JBoss to start services and manage EJB using weld. When it goes to start our Persistence Unit Manager which uses custom classes, the @EJB annotations as well as the services are null and have not been called. Is there a way to set an order to force a service to start ahead of the persistence unit?I currently have an application that uses JBoss