Pre-packaged Query

Query name="Semmle/StyleChecks/J2EE/Entity-Bean/with Bean-Managed Persistence/All entity-beans must be public, not abstract and not final"

Reports all Entity-Bean types with bean managed persistence that are not public or that are abstract or final.

from EntityBean ebean
where not(ebean.hasModifier("public")) or
      ebean.hasModifier("abstract") or
      ebean.hasModifier("final")
select ebean, ebean.toString() + " entity-bean with bean managed"
       + " persistence must be public, not abstract and not final"

References

Enterprise JavaBeans 2.1 - Specification, section 12.2.2