check this example : http://stackoverflow.com/questions/2772305/jpql-in-clause-java-arrays-or-lists-sets
– priliaJun 05 '14 at 11:38
and this one !http://stackoverflow.com/questions/19886903/generation-query-when-the-manytomany-relationship-is-used-by-spring-data-jpa-pro
– priliaJun 05 '14 at 11:49