Use 'IN' with JPA on Playframework1.2.5

gistfile1.java

List<Long> gids = new ArrayList<Long>();

for(Grp g: myGrps){
    gids.add(g.id);
}
    		
List<Entry> allE = Entry.em().createQuery("SELECT E FROM Entry E WHERE E.group.id IN (:groupid)").setParameter("groupid",gids).getResultList();