hibernate - JPA Criteria Join did not give me a list -

hello i'm doing advanced search query using criteria , have this

    criteriabuilder criteriabuilder = entitymanager.getcriteriabuilder();     criteriaquery<tuple> criteriaquery = criteriabuilder.createtuplequery();      root<event> eventroot = criteriaquery.from(event.class);      join<event,community> communityjoin = eventroot.join("community", jointype.left);     join<event,user> user = eventroot.join("user", jointype.left);     join<event,device> device = eventroot.join("device", jointype.left);     join<event,list<auditlog>> auditlogs = eventroot.join("auditlogs", jointype.left); 

i have can see one-to-many relation auditlog entity (mapped auditlogs). i'm doing selection this

    selections.add(user.alias("user"));     selections.add(device.alias("device"));     selections.add(auditlogs.alias("auditlogs")); 

i'm getting result tuple list

    query query = entitymanager.createquery(criteriaquery);     list<tuple> tuples = (list<tuple>) query.getresultlist(); 

the problem whem i'm getting auditlogs tuple i'm getting auditlog object instead of list of auditlog

    tuples.get(0).get("auditlogs") 

am doing wrong?. don't know why can't have result list auditlog.