Set<CheckWork> set = this.getUserDao().getAll(qf).get(0).getActionCheckWorks();
for(CheckWork checkWork : set){
  if(checkWork.getState()==1){
    set.remove(checkWork);
  }
}

List<CheckWork> list = this.getUserDao().getAll();
Iterator<CheckWork> chk_it = list.iterator();
while(chk_it.hasNext()){
  CheckWork checkWork = chk_it.next();
  if(checkWork.getPlanState()==1){
    chk_it.remove();
  }
}

Set<CheckWork> set = this.getUserDao().getAll().get(0).getActionCheckWorks();
  Iterator<CheckWork> it = set.iterator();
  while(it.hasNext()){
   CheckWork checkWork = it.next();
   if(checkWork.getState()==1){
    it.remove();
   }
  }