realm for android java save gist

realm save

private <E extends RealmModel> E saveToRealm(E model) {
        E result_model;
        try {
            Realm realm = Realm.getDefaultInstance();
            realm.beginTransaction();
            result_model = realm.copyToRealmOrUpdate(model);
            realm.commitTransaction();
            realm.close();
        } catch (RealmException ex) {
            throw ex;
        }
        return result_model;
    }