@Override
    public boolean hasNext() {
        int i = index;
        while (i < fieldList.size()) {
            if (fieldList.get(i).isToken())
                return true;
            i++;
        }
        return false;
    }
A specialized list iterator to manipulate tokens in HitField objects.

@author Steinar Knutsen
container-search/src/main/java/com/yahoo/prelude/hitfield/TokenFieldIterator.java