mTimestamps.put(now, i.next());
mTimestamps.put(getTimestamp(), i.next());
    public void putAll(Map t) {        prune();        Long now = new Long(System.currentTimeMillis());        Iterator i = t.keySet().iterator();        while (i.hasNext()) {            mTimestamps.put(now, i.next());        }        mMap.putAll(t);    }