gistfile1.txt

String balance_ts_key = BALANCE_TS + principal.getName();
Map<String, String> tsValues = tsc.range(balance_ts_key, System.currentTimeMillis() - (1000 * 60 * 60 * 24 * 7),
        System.currentTimeMillis());
Balance[] balanceTs = new Balance[tsValues.size()];
int i = 0;
 
for (Entry<String, String> entry : tsValues.entrySet()) {
    Object keyString = entry.getKey();
    Object valueString = entry.getValue();
    balanceTs[i] = new Balance(keyString, valueString);
    i++;
}
return balanceTs;