* Then convert the rate to an absolute number for the
     * FLOW_RECONCILE_PERIOD.
     * @return
     */
    protected int getCurrentCapacity() {
        ICounter pktInCounter =
            counterStore.getCounter(controllerPktInCounterName);
        int minFlows = MIN_FLOW_RECONCILE_PER_SECOND *
                        FLOW_RECONCILE_DELAY_MILLISEC / 1000;
        // If no packetInCounter, then there shouldn't be any flow.
        if (pktInCounter == null ||
            pktInCounter.getCounterDate() == null ||
            pktInCounter.getCounterValue() == null) {
            logger.debug("counter {} doesn't exist",
                        controllerPktInCounterName);
            return minFlows;
        }