consecutiveFailures.get(), getSuccessRate());
    }

    /**
     * Calculate success rate
     *
     * @return success rate (0.0 to 1.0)
     */
    private double getSuccessRate() {
        long total = totalCalls.get();
        if (total == 0) {
            return 1.0;
        }

            return firstConnectionTime;
        }

        public long getLastActivityTime() {
            return lastActivityTime;
        }

        public double getSuccessRate() {
            long total = successCount.get() + failureCount.get();
            return total > 0 ? (double) successCount.get() / total : 1.0;
        }
    }

    /**