public static void registerConnectionManager()

in src/main/java/com/alibaba/cloudapi/sdk/client/ApacheIdleConnectionCleaner.java [43:53]

• 11 lines of code
• 3 McCabe index (conditional complexity)

    public static void registerConnectionManager(HttpClientConnectionManager connMgr, Long idleTimeMills){
        if (instance == null) {
            synchronized (ApacheIdleConnectionCleaner.class) {
                if (instance == null) {
                    instance = new ApacheIdleConnectionCleaner();
                    instance.start();
                }
            }
        }
        connMgrMap.put(connMgr, idleTimeMills);
    }