public static int getProcessId()

in impl/src/main/java/org/apache/rocketmq/remoting/internal/JvmUtils.java [68:91]

• 20 lines of code
• 5 McCabe index (conditional complexity)

    public static int getProcessId() {
        String pid = null;
        final File self = new File("/proc/self");
        try {
            if (self.exists()) {
                pid = self.getCanonicalFile().getName();
            }
        } catch (IOException ignored) {
            //Ignore it
        }

        if (pid == null) {
            pid = ManagementFactory.getRuntimeMXBean().getName().split("@", 0)[0];
        }

        if (pid == null) {
            int rpid = new Random().nextInt(1 << 16);
            LOG.warn("Unable to determine PID, picked a random number {}", rpid);

            return rpid;
        } else {
            return Integer.parseInt(pid);
        }
    }