public boolean lock()

in hugegraph-common/src/main/java/org/apache/hugegraph/concurrent/AtomicLock.java [55:73]

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

    public boolean lock(int retries) {
        // The interval between retries is exponential growth, most wait
        // interval is 2^(retries-1)s. If retries=0, don't retry.
        if (retries < 0 || retries > 10) {
            throw new IllegalArgumentException(String.format(
                      "Locking retry times should be in [0, 10], but got %d",
                      retries));
        }

        boolean isLocked = false;
        try {
            for (int i = 0; !(isLocked = this.tryLock()) && i < retries; i++) {
                Thread.sleep(1000 * (1L << i));
            }
        } catch (InterruptedException ignored) {
            LOG.info("Thread sleep is interrupted.");
        }
        return isLocked;
    }