private boolean isLocked()

in hbase-oss/src/main/java/org/apache/hadoop/hbase/oss/sync/ZKTreeLockManager.java [338:357]

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

  private boolean isLocked(InterProcessMutex lock) throws IOException {
    try {
      if (lock.isOwnedByCurrentThread()) {
        // First check the current thread, because we allow you to get locks
        // when parent or child paths are only locked by you.
        return false;
      }
      if (lock.isAcquiredInThisProcess()) {
        // We know it's not this thread, but this is less expensive
        // than checking other processes.
        return true;
      }
      return !lock.getParticipantNodes().isEmpty();
    } catch (KeeperException.NoNodeException e){
      return false;
    } catch (Exception e) {
      logCaller();
      throw new IOException("Exception while testing a lock", e);
    }
  }