private AutoLock innerLock()

in hbase-oss/src/main/java/org/apache/hadoop/hbase/oss/sync/TreeLockManager.java [569:593]

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

  private AutoLock innerLock(Path[] paths) throws IOException {
    for (int i = 0; i < paths.length; i++) {
      LOG.debug("About to lock: {}", paths[i]);
      treeReadLock(paths[i]);
    }
    return new AutoLock() {
      public void close() throws IOException {
        Throwable lastThrown = null;
        for (int i = 0; i < paths.length; i++) {
          LOG.debug("About to unlock: {}", paths[i]);
          try {
            readUnlock(paths[i]);
          } catch (Throwable e) {
            lastThrown = e;
            LOG.warn("Caught throwable while unlocking: {}", e.getMessage());
            e.printStackTrace();
          }
        }
        if (lastThrown != null) {
          throw new IOException("At least one throwable caught while unlocking",
                lastThrown);
        }
      }
    };
  }