code: public AlluxioURI getPath(InodeView inode) throws FileDoesNotExistException {
      StringBuilder builder = new StringBuilder();
      computePathForInode(inode, builder);
      return new AlluxioURI(builder.toString());
    }
docs: Returns the path for a particular inode. The inode and the path to the inode must already be
  locked.
  
  @param inode the inode to get the path for
  @return the {@link AlluxioURI} for the path of the inode
  @throws FileDoesNotExistException if the path does not exist