public boolean exists(final FileSystem fs) throws IOException {
    for (int i = 0; i < locations.length; ++i) {
      if (fs.exists(locations[i])) {
        return true;
      }
    }
    return false;
  }
Returns true if the file pointed by the link exists
hbase-server/src/main/java/org/apache/hadoop/hbase/io/FileLink.java