public String getArchiveFileName() {
      if (archive != null) {
        return archive.getFile().getPath();
      } else {
        return "";
      }
    }
Return the name of the file this archive was stored in or an empty string if the archive was
not stored in a file.
geode-core/src/main/java/org/apache/geode/internal/statistics/StatArchiveReader.java