!7

sclass DirInfo {
  File file;
  long size;
}

module JavaXDirSizes extends DynObjectTable<DirInfo> {
  start {
    itemToMap = func(DirInfo d) -> Map {
      litorderedmap(
        Directory := f2s(d.file),
        "Size" := str_toM_questionMarkIfBelowZero(d.size))
    };
    
    // wait 10 seconds if booting, then every 10 minutes
    doEvery(dm_osStarting() ? 10.0 : 0.0, 600.0, r calcIt);
  }
  
  void calcIt {
    temp enter();
    new L<DirInfo> l;
    time "Calculate Dir Sizes" {
      for (File dir : allJavaXDirectories()) {
        long size = -1;
        pcall { size = guessClusteredDirSize(dir); }
        l.add(nu(DirInfo, file := dir, +size));
      }
    }
    setData(sortedByFieldDesc('size, l));
  }
}

Began life as a copy of #1018937