private List getSortedKeys()

in common/src/main/java/jetbrains/buildServer/torrent/seeder/TorrentFilesDB.java [156:177]

• 20 lines of code
• 4 McCabe index (conditional complexity)

  private List<FileInfo> getSortedKeys() {
    List<FileInfo> sorted;
    synchronized (myFile2TorrentMap) {
      sorted = new ArrayList<FileInfo>(myFile2TorrentMap.get().keySet());
    }
    // cache lastModifiedTime on first read to avoid IllegalArgumentException: Comparison method violates its general contract (TW-44581)
    final Map<FileInfo, Long> lastModifiedCache = new HashMap<FileInfo, Long>();
    Collections.sort(sorted, new Comparator<FileInfo>() {
      public int compare(FileInfo o1, FileInfo o2) {
        // from lowest to highest
        if (lastModifiedCache.get(o1) == null){
          lastModifiedCache.put(o1, o1.lastModified());
        }
        if (lastModifiedCache.get(o2) == null){
          lastModifiedCache.put(o2, o2.lastModified());
        }
        final int compareTime = lastModifiedCache.get(o1).compareTo(lastModifiedCache.get(o2));
        return compareTime != 0 ? compareTime : o1.getFile().getAbsolutePath().compareTo(o2.getFile().getAbsolutePath());
      }
    });
    return sorted;
  }