How to use

CndFileUtils$L1Cache

in

org.netbeans.modules.cnd.utils.cache

private static ConcurrentMap<String, Flags> getFilesMap(FileSystem fs) {
  ConcurrentMap<String, Flags> map;
  if (CndTraceFlags.L1_CACHE_FILE_UTILS) {
    L1Cache aCache = l1Cache;
    if (aCache != null) {
      map = aCache.get(fs);
      if (map != null) {
        return map;
      }
    }
  }
  try {
    maRefLock.lock();
    Reference<ConcurrentMap<String, Flags>> mapRef = maps.get(fs);
    if (mapRef == null || (map = mapRef.get()) == null) {
      map = new ConcurrentHashMap<String, Flags>();
      mapRef = new SoftReference<ConcurrentMap<String, Flags>>(map);
      maps.put(fs, mapRef);
      if (CndTraceFlags.L1_CACHE_FILE_UTILS) {
        l1Cache = new L1Cache(fs, mapRef);
      }
    }
  } finally {
    maRefLock.unlock();
  }
  return map;
}