Method FileCache

be/src/kudu/util/file_cache.cc:479–494

const char* const FileCache::kAlreadyDeleted = "File already marked as deleted";

FileCache::FileCache(const string& cache_name,
                     Env* env,
                     int max_open_files,
                     const scoped_refptr<MetricEntity>& entity)
    : env_(env),
      cache_name_(cache_name),
      eviction_cb_(new EvictionCallback()),
      cache_(NewCache(max_open_files, cache_name)),
      running_(1) {
  if (entity) {
    unique_ptr<FileCacheMetrics> metrics(new FileCacheMetrics(entity));
    cache_->SetMetrics(std::move(metrics), Cache::ExistingMetricsPolicy::kKeep);
  }
  LOG(INFO) << Substitute("Constructed file cache $0 with capacity $1",
                          cache_name, max_open_files);
}

FileCache::~FileCache() {
  running_.CountDown();