Method LookupFromCache

be/src/kudu/util/file_cache.cc:146–149

Retrieves a pointer to an open file object from the file cache with the filename as the cache key. Returns a handle to the looked up entry. The handle may or may not contain an open file, depending on whether the cache hit or missed.

  // Returns a handle to the looked up entry. The handle may or may not contain
  // an open file, depending on whether the cache hit or missed.
  ScopedOpenedDescriptor<FileType> LookupFromCache() const {
    return ScopedOpenedDescriptor<FileType>(
        this, cache()->Lookup(filename(), Cache::EXPECT_IN_CACHE));
  }

  // Mark this descriptor as to-be-deleted later.
  void MarkDeleted() {