Method Set

be/src/runtime/io/handle-cache.inline.h:70–83

}

void FileHandleCache::Accessor::Set(
    FileHandleCachePartition::CacheType::Accessor&& cache_accessor) {
  // No change if it was empty before
  if (cache_accessor_.Get()) {
    ImpaladMetrics::IO_MGR_NUM_FILE_HANDLES_OUTSTANDING->Increment(-1L);
  }

  cache_accessor_ = std::move(cache_accessor);

  // No change if it has received an empty accessor
  if (cache_accessor_.Get()) {
    ImpaladMetrics::IO_MGR_NUM_FILE_HANDLES_OUTSTANDING->Increment(1L);
  }
}

CachedHdfsFileHandle* FileHandleCache::Accessor::Get() {
  return cache_accessor_.Get();