Method Lookup

src/leveldb/persistent_cache/persistent_cache_metadata.cc:20–29

}

PersistentCacheMetaData::CacheFileWrapper PersistentCacheMetaData::Lookup(uint64_t cache_id) {
  CacheFile* ret = nullptr;
  CacheFile lookup_key(cache_id);
  bool ok = cache_file_index_.Find(&lookup_key, &ret);
  if (ok) {
    assert(ret->refs_);
    return CacheFileWrapper{ret, [](CacheFile* f) { --f->refs_; }};
  }
  return nullptr;
}

CacheFile* PersistentCacheMetaData::Evict() {
  CacheFile* evicted_file = nullptr;