chromium/components/value_store/lazy_leveldb.h

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_VALUE_STORE_LAZY_LEVELDB_H_
#define COMPONENTS_VALUE_STORE_LAZY_LEVELDB_H_

#include <memory>
#include <optional>
#include <string>

#include "base/files/file_path.h"
#include "base/memory/raw_ptr.h"
#include "base/metrics/histogram_base.h"
#include "base/values.h"
#include "components/value_store/value_store.h"
#include "third_party/leveldatabase/env_chromium.h"
#include "third_party/leveldatabase/src/include/leveldb/db.h"

namespace leveldb {
class Iterator;
}  // namespace leveldb

namespace value_store {

// Manages a lazy connection to a leveldb database. "lazy" means that the
// leveldb database will be opened, when necessary, when any *public* method is
// called. Derived classes are responsible for calling EnsureDbIsOpen() before
// calling any other *protected* method.
class LazyLevelDb { … };

}  // namespace value_store

#endif  // COMPONENTS_VALUE_STORE_LAZY_LEVELDB_H_