chromium/components/policy/core/common/cloud/resource_cache.h

// Copyright 2013 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_POLICY_CORE_COMMON_CLOUD_RESOURCE_CACHE_H_
#define COMPONENTS_POLICY_CORE_COMMON_CLOUD_RESOURCE_CACHE_H_

#include <stdint.h>

#include <map>
#include <memory>
#include <optional>
#include <set>
#include <string>

#include "base/files/file_path.h"
#include "base/functional/callback_forward.h"
#include "base/memory/ref_counted.h"
#include "components/policy/policy_export.h"

namespace base {
class SequencedTaskRunner;
}

namespace policy {

// Manages storage of data at a given path. The data is keyed by a key and
// a subkey, and can be queried by (key, subkey) or (key) lookups.
// The contents of the cache have to be manually cleared using Delete() or
// Purge*().
// The class can be instantiated on any thread but from then on, it must be
// accessed via the |task_runner| only. The |task_runner| must support file I/O.
// The class needs to have exclusive control on cache directory since it should
// know about all files changes for correct recalculating cache directory size.
class POLICY_EXPORT ResourceCache { … };

}  // namespace policy

#endif  // COMPONENTS_POLICY_CORE_COMMON_CLOUD_RESOURCE_CACHE_H_