chromium/components/segmentation_platform/internal/database/cached_result_provider.h

// Copyright 2023 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_SEGMENTATION_PLATFORM_INTERNAL_DATABASE_CACHED_RESULT_PROVIDER_H_
#define COMPONENTS_SEGMENTATION_PLATFORM_INTERNAL_DATABASE_CACHED_RESULT_PROVIDER_H_

#include <optional>
#include <string>

#include "base/memory/raw_ref.h"
#include "base/memory/weak_ptr.h"
#include "components/segmentation_platform/internal/database/client_result_prefs.h"
#include "components/segmentation_platform/public/proto/prediction_result.pb.h"

namespace segmentation_platform {
struct Config;
class ClientResultPrefs;

// CachedResultProvider layer is to read results for clients from prefs at
// startup and cache it for the session. It does the following:
// 1. Reading the client result from the prefs on startup.
// 2. PostProcessing the client result.
// 3. Caching the post processed results and serving client requests from this
// cache. The cache is only read once on startup and never updated thereafter.
class CachedResultProvider { … };

}  // namespace segmentation_platform

#endif  // COMPONENTS_SEGMENTATION_PLATFORM_INTERNAL_DATABASE_CACHED_RESULT_PROVIDER_H_