chromium/components/keyed_service/core/keyed_service_templated_factory.h

// Copyright 2024 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_KEYED_SERVICE_CORE_KEYED_SERVICE_TEMPLATED_FACTORY_H_
#define COMPONENTS_KEYED_SERVICE_CORE_KEYED_SERVICE_TEMPLATED_FACTORY_H_

#include <stddef.h>

#include <memory>
#include <type_traits>

#include "base/containers/flat_map.h"
#include "base/functional/callback_forward.h"
#include "base/memory/raw_scoped_refptr_mismatch_checker.h"
#include "base/memory/scoped_refptr.h"
#include "components/keyed_service/core/features_buildflags.h"
#include "components/keyed_service/core/keyed_service_base_factory.h"
#include "components/keyed_service/core/keyed_service_export.h"

// Templated sub-class for KeyedServiceBaseFactory.
//
// This allow to share the implementation between KeyedService factories and
// RefcountedKeyedService factories without any duplication. Code should not
// directly inherits from those, but instead should inherit from sub-classes
// that specialize the `context` type.
template <typename ServiceType>
class KEYED_SERVICE_EXPORT KeyedServiceTemplatedFactory
    : public KeyedServiceBaseFactory { … };

#endif  // COMPONENTS_KEYED_SERVICE_CORE_KEYED_SERVICE_TEMPLATED_FACTORY_H_