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//
// Copyright (C) 2020 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef UPDATE_ENGINE_COMMON_EXCLUDER_INTERFACE_H_
#define UPDATE_ENGINE_COMMON_EXCLUDER_INTERFACE_H_
#include <memory>
#include <string>
#include <base/macros.h>
namespace chromeos_update_engine {
class PrefsInterface;
// TODO(b/171829801): Move this interface to 'cros' directory. 'aosp' in no way
// is using this. Not even the stub implementation.
class ExcluderInterface {
public:
virtual ~ExcluderInterface() = default;
// Returns true on successfuly excluding |name|, otherwise false. On a
// successful |Exclude()| the passed in |name| will be considered excluded
// and calls to |IsExcluded()| will return true. The exclusions are persisted.
virtual bool Exclude(const std::string& name) = 0;
// Returns true if |name| reached the exclusion limit, otherwise false.
virtual bool IsExcluded(const std::string& name) = 0;
// Returns true on sucessfully reseting the entire exclusion state, otherwise
// false. On a successful |Reset()| there will be no excluded |name| in the
// exclusion state.
virtual bool Reset() = 0;
// Not copyable or movable
ExcluderInterface(const ExcluderInterface&) = delete;
ExcluderInterface& operator=(const ExcluderInterface&) = delete;
ExcluderInterface(ExcluderInterface&&) = delete;
ExcluderInterface& operator=(ExcluderInterface&&) = delete;
protected:
ExcluderInterface() = default;
};
std::unique_ptr<ExcluderInterface> CreateExcluder();
} // namespace chromeos_update_engine
#endif // UPDATE_ENGINE_COMMON_EXCLUDER_INTERFACE_H_
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