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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_UPDATE_MANAGER_MINIMUM_VERSION_POLICY_IMPL_H_
#define UPDATE_ENGINE_UPDATE_MANAGER_MINIMUM_VERSION_POLICY_IMPL_H_
#include <string>
#include "update_engine/common/error_code.h"
#include "update_engine/payload_consumer/install_plan.h"
#include "update_engine/update_manager/policy_utils.h"
namespace chromeos_update_manager {
// Check to see if an update happens from a version less than the minimum
// required one.
class MinimumVersionPolicyImpl : public PolicyImplBase {
public:
MinimumVersionPolicyImpl() = default;
~MinimumVersionPolicyImpl() override = default;
// If current version is less than the minimum required one, then this should
// not block the update to be applied.
EvalStatus UpdateCanBeApplied(
EvaluationContext* ec,
State* state,
std::string* error,
chromeos_update_engine::ErrorCode* result,
chromeos_update_engine::InstallPlan* install_plan) const override;
protected:
std::string PolicyName() const override { return "MinimumVersionPolicyImpl"; }
private:
MinimumVersionPolicyImpl(const MinimumVersionPolicyImpl&) = delete;
MinimumVersionPolicyImpl& operator=(const MinimumVersionPolicyImpl&) = delete;
};
} // namespace chromeos_update_manager
#endif // UPDATE_ENGINE_UPDATE_MANAGER_MINIMUM_VERSION_POLICY_IMPL_H_
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