| /* |
| * Copyright (C) 2018 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. |
| */ |
| |
| #pragma once |
| |
| #include <memory> |
| |
| #include "SchemaType.h" |
| #include "VintfObject.h" |
| |
| namespace android { |
| namespace vintf { |
| namespace details { |
| /** |
| * Simulate the state of VintfObject after an update. |
| * |
| * - Old metadata is stored in parent VintfObject. |
| * - New (updated) metadata is stored in this VintfObjectAfterUpdate |
| * - Dependencies are from the given VintfObject (dep) before construction. |
| */ |
| class VintfObjectAfterUpdate : public VintfObject { |
| public: |
| /* Use dependencies from the object dep. */ |
| VintfObjectAfterUpdate(VintfObject* dep) : mDependency(dep) {} |
| |
| std::shared_ptr<const HalManifest> getDeviceHalManifest(bool skipCache = false) override { |
| if (mDeviceManifest != nullptr) return mDeviceManifest; |
| return VintfObject::getDeviceHalManifest(skipCache); |
| } |
| |
| std::shared_ptr<const HalManifest> getFrameworkHalManifest(bool skipCache = false) override { |
| if (mFrameworkManifest != nullptr) return mFrameworkManifest; |
| return VintfObject::getFrameworkHalManifest(skipCache); |
| } |
| |
| std::shared_ptr<const CompatibilityMatrix> getDeviceCompatibilityMatrix( |
| bool skipCache = false) override { |
| if (mDeviceMatrix != nullptr) return mDeviceMatrix; |
| return VintfObject::getDeviceCompatibilityMatrix(skipCache); |
| } |
| |
| std::shared_ptr<const CompatibilityMatrix> getFrameworkCompatibilityMatrix( |
| bool skipCache = false) override { |
| if (mFrameworkMatrix != nullptr) return mFrameworkMatrix; |
| return VintfObject::getFrameworkCompatibilityMatrix(skipCache); |
| } |
| |
| const std::unique_ptr<FileSystem>& getFileSystem() override { |
| return mDependency->getFileSystem(); |
| } |
| |
| const std::unique_ptr<PropertyFetcher>& getPropertyFetcher() override { |
| return mDependency->getPropertyFetcher(); |
| } |
| |
| const std::unique_ptr<ObjectFactory<RuntimeInfo>>& getRuntimeInfoFactory() override { |
| return mDependency->getRuntimeInfoFactory(); |
| } |
| |
| bool set(const std::shared_ptr<HalManifest>& o) { |
| return set(o, &mDeviceManifest, &mFrameworkManifest); |
| } |
| |
| bool set(const std::shared_ptr<CompatibilityMatrix>& o) { |
| return set(o, &mDeviceMatrix, &mFrameworkMatrix); |
| } |
| |
| private: |
| VintfObject* mDependency = nullptr; |
| std::shared_ptr<HalManifest> mDeviceManifest; |
| std::shared_ptr<HalManifest> mFrameworkManifest; |
| std::shared_ptr<CompatibilityMatrix> mDeviceMatrix; |
| std::shared_ptr<CompatibilityMatrix> mFrameworkMatrix; |
| |
| template <typename T> |
| bool set(const std::shared_ptr<T>& o, std::shared_ptr<T>* dev, std::shared_ptr<T>* fwk) { |
| if (o->type() == SchemaType::DEVICE) { |
| if (*dev != nullptr) return false; |
| *dev = o; |
| return true; |
| } else if (o->type() == SchemaType::FRAMEWORK) { |
| if (*fwk != nullptr) return false; |
| *fwk = o; |
| return true; |
| } |
| return false; |
| } |
| }; |
| |
| } // namespace details |
| } // namespace vintf |
| } // namespace android |