| /* |
| * Copyright (C) 2017 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 <string> |
| |
| namespace config { |
| // FilePartition class manages partition image files. |
| // Partition image files can be reused or created on demand. Temporary images |
| // are deleted when corresponding instances of FilePartition object are |
| // destroyed. |
| class FilePartition { |
| public: |
| ~FilePartition(); |
| |
| // Create FilePartition object from existing file. |
| // Specified file will not be disposed of after this instance is destroyed. |
| static std::unique_ptr<FilePartition> ReuseExistingFile( |
| const std::string& path); |
| |
| // Create FilePartition object at specified location and initialize content. |
| // Specified file will not be disposed of after this instance is destroyed. |
| static std::unique_ptr<FilePartition> CreateNewFile(const std::string& path, |
| int size_mb); |
| |
| // Create temporary FilePartition object using supplied prefix. |
| // Newly created file will be deleted after this instance is destroyed. |
| static std::unique_ptr<FilePartition> CreateTemporaryFile( |
| const std::string& prefix, int size_mb); |
| |
| const std::string& GetName() const { return name_; } |
| |
| private: |
| std::string name_; |
| bool should_delete_ = false; |
| |
| FilePartition(const std::string& name, bool should_delete) |
| : name_(name), should_delete_(should_delete) {} |
| |
| FilePartition(const FilePartition&) = delete; |
| FilePartition& operator=(const FilePartition&) = delete; |
| }; |
| |
| } // namespace config |