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author | Kenji Hosokawa <khosokawa@jp.adit-jv.com> | 2020-08-24 21:58:42 +0900 |
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committer | Kenji Hosokawa <khosokawa@jp.adit-jv.com> | 2020-08-24 21:58:42 +0900 |
commit | 2b4ae7fde370bc3316ab30cc38b74d23e785b360 (patch) | |
tree | 41b6eb70b3419c2fbd192ed133c5890a985eddec /src/core/logic/RBARollbacker.hpp | |
parent | 6694a4d2952ebd171564932200cac00d6e5792f4 (diff) |
First commitjellyfish_9.99.4jellyfish/9.99.49.99.4
Signed-off-by: Kenji Hosokawa <khosokawa@jp.adit-jv.com>
Change-Id: I381abb0a6521f5349768a76ef7ceecbce4b2d701
Diffstat (limited to 'src/core/logic/RBARollbacker.hpp')
-rw-r--r-- | src/core/logic/RBARollbacker.hpp | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/core/logic/RBARollbacker.hpp b/src/core/logic/RBARollbacker.hpp new file mode 100644 index 0000000..08ee4e9 --- /dev/null +++ b/src/core/logic/RBARollbacker.hpp @@ -0,0 +1,84 @@ +/** + * Copyright (c) 2019 DENSO CORPORATION. + * + * 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. + */ + +/** + * Rollbacker (rollback of arbitration results) class header + */ + +#ifndef RBARROLLBACKER_HPP +#define RBARROLLBACKER_HPP + +#include <unordered_map> +#include <memory> +#include <list> + +namespace rba +{ +class RBAModel; +class RBAAllocatable; +class RBAArbitrator; + +class RBARollbacker +{ + public: + RBARollbacker()=default; + RBARollbacker(const RBARollbacker&)=delete; + RBARollbacker(const RBARollbacker&&)=delete; + RBARollbacker& operator=(const RBARollbacker&)=delete; + RBARollbacker& operator=(const RBARollbacker&&)=delete; + virtual ~RBARollbacker() noexcept; + + /** + * Register a backup for child re-arbitration when execute re-arbitration + * during re-arbitration. + * Restore child backup when rolling back + */ + void addChild(const std::shared_ptr<RBARollbacker> child); + + void removeChild(const std::shared_ptr<RBARollbacker> child); + + /** + * Back up arbitration status and impact information. + * (Only "Allocatable" that directly arbitration is backed up) + * Child will back up re-arbitraion during execution of re-aribitration. + * + * Backing up all "Allocatable" on a model is inefficient, + * so back up only those that execute re-arbitration + */ + void backup(std::list<const RBAAllocatable*>& backuplist); + + /** + * Roll back the arbitration state and impact information to + * the state when the instance was created + */ + void rollback(); + + private: + /** + * @brief Copy Allocable arbitration state + * @param from source of copy + * @param to destination of copy + */ + void copyAllocatable(const RBAAllocatable* const from, RBAAllocatable* const to); + + std::list<std::shared_ptr<RBARollbacker>> children_; + // Rollback information when arbitration fails + std::unordered_map<const RBAAllocatable*, std::unique_ptr<RBAAllocatable>> backupMap_; +}; + +} + +#endif |