1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef MULTI_VER_SYNC_ENGINE_H 17 #define MULTI_VER_SYNC_ENGINE_H 18 19 #ifndef OMIT_MULTI_VER 20 #include "sync_engine.h" 21 22 namespace DistributedDB { 23 class MultiVerSyncEngine final : public SyncEngine { 24 public: MultiVerSyncEngine()25 MultiVerSyncEngine() {}; 26 27 DISABLE_COPY_ASSIGN_MOVE(MultiVerSyncEngine); 28 29 protected: ~MultiVerSyncEngine()30 ~MultiVerSyncEngine() override {}; 31 32 // Create a context 33 ISyncTaskContext *CreateSyncTaskContext() override; 34 35 private: 36 DECLARE_OBJECT_TAG(MultiVerSyncEngine); 37 }; 38 } // namespace DistributedDB 39 40 #endif // MULTI_VER_SYNC_ENGINE_H 41 #endif