1 /* 2 * Copyright (c) 2023 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 GENERAL_CONTROLLER_H 17 #define GENERAL_CONTROLLER_H 18 19 #include <memory> 20 #include <string_ex.h> 21 22 #include "datashare_business_error.h" 23 #include "datashare_predicates.h" 24 #include "datashare_result_set.h" 25 #include "datashare_values_bucket.h" 26 #include "uri.h" 27 28 namespace OHOS { 29 namespace AAFwk { 30 class IDataAbilityObserver; 31 } 32 33 namespace DataShare { 34 class GeneralController { 35 public: 36 virtual ~GeneralController() = default; 37 38 virtual int Insert(const Uri &uri, const DataShareValuesBucket &value) = 0; 39 40 virtual int Update(const Uri &uri, const DataSharePredicates &predicates, const DataShareValuesBucket &value) = 0; 41 42 virtual int Delete(const Uri &uri, const DataSharePredicates &predicates) = 0; 43 44 virtual std::shared_ptr<DataShareResultSet> Query(const Uri &uri, const DataSharePredicates &predicates, 45 std::vector<std::string> &columns, DatashareBusinessError &businessError) = 0; 46 47 virtual void RegisterObserver(const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver) = 0; 48 49 virtual void UnregisterObserver(const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver) = 0; 50 51 virtual void NotifyChange(const Uri &uri) = 0; 52 }; 53 } // namespace DataShare 54 } // namespace OHOS 55 #endif // GENERAL_CONTROLLER_H 56