1 /* 2 * Copyright (c) 2022 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 DATASHARE_PROXY_H 17 #define DATASHARE_PROXY_H 18 19 #include <iremote_proxy.h> 20 #include <memory> 21 22 #include "idatashare.h" 23 24 namespace OHOS { 25 namespace DataShare { 26 class DataShareProxy final : public IRemoteProxy<IDataShare> { 27 public: DataShareProxy(const sptr<IRemoteObject> & remote)28 explicit DataShareProxy(const sptr<IRemoteObject>& remote) : IRemoteProxy<IDataShare>(remote) {} 29 ~DataShareProxy()30 virtual ~DataShareProxy() {} 31 32 virtual std::vector<std::string> GetFileTypes(const Uri &uri, const std::string &mimeTypeFilter) override; 33 34 virtual int OpenFile(const Uri &uri, const std::string &mode) override; 35 36 virtual int OpenRawFile(const Uri &uri, const std::string &mode) override; 37 38 virtual int Insert(const Uri &uri, const DataShareValuesBucket &value) override; 39 40 virtual int InsertExt(const Uri &uri, const DataShareValuesBucket &value, std::string &result) override; 41 42 virtual int Update(const Uri &uri, const DataSharePredicates &predicates, 43 const DataShareValuesBucket &value) override; 44 45 virtual int BatchUpdate(const UpdateOperations &operations, std::vector<BatchUpdateResult> &results) override; 46 47 virtual int Delete(const Uri &uri, const DataSharePredicates &predicates) override; 48 49 virtual std::shared_ptr<DataShareResultSet> Query(const Uri &uri, const DataSharePredicates &predicates, 50 std::vector<std::string> &columns, DatashareBusinessError &businessError) override; 51 52 virtual std::string GetType(const Uri &uri) override; 53 54 virtual int BatchInsert(const Uri &uri, const std::vector<DataShareValuesBucket> &values) override; 55 56 virtual int ExecuteBatch(const std::vector<OperationStatement> &statements, ExecResultSet &result) override; 57 58 virtual bool RegisterObserver(const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver) override; 59 60 virtual bool UnregisterObserver(const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver) override; 61 62 virtual bool NotifyChange(const Uri &uri) override; 63 64 virtual Uri NormalizeUri(const Uri &uri) override; 65 66 virtual Uri DenormalizeUri(const Uri &uri) override; 67 68 virtual std::pair<int32_t, int32_t> InsertEx(const Uri &uri, const DataShareValuesBucket &value) override; 69 70 virtual std::pair<int32_t, int32_t> UpdateEx(const Uri &uri, const DataSharePredicates &predicates, 71 const DataShareValuesBucket &value) override; 72 73 virtual std::pair<int32_t, int32_t> DeleteEx(const Uri &uri, const DataSharePredicates &predicates) override; 74 75 private: 76 bool CheckSize(const UpdateOperations &operations); 77 static inline BrokerDelegator<DataShareProxy> delegator_; 78 static const size_t MTU_SIZE = 921600; // 900k 79 static const size_t MAX_SIZE = 4000; 80 }; 81 } // namespace DataShare 82 } // namespace OHOS 83 #endif // DATASHARE_PROXY_H 84