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 "concurrent_map.h" 23 #include "dataobs_mgr_changeinfo.h" 24 #include "idatashare.h" 25 26 namespace OHOS { 27 namespace DataShare { 28 using ChangeInfo = AAFwk::ChangeInfo; 29 class DataShareProxy final : public IRemoteProxy<IDataShare> { 30 public: DataShareProxy(const sptr<IRemoteObject> & remote)31 explicit DataShareProxy(const sptr<IRemoteObject>& remote) : IRemoteProxy<IDataShare>(remote) {} 32 ~DataShareProxy()33 virtual ~DataShareProxy() {} 34 35 virtual std::vector<std::string> GetFileTypes(const Uri &uri, const std::string &mimeTypeFilter) override; 36 37 virtual int OpenFile(const Uri &uri, const std::string &mode) override; 38 39 int OpenFileWithErrCode(const Uri &uri, const std::string &mode, int32_t &errCode); 40 41 virtual int OpenRawFile(const Uri &uri, const std::string &mode) override; 42 43 virtual int Insert(const Uri &uri, const DataShareValuesBucket &value) override; 44 45 virtual int InsertExt(const Uri &uri, const DataShareValuesBucket &value, std::string &result) override; 46 47 virtual int Update(const Uri &uri, const DataSharePredicates &predicates, 48 const DataShareValuesBucket &value) override; 49 50 virtual int BatchUpdate(const UpdateOperations &operations, std::vector<BatchUpdateResult> &results) override; 51 52 virtual int Delete(const Uri &uri, const DataSharePredicates &predicates) override; 53 54 virtual std::shared_ptr<DataShareResultSet> Query(const Uri &uri, const DataSharePredicates &predicates, 55 std::vector<std::string> &columns, DatashareBusinessError &businessError) override; 56 57 virtual std::string GetType(const Uri &uri) override; 58 59 virtual int BatchInsert(const Uri &uri, const std::vector<DataShareValuesBucket> &values) override; 60 61 virtual int ExecuteBatch(const std::vector<OperationStatement> &statements, ExecResultSet &result) override; 62 63 virtual bool RegisterObserver(const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver) override; 64 65 virtual bool UnregisterObserver(const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver) override; 66 67 virtual bool NotifyChange(const Uri &uri) override; 68 69 virtual int RegisterObserverExtProvider(const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver, 70 bool isDescendants, RegisterOption option) override; 71 72 virtual int UnregisterObserverExtProvider(const Uri &uri, 73 const sptr<AAFwk::IDataAbilityObserver> &dataObserver) override; 74 75 virtual int NotifyChangeExtProvider(const ChangeInfo &changeInfo) override; 76 77 virtual Uri NormalizeUri(const Uri &uri) override; 78 79 virtual Uri DenormalizeUri(const Uri &uri) override; 80 81 virtual std::pair<int32_t, int32_t> InsertEx(const Uri &uri, const DataShareValuesBucket &value) override; 82 83 virtual std::pair<int32_t, int32_t> UpdateEx(const Uri &uri, const DataSharePredicates &predicates, 84 const DataShareValuesBucket &value) override; 85 86 virtual std::pair<int32_t, int32_t> DeleteEx(const Uri &uri, const DataSharePredicates &predicates) override; 87 88 virtual int32_t UserDefineFunc( 89 MessageParcel &data, MessageParcel &reply, MessageOption &option) override; 90 91 private: 92 bool CheckSize(const UpdateOperations &operations); 93 int OpenFileInner(const Uri &uri, const std::string &mode, uint32_t requestCode, int32_t &errCode); 94 static inline BrokerDelegator<DataShareProxy> delegator_; 95 static const size_t MTU_SIZE = 921600; // 900k 96 static const size_t MAX_SIZE = 4000; 97 }; 98 } // namespace DataShare 99 } // namespace OHOS 100 #endif // DATASHARE_PROXY_H 101