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 #include "datashare_helper.h"
17
18 namespace OHOS {
19 namespace DataShare {
20 std::shared_ptr<DataShareHelper> DataShareHelper::instance_;
EqualTo(const std::string & field,const std::string & value)21 DataSharePredicates *DataSharePredicates::EqualTo(const std::string &field, const std::string &value)
22 {
23 return this;
24 }
25
GetRowCount(int32_t & count)26 int32_t DataShareResultSet::GetRowCount(int32_t &count)
27 {
28 count = 1;
29 return 0;
30 }
31
Close()32 int32_t DataShareResultSet::Close()
33 {
34 return 0;
35 }
36
GoToFirstRow()37 int32_t DataShareResultSet::GoToFirstRow()
38 {
39 return 0;
40 }
41
GetColumnIndex(const std::string & columnName,int32_t & columnIndex)42 int32_t DataShareResultSet::GetColumnIndex(const std::string &columnName, int32_t &columnIndex)
43 {
44 columnIndex = 1;
45 return 0;
46 }
47
GetString(int columnIndex,std::string & value) const48 int32_t DataShareResultSet::GetString(int columnIndex, std::string &value) const
49 {
50 value = strValue_;
51 return 0;
52 }
53
Creator(const sptr<IRemoteObject> & token,const std::string & strUri,const std::string & extUri)54 std::shared_ptr<DataShareHelper> DataShareHelper::Creator(
55 const sptr<IRemoteObject> &token, const std::string &strUri, const std::string &extUri)
56 {
57 if (instance_ != nullptr) {
58 return instance_;
59 }
60 instance_ = std::make_shared<DataShareHelper>();
61 return instance_;
62 }
63
Query(Uri & uri,const DataSharePredicates & predicates,std::vector<std::string> & columns,DatashareBusinessError * businessError)64 std::shared_ptr<DataShareResultSet> DataShareHelper::Query(Uri &uri, const DataSharePredicates &predicates,
65 std::vector<std::string> &columns, DatashareBusinessError *businessError)
66 {
67 if (resultSet_ != nullptr) {
68 return resultSet_;
69 }
70 resultSet_ = std::make_shared<DataShareResultSet>();
71 return resultSet_;
72 }
73
RegisterObserver(const Uri & uri,const sptr<AAFwk::IDataAbilityObserver> & dataObserver)74 void DataShareHelper::RegisterObserver(const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver)
75 {
76 return;
77 }
78
UnregisterObserver(const Uri & uri,const sptr<AAFwk::IDataAbilityObserver> & dataObserver)79 void DataShareHelper::UnregisterObserver(const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver)
80 {
81 return;
82 }
83
Release()84 bool DataShareHelper::Release()
85 {
86 return true;
87 }
88
Update(Uri & uri,const DataSharePredicates & predicates,const DataShareValuesBucket & value)89 int DataShareHelper::Update(Uri &uri, const DataSharePredicates &predicates, const DataShareValuesBucket &value)
90 {
91 return 0;
92 }
93
Insert(Uri & uri,const DataShareValuesBucket & value)94 int DataShareHelper::Insert(Uri &uri, const DataShareValuesBucket &value)
95 {
96 return 0;
97 }
98 } // namespace DataShare
99 } // namespace OHOS
100