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
18namespace OHOS {
19namespace DataShare {
20std::shared_ptr<DataShareHelper> DataShareHelper::instance_;
21DataSharePredicates *DataSharePredicates::EqualTo(const std::string &field, const std::string &value)
22{
23    return this;
24}
25
26int32_t DataShareResultSet::GetRowCount(int32_t &count)
27{
28    count = 1;
29    return 0;
30}
31
32int32_t DataShareResultSet::Close()
33{
34    return 0;
35}
36
37int32_t DataShareResultSet::GoToFirstRow()
38{
39    return 0;
40}
41
42int32_t DataShareResultSet::GetColumnIndex(const std::string &columnName, int32_t &columnIndex)
43{
44    columnIndex = 1;
45    return 0;
46}
47
48int32_t DataShareResultSet::GetString(int columnIndex, std::string &value) const
49{
50    value = strValue_;
51    return 0;
52}
53
54std::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
64std::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
74void DataShareHelper::RegisterObserver(const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver)
75{
76    return;
77}
78
79void DataShareHelper::UnregisterObserver(const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver)
80{
81    return;
82}
83
84bool DataShareHelper::Release()
85{
86    return true;
87}
88
89int DataShareHelper::Update(Uri &uri, const DataSharePredicates &predicates, const DataShareValuesBucket &value)
90{
91    return 0;
92}
93
94int DataShareHelper::Insert(Uri &uri, const DataShareValuesBucket &value)
95{
96    return 0;
97}
98} // namespace DataShare
99} // namespace OHOS
100