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 #define LOG_TAG "UpdateStrategy"
16
17 #include "update_strategy.h"
18
19 #include "general/load_config_common_strategy.h"
20 #include "general/load_config_data_info_strategy.h"
21 #include "general/load_config_from_bundle_info_strategy.h"
22 #include "general/permission_strategy.h"
23 #include "general/process_single_app_user_cross_strategy.h"
24 #include "log_print.h"
25 #include "utils/anonymous.h"
26
27 namespace OHOS::DataShare {
Execute(std::shared_ptr<Context> context,const DataSharePredicates & predicate,const DataShareValuesBucket & valuesBucket)28 int64_t UpdateStrategy::Execute(
29 std::shared_ptr<Context> context, const DataSharePredicates &predicate, const DataShareValuesBucket &valuesBucket)
30 {
31 auto &preProcess = GetStrategy();
32 if (preProcess.IsEmpty()) {
33 ZLOGE("get strategy fail, maybe memory not enough");
34 return -1;
35 }
36 if (!preProcess(context)) {
37 ZLOGE("pre process fail, uri: %{public}s", DistributedData::Anonymous::Change(context->uri).c_str());
38 return -1;
39 }
40 auto delegate = DBDelegate::Create(context->calledSourceDir, context->version, true,
41 context->isEncryptDb, context->secretMetaKey);
42 if (delegate == nullptr) {
43 ZLOGE("malloc fail %{public}s %{public}s", context->calledBundleName.c_str(), context->calledTableName.c_str());
44 return -1;
45 }
46 return delegate->Update(context->calledTableName, predicate, valuesBucket);
47 }
48
GetStrategy()49 SeqStrategy &UpdateStrategy::GetStrategy()
50 {
51 std::lock_guard<decltype(mutex_)> lock(mutex_);
52 if (!strategies_.IsEmpty()) {
53 return strategies_;
54 }
55 std::initializer_list<Strategy *> list = {
56 new (std::nothrow)LoadConfigCommonStrategy(),
57 new (std::nothrow)LoadConfigFromBundleInfoStrategy(),
58 new (std::nothrow)PermissionStrategy(),
59 new (std::nothrow)LoadConfigDataInfoStrategy(),
60 new (std::nothrow)ProcessSingleAppUserCrossStrategy()
61 };
62 auto ret = strategies_.Init(list);
63 if (!ret) {
64 std::for_each(list.begin(), list.end(), [](Strategy *item) {
65 delete item;
66 });
67 return strategies_;
68 }
69 return strategies_;
70 }
71 } // namespace OHOS::DataShare