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 #include "cloud_force_pull_strategy.h"
16
17 namespace DistributedDB {
18
TagSyncDataStatus(bool existInLocal,LogInfo & localInfo,LogInfo & cloudInfo,std::set<Key> & deletePrimaryKeySet)19 OpType CloudForcePullStrategy::TagSyncDataStatus(bool existInLocal, LogInfo &localInfo, LogInfo &cloudInfo,
20 std::set<Key> &deletePrimaryKeySet)
21 {
22 if (existInLocal) {
23 if (!IsDelete(localInfo) && IsDelete(cloudInfo)) {
24 (void)deletePrimaryKeySet.insert(localInfo.hashKey);
25 return OpType::DELETE;
26 } else if (IsDelete(cloudInfo)) {
27 return OpType::UPDATE_TIMESTAMP;
28 }
29 if (IsDelete(localInfo) || deletePrimaryKeySet.find(localInfo.hashKey) != deletePrimaryKeySet.end()) {
30 return OpType::INSERT;
31 }
32 return OpType::UPDATE;
33 }
34 bool gidEmpty = localInfo.cloudGid.empty();
35 if (IsDelete(cloudInfo)) {
36 return gidEmpty ? OpType::NOT_HANDLE : OpType::DELETE;
37 }
38 return gidEmpty ? OpType::INSERT : OpType::UPDATE;
39 }
40
JudgeUpdateCursor()41 bool CloudForcePullStrategy::JudgeUpdateCursor()
42 {
43 return true;
44 }
45
JudgeUpload()46 bool CloudForcePullStrategy::JudgeUpload()
47 {
48 return false;
49 }
50 }