1 /*
2  * Copyright (c) 2021 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 "kvdb_windowed_result_set.h"
16 
17 #include "db_errno.h"
18 
19 namespace DistributedDB {
KvDBWindowedResultSet()20 KvDBWindowedResultSet::KvDBWindowedResultSet()
21     : window_(nullptr)
22 {
23 }
24 
~KvDBWindowedResultSet()25 KvDBWindowedResultSet::~KvDBWindowedResultSet()
26 {
27     window_ = nullptr;
28 }
29 
Open(bool isMemDb)30 int KvDBWindowedResultSet::Open(bool isMemDb)
31 {
32     return -E_NOT_SUPPORT;
33 }
34 
GetCount() const35 int KvDBWindowedResultSet::GetCount() const
36 {
37     return 0;
38 }
39 
GetPosition() const40 int KvDBWindowedResultSet::GetPosition() const
41 {
42     return -1; // return invalid position
43 }
44 
Move(int offset) const45 int KvDBWindowedResultSet::Move(int offset) const
46 {
47     return -E_NOT_SUPPORT;
48 }
49 
MoveTo(int position) const50 int KvDBWindowedResultSet::MoveTo(int position) const
51 {
52     return -E_NOT_SUPPORT;
53 }
54 
MoveToFirst()55 int KvDBWindowedResultSet::MoveToFirst()
56 {
57     return -E_NOT_SUPPORT;
58 }
59 
MoveToLast()60 int KvDBWindowedResultSet::MoveToLast()
61 {
62     return -E_NOT_SUPPORT;
63 }
64 
IsFirst() const65 bool KvDBWindowedResultSet::IsFirst() const
66 {
67     return -E_NOT_SUPPORT;
68 }
69 
IsLast() const70 bool KvDBWindowedResultSet::IsLast() const
71 {
72     return -E_NOT_SUPPORT;
73 }
74 
IsBeforeFirst() const75 bool KvDBWindowedResultSet::IsBeforeFirst() const
76 {
77     return -E_NOT_SUPPORT;
78 }
79 
IsAfterLast() const80 bool KvDBWindowedResultSet::IsAfterLast() const
81 {
82     return -E_NOT_SUPPORT;
83 }
84 
GetEntry(Entry & entry) const85 int KvDBWindowedResultSet::GetEntry(Entry &entry) const
86 {
87     return -E_NOT_SUPPORT;
88 }
89 
Close()90 int KvDBWindowedResultSet::Close()
91 {
92     return E_OK;
93 }
94 } // namespace DistributedDB
95