1 /*
2 * Copyright (c) Huawei Technologies Co., Ltd. 2023. All rights reserved.
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 "demo_meta_table.h"
17 #include "trace_stdtype.h"
18
19 namespace SysTuning {
20 namespace TraceStreamer {
21 enum class Index : int32_t { NAMEINDEX = 0, VALUE };
DemoMetaTable(const TraceDataCache * dataCache)22 DemoMetaTable::DemoMetaTable(const TraceDataCache *dataCache) : DemoTableBase(dataCache)
23 {
24 demoTableColumn_.push_back(DemoTableBase::ColumnInfo("name", "TEXT"));
25 demoTableColumn_.push_back(DemoTableBase::ColumnInfo("value", "TEXT"));
26 demoTablePriKey_.push_back("name");
27 }
28
~DemoMetaTable()29 DemoMetaTable::~DemoMetaTable() {}
30
CreateCursor()31 std::unique_ptr<DemoTableBase::Cursor> DemoMetaTable::CreateCursor()
32 {
33 return std::make_unique<Cursor>(demoTraceDataCache_, this);
34 }
35
Cursor(const TraceDataCache * dataCache,DemoTableBase * table)36 DemoMetaTable::Cursor::Cursor(const TraceDataCache *dataCache, DemoTableBase *table)
37 : DemoTableBase::Cursor(dataCache, table, MetaDataItem::METADATA_ITEM_MAX)
38 {
39 }
40
~Cursor()41 DemoMetaTable::Cursor::~Cursor() {}
42
Column(int32_t demoMetaColumn) const43 int32_t DemoMetaTable::Cursor::Column(int32_t demoMetaColumn) const
44 {
45 switch (static_cast<Index>(demoMetaColumn)) {
46 case Index::NAMEINDEX:
47 sqlite3_result_text(demoContext_, demoDataCache_->GetConstMetaData().Name(CurrentRow()).c_str(),
48 STR_DEFAULT_LEN, nullptr);
49 break;
50 case Index::VALUE:
51 sqlite3_result_text(demoContext_, demoDataCache_->GetConstMetaData().Value(CurrentRow()).c_str(),
52 STR_DEFAULT_LEN, nullptr);
53 break;
54 default:
55 TS_LOGF("Unregistered demoMetaColumn : %d", demoMetaColumn);
56 break;
57 }
58 return SQLITE_OK;
59 }
60 } // namespace TraceStreamer
61 } // namespace SysTuning
62