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StringDictionaryGenerations.h
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1 /*
2  * Copyright 2017 MapD Technologies, Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef QUERYENGINE_STRINGDICTIONARYGENERATION_H
18 #define QUERYENGINE_STRINGDICTIONARYGENERATION_H
19 
20 #include <unistd.h>
21 #include <cstdint>
22 #include <unordered_map>
23 
25  public:
26  void setGeneration(const uint32_t id, const size_t generation);
27 
28  void updateGeneration(const uint32_t id, const size_t generation);
29 
30  ssize_t getGeneration(const uint32_t id) const;
31 
32  const std::unordered_map<uint32_t, size_t>& asMap() const;
33 
34  void clear();
35 
36  private:
37  std::unordered_map<uint32_t, size_t> id_to_generation_;
38 };
39 
40 #endif // QUERYENGINE_STRINGDICTIONARYGENERATION_H
std::unordered_map< uint32_t, size_t > id_to_generation_
ssize_t getGeneration(const uint32_t id) const
void setGeneration(const uint32_t id, const size_t generation)
void updateGeneration(const uint32_t id, const size_t generation)
const std::unordered_map< uint32_t, size_t > & asMap() const