1 | //===----------------------------------------------------------------------===// |
2 | // DuckDB |
3 | // |
4 | // duckdb/common/serializer/buffered_serializer.hpp |
5 | // |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #pragma once |
10 | |
11 | #include "duckdb/common/serializer.hpp" |
12 | #include "duckdb/common/unique_ptr.hpp" |
13 | |
14 | namespace duckdb { |
15 | |
16 | #define SERIALIZER_DEFAULT_SIZE 1024 |
17 | |
18 | struct BinaryData { |
19 | unsafe_unique_array<data_t> data; |
20 | idx_t size; |
21 | }; |
22 | |
23 | class BufferedSerializer : public Serializer { |
24 | public: |
25 | //! Serializes to a buffer allocated by the serializer, will expand when |
26 | //! writing past the initial threshold |
27 | DUCKDB_API explicit BufferedSerializer(idx_t maximum_size = SERIALIZER_DEFAULT_SIZE); |
28 | //! Serializes to a provided (owned) data pointer |
29 | BufferedSerializer(unsafe_unique_array<data_t> data, idx_t size); |
30 | BufferedSerializer(data_ptr_t data, idx_t size); |
31 | |
32 | idx_t maximum_size; |
33 | data_ptr_t data; |
34 | |
35 | BinaryData blob; |
36 | |
37 | public: |
38 | void WriteData(const_data_ptr_t buffer, uint64_t write_size) override; |
39 | |
40 | //! Retrieves the data after the writing has been completed |
41 | BinaryData GetData() { |
42 | return std::move(blob); |
43 | } |
44 | |
45 | void Reset() { |
46 | blob.size = 0; |
47 | } |
48 | }; |
49 | |
50 | } // namespace duckdb |
51 | |