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32 lines
607 B
C++
32 lines
607 B
C++
#ifndef DBMS_COMMON_BUFFERWITHOWNMEMORY_H
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#define DBMS_COMMON_BUFFERWITHOWNMEMORY_H
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#include <vector>
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#define DBMS_DEFAULT_BUFFER_SIZE 1048576ULL
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namespace DB
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{
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/** Буфер, который сам владеет своим куском памяти для работы.
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* Аргумент шаблона - ReadBuffer или WriteBuffer
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*/
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template <typename Base>
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class BufferWithOwnMemory : public Base
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{
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protected:
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std::vector<char> memory;
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public:
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BufferWithOwnMemory(size_t size = DBMS_DEFAULT_BUFFER_SIZE) : Base(NULL, 0), memory(size)
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{
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Base::set(&memory[0], size);
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}
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};
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}
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#endif
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