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38 lines
723 B
C++
38 lines
723 B
C++
#pragma once
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#include <IO/WriteBufferFromFileBase.h>
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namespace DB
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{
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/// Delegates all writes to underlying buffer. Doesn't have own memory.
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class WriteBufferFromFileDecorator : public WriteBufferFromFileBase
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{
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public:
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explicit WriteBufferFromFileDecorator(std::unique_ptr<WriteBuffer> impl_);
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~WriteBufferFromFileDecorator() override;
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void sync() override;
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std::string getFileName() const override;
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void preFinalize() override;
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const WriteBuffer & getImpl() const { return *impl; }
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protected:
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void finalizeImpl() override;
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void cancelImpl() noexcept override;
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std::unique_ptr<WriteBuffer> impl;
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private:
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void nextImpl() override;
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bool is_prefinalized = false;
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};
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}
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