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