41 行
799 B
41 行
799 B
#ifndef VTABLE_READER_H
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#define VTABLE_READER_H
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#include <memory>
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#include "leveldb/env.h"
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#include "leveldb/options.h"
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#include "leveldb/slice.h"
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#include "leveldb/status.h"
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#include "util/coding.h"
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#include "vtable_format.h"
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#include "vtable_manager.h"
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namespace leveldb {
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class VTableReader {
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public:
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VTableReader() = default;
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VTableReader(uint64_t fnum, VTableManager *manager) :
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fnum_(fnum),
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manager_(manager) {};
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Status Open(const Options& options, std::string fname);
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Status Get(const VTableHandle& handle,
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VTableRecord* record) const ;
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void Close();
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private:
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Options options_;
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uint64_t fnum_;
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RandomAccessFile* file_{nullptr};
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VTableManager* manager_{nullptr};
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};
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} // namespace leveldb
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#endif //VTABLE_READER_H
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