42 lines
946 B
C
42 lines
946 B
C
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#pragma once
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#ifndef BLOBSTORE_IMPLEMENTATIONS_ONBLOCKS_IMPL_DATANODE_H_
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#define BLOBSTORE_IMPLEMENTATIONS_ONBLOCKS_IMPL_DATANODE_H_
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#include "blockstore/interface/Block.h"
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#include <memory>
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namespace blobstore {
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namespace onblocks {
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class DataInnerNode;
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class DataLeafNode;
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class DataNode {
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public:
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virtual ~DataNode();
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static constexpr unsigned char magicNumberInnerNode = 0x01;
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static constexpr unsigned char magicNumberLeaf = 0x02;
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struct NodeHeader {
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unsigned char magicNumber;
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};
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void flush();
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static std::unique_ptr<DataNode> load(std::unique_ptr<blockstore::Block> block);
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static std::unique_ptr<DataInnerNode> initializeNewInnerNode(std::unique_ptr<blockstore::Block> block);
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static std::unique_ptr<DataLeafNode> initializeNewLeafNode(std::unique_ptr<blockstore::Block> block);
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protected:
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DataNode(std::unique_ptr<blockstore::Block> block);
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std::unique_ptr<blockstore::Block> _block;
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};
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}
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}
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#endif
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