libcryfs/src/blobstore/implementations/onblocks/datanodestore/DataNode.h

48 lines
1017 B
C++

#pragma once
#ifndef MESSMER_BLOBSTORE_IMPLEMENTATIONS_ONBLOCKS_DATANODESTORE_DATANODE_H_
#define MESSMER_BLOBSTORE_IMPLEMENTATIONS_ONBLOCKS_DATANODESTORE_DATANODE_H_
#include "DataNodeView.h"
#include <cpp-utils/data/Data.h>
namespace blobstore {
namespace onblocks {
namespace datanodestore {
class DataNodeStore;
class DataInnerNode;
class DataNode {
public:
virtual ~DataNode();
const blockstore::BlockId &blockId() const;
uint8_t depth() const;
static cpputils::unique_ref<DataInnerNode> convertToNewInnerNode(cpputils::unique_ref<DataNode> node, const DataNodeLayout &layout, const DataNode &first_child);
void flush() const;
protected:
// The FORMAT_VERSION_HEADER is used to allow future versions to have compatibility.
static constexpr uint16_t FORMAT_VERSION_HEADER = 0;
DataNode(DataNodeView block);
DataNodeView &node();
const DataNodeView &node() const;
friend class DataNodeStore;
private:
DataNodeView _node;
DISALLOW_COPY_AND_ASSIGN(DataNode);
};
}
}
}
#endif