libcryfs/implementations/parallelaccess/BlockRef.h
2015-04-27 18:20:51 +02:00

45 lines
1.1 KiB
C++

#pragma once
#ifndef BLOCKSTORE_IMPLEMENTATIONS_CACHING_CACHEDBLOCKREF_H_
#define BLOCKSTORE_IMPLEMENTATIONS_CACHING_CACHEDBLOCKREF_H_
#include <messmer/parallelaccessstore/ParallelAccessStore.h>
#include "../../interface/Block.h"
#include "messmer/cpp-utils/macros.h"
#include <memory>
namespace blockstore {
namespace parallelaccess {
class ParallelAccessBlockStore;
class BlockRef: public Block, public parallelaccessstore::ParallelAccessStore<Block, BlockRef, Key>::ResourceRefBase {
public:
//TODO Unneccessarily storing Key twice here (in parent class and in _baseBlock).
explicit BlockRef(Block *baseBlock): Block(baseBlock->key()), _baseBlock(baseBlock) {}
const void *data() const override {
return _baseBlock->data();
}
void write(const void *source, uint64_t offset, uint64_t size) override {
return _baseBlock->write(source, offset, size);
}
void flush() override {
return _baseBlock->flush();
}
size_t size() const override {
return _baseBlock->size();
}
private:
Block *_baseBlock;
DISALLOW_COPY_AND_ASSIGN(BlockRef);
};
}
}
#endif