46 lines
1.0 KiB
C++
46 lines
1.0 KiB
C++
#pragma once
|
|
#ifndef BLOCKSTORE_IMPLEMENTATIONS_CACHING_CACHEDBLOCKREF_H_
|
|
#define BLOCKSTORE_IMPLEMENTATIONS_CACHING_CACHEDBLOCKREF_H_
|
|
|
|
#include "../../interface/Block.h"
|
|
#include <messmer/cachingstore/CachingStore.h>
|
|
|
|
#include "messmer/cpp-utils/macros.h"
|
|
#include <memory>
|
|
|
|
namespace blockstore {
|
|
namespace caching {
|
|
class CachingBlockStore;
|
|
|
|
class CachedBlockRef: public Block, public cachingstore::CachingStore<Block, CachedBlockRef, Key>::CachedResource {
|
|
public:
|
|
//TODO Unneccessarily storing Key twice here (in parent class and in _baseBlock).
|
|
CachedBlockRef(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(CachedBlockRef);
|
|
};
|
|
|
|
}
|
|
}
|
|
|
|
#endif
|