417a701636
- Fixed numBlocks() in OnDiskBlockStore, FakeBlockStore, CachingBlockStore, ... - CachingBlockStore caches created blocks and doesn't directly create them in the underlying blockstore
40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
#pragma once
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#ifndef BLOCKSTORE_IMPLEMENTATIONS_CACHING_CACHINGBLOCKSTORE_H_
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#define BLOCKSTORE_IMPLEMENTATIONS_CACHING_CACHINGBLOCKSTORE_H_
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#include "Cache.h"
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#include "../../interface/BlockStore.h"
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namespace blockstore {
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namespace caching {
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//TODO Rename this to CachingBlockStore and the other one to something else
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//TODO Check that this blockstore allows parallel destructing of blocks (otherwise we won't encrypt blocks in parallel)
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class CachingBlockStore: public BlockStore {
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public:
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CachingBlockStore(std::unique_ptr<BlockStore> baseBlockStore);
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Key createKey() override;
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std::unique_ptr<Block> tryCreate(const Key &key, Data data) override;
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std::unique_ptr<Block> load(const Key &key) override;
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void remove(std::unique_ptr<Block> block) override;
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uint64_t numBlocks() const override;
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void release(std::unique_ptr<Block> block);
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std::unique_ptr<Block> tryCreateInBaseStore(const Key &key, Data data);
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void removeFromBaseStore(std::unique_ptr<Block> block);
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private:
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std::unique_ptr<BlockStore> _baseBlockStore;
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Cache _cache;
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uint32_t _numNewBlocks;
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DISALLOW_COPY_AND_ASSIGN(CachingBlockStore);
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};
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}
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}
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#endif
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