39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
#pragma once
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#ifndef MESSMER_BLOCKSTORE_IMPLEMENTATIONS_INMEMORY_INMEMORYBLOCKSTORE2_H_
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#define MESSMER_BLOCKSTORE_IMPLEMENTATIONS_INMEMORY_INMEMORYBLOCKSTORE2_H_
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#include "../../interface/BlockStore2.h"
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#include <cpp-utils/macros.h>
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#include <unordered_map>
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namespace blockstore {
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namespace inmemory {
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class InMemoryBlockStore2 final: public BlockStore2 {
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public:
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InMemoryBlockStore2();
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bool tryCreate(const BlockId &blockId, const cpputils::Data &data) override;
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bool remove(const BlockId &blockId) override;
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boost::optional<cpputils::Data> load(const BlockId &blockId) const override;
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void store(const BlockId &blockId, const cpputils::Data &data) override;
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uint64_t numBlocks() const override;
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uint64_t estimateNumFreeBytes() const override;
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uint64_t blockSizeFromPhysicalBlockSize(uint64_t blockSize) const override;
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void forEachBlock(std::function<void (const BlockId &)> callback) const override;
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private:
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std::vector<BlockId> _allBlockIds() const;
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bool _tryCreate(const BlockId &blockId, const cpputils::Data &data);
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std::unordered_map<BlockId, cpputils::Data> _blocks;
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mutable std::mutex _mutex;
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DISALLOW_COPY_AND_ASSIGN(InMemoryBlockStore2);
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};
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}
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}
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#endif
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