37 lines
825 B
C++
37 lines
825 B
C++
#ifndef MESSMER_BLOCKSTORE_TEST_IMPLEMENTATIONS_SYNCHRONIZED_OPENBLOCKLIST_H_
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#define MESSMER_BLOCKSTORE_TEST_IMPLEMENTATIONS_SYNCHRONIZED_OPENBLOCKLIST_H_
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#include <memory>
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#include <set>
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#include <map>
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#include <functional>
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#include "../../utils/Key.h"
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#include <future>
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namespace blockstore {
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class Block;
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namespace synchronized {
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class OpenBlockList {
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public:
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OpenBlockList();
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virtual ~OpenBlockList();
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std::unique_ptr<Block> insert(std::unique_ptr<Block> block);
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std::unique_ptr<Block> acquire(const Key &key, std::function<std::unique_ptr<Block> ()> loader);
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void release(std::unique_ptr<Block> block);
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private:
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std::set<Key> _openBlocks;
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std::map<Key, std::promise<std::unique_ptr<Block>>> _wantedBlocks;
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std::future<std::unique_ptr<Block>> _addPromiseForBlock(const Key &key);
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};
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}
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}
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#endif
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