50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
#ifndef ERA_METADATA_H
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#define ERA_METADATA_H
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#include "base/endian_utils.h"
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#include "persistent-data/block.h"
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#include "persistent-data/data-structures/array.h"
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#include "persistent-data/data-structures/bitset.h"
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#include "persistent-data/space-maps/disk.h"
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#include "persistent-data/transaction_manager.h"
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#include "era/superblock.h"
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#include "era/writeset_tree.h"
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#include "era/era_array.h"
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//----------------------------------------------------------------
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namespace era {
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class metadata {
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public:
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enum open_type {
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CREATE,
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OPEN
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};
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typedef block_manager<>::read_ref read_ref;
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typedef block_manager<>::write_ref write_ref;
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typedef boost::shared_ptr<metadata> ptr;
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metadata(block_manager<>::ptr bm, open_type ot);
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metadata(block_manager<>::ptr bm, block_address metadata_snap);
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void commit(bool clean_shutdown = true);
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typedef persistent_data::transaction_manager tm;
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tm::ptr tm_;
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superblock sb_;
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checked_space_map::ptr metadata_sm_;
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writeset_tree::ptr writeset_tree_;
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era_array::ptr era_array_;
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private:
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void open_metadata(block_manager<>::ptr bm,
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block_address loc = SUPERBLOCK_LOCATION);
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};
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};
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//----------------------------------------------------------------
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#endif
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