47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef OB_PG_META_CHECKPOINT_READER_H_
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#define OB_PG_META_CHECKPOINT_READER_H_
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#include "storage/ob_partition_meta_redo_module.h"
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#include "storage/ob_pg_meta_block_reader.h"
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#include "storage/ob_pg_meta_checkpoint_writer.h"
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namespace oceanbase {
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namespace storage {
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class ObPGMetaCheckpointReader final {
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public:
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ObPGMetaCheckpointReader();
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~ObPGMetaCheckpointReader() = default;
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int init(const blocksstable::MacroBlockId& entry_block, blocksstable::ObStorageFileHandle& file_handle,
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ObPartitionMetaRedoModule& pg_mgr);
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int read_checkpoint();
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void reset();
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common::ObIArray<blocksstable::MacroBlockId>& get_meta_block_list();
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private:
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int read_item(ObPGMetaItemBuffer& item);
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private:
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bool is_inited_;
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ObPGMetaItemReader reader_;
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blocksstable::ObStorageFileHandle file_handle_;
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ObPartitionMetaRedoModule* pg_mgr_;
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};
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} // end namespace storage
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} // end namespace oceanbase
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#endif // OB_PG_META_CHECKPOINT_READER_H_
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