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44 行
1023 B
44 行
1023 B
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#ifndef STORAGE_LEVELDB_TABLE_BLOCK_H_
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#define STORAGE_LEVELDB_TABLE_BLOCK_H_
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#include <cstddef>
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#include <cstdint>
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#include "leveldb/iterator.h"
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namespace leveldb {
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struct BlockContents;
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class Comparator;
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class Block {
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public:
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// Initialize the block with the specified contents.
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explicit Block(const BlockContents& contents);
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Block(const Block&) = delete;
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Block& operator=(const Block&) = delete;
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~Block();
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size_t size() const { return size_; }
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Iterator* NewIterator(const Comparator* comparator);
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private:
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class Iter;
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uint32_t NumRestarts() const;
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const char* data_;
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size_t size_;
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uint32_t restart_offset_; // Offset in data_ of restart array
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bool owned_; // Block owns data_[]
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};
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} // namespace leveldb
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#endif // STORAGE_LEVELDB_TABLE_BLOCK_H_
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