rocksdb/table/block.h

46 lines
1.1 KiB
C++

// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#ifndef STORAGE_LEVELDB_TABLE_BLOCK_H_
#define STORAGE_LEVELDB_TABLE_BLOCK_H_
#include <stddef.h>
#include <stdint.h>
#include "leveldb/iterator.h"
namespace leveldb {
class Comparator;
class Block {
public:
// Initialize the block with the specified contents.
// Takes ownership of data[] and will delete[] it when done iff
// "take_ownership is true.
Block(const char* data, size_t size, bool take_ownership);
~Block();
size_t size() const { return size_; }
Iterator* NewIterator(const Comparator* comparator);
private:
uint32_t NumRestarts() const;
const char* data_;
size_t size_;
uint32_t restart_offset_; // Offset in data_ of restart array
bool owned_; // Block owns data_[]
// No copying allowed
Block(const Block&);
void operator=(const Block&);
class Iter;
};
} // namespace leveldb
#endif // STORAGE_LEVELDB_TABLE_BLOCK_H_