fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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51 lines
1.4 KiB
51 lines
1.4 KiB
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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// 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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#pragma once
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#include <stddef.h>
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#include <stdint.h>
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#include "rocksdb/iterator.h"
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#include "rocksdb/options.h"
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namespace rocksdb {
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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();
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size_t size() const { return size_; }
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bool cachable() const { return cachable_; }
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CompressionType compression_type() const { return compression_type_; }
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Iterator* NewIterator(const Comparator* comparator);
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const char* data() { return data_; }
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private:
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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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bool cachable_;
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CompressionType compression_type_;
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// No copying allowed
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Block(const Block&);
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void operator=(const Block&);
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class Iter;
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};
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} // namespace rocksdb
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