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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#pragma once
#include <memory>
#include "table/format.h"
namespace ROCKSDB_NAMESPACE {
class FilterBitsReader;
class FilterPolicy;
// The sharable/cachable part of the full filter.
class ParsedFullFilterBlock {
public:
ParsedFullFilterBlock(const FilterPolicy* filter_policy,
BlockContents&& contents);
~ParsedFullFilterBlock();
FilterBitsReader* filter_bits_reader() const {
return filter_bits_reader_.get();
}
// TODO: consider memory usage of the FilterBitsReader
size_t ApproximateMemoryUsage() const {
return block_contents_.ApproximateMemoryUsage();
}
bool own_bytes() const { return block_contents_.own_bytes(); }
const Slice GetBlockContentsData() const { return block_contents_.data; }
private:
BlockContents block_contents_;
std::unique_ptr<FilterBitsReader> filter_bits_reader_;
};
} // namespace ROCKSDB_NAMESPACE
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