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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "pagedict4_decoders.h"
#include "threelevelcountbuffers.h"
#include <vespa/searchlib/bitcompression/pagedict4.h>
namespace search::diskindex::test {
/*
* Class for performing random lookups in memory based pagedict4 structure
*/
class PageDict4MemRandReader
{
public:
using PageDict4SSReader = search::bitcompression::PageDict4SSReader;
using PageDict4SSLookupRes = search::bitcompression::PageDict4SSLookupRes;
using PageDict4SPLookupRes = search::bitcompression::PageDict4SPLookupRes;
using PageDict4PLookupRes = search::bitcompression::PageDict4PLookupRes;
using StartOffset = search::bitcompression::PageDict4StartOffset;
using PostingListCounts = search::index::PostingListCounts;
PageDict4Decoders _decoders;
ThreeLevelCountReadBuffers _buffers;
PageDict4SSReader _ssr;
const char *_spData;
const char *_pData;
size_t _pageSize;
PageDict4MemRandReader(uint32_t chunkSize, uint64_t numWordIds,
ThreeLevelCountWriteBuffers &wb);
~PageDict4MemRandReader();
bool lookup(const std::string &key, uint64_t &wordNum,
PostingListCounts &counts, StartOffset &offsets);
};
}
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