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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "searchiterator.h"
#include <vespa/searchlib/fef/termfieldmatchdata.h>
namespace search::fef { class MatchData; }
namespace search::queryeval {
class SearchIteratorPack
{
private:
using MatchDataUP = std::unique_ptr<fef::MatchData>;
std::vector<SearchIterator::UP> _children;
std::vector<fef::TermFieldMatchData*> _childMatch;
MatchDataUP _md;
public:
SearchIteratorPack();
~SearchIteratorPack();
SearchIteratorPack(SearchIteratorPack &&rhs) noexcept;
SearchIteratorPack &operator=(SearchIteratorPack &&rhs) noexcept;
// TODO: use MultiSearch::Children to pass ownership
SearchIteratorPack(const std::vector<SearchIterator*> &children,
const std::vector<fef::TermFieldMatchData*> &childMatch,
MatchDataUP md);
// TODO: use MultiSearch::Children to pass ownership
SearchIteratorPack(const std::vector<SearchIterator*> &children, MatchDataUP md);
uint32_t get_docid(uint16_t ref) const {
return _children[ref]->getDocId();
}
uint32_t seek(uint16_t ref, uint32_t docid) {
_children[ref]->seek(docid);
return _children[ref]->getDocId();
}
int32_t get_weight(uint16_t ref, uint32_t docid) {
_children[ref]->doUnpack(docid);
return _childMatch[ref]->getWeight();
}
void unpack(uint16_t ref, uint32_t docid) {
_children[ref]->doUnpack(docid);
}
uint16_t size() const { return _children.size(); }
void initRange(uint32_t begin, uint32_t end) {
for (auto & child: _children) {
child->initRange(begin, end);
}
}
std::unique_ptr<BitVector> get_hits(uint32_t begin_id, uint32_t end_id) const;
void or_hits_into(BitVector &result, uint32_t begin_id) const;
};
}
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