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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 "attributeguard.h"
#include "sourceselector.h"
namespace search {
class FixedSourceSelector : public SourceSelector
{
private:
SourceStore & _source;
queryeval::Source getSource(uint32_t docId) const {
return _source.getFast(docId);
}
void reserve(uint32_t numDocs);
using IIterator = queryeval::sourceselector::Iterator;
public:
using UP = std::unique_ptr<FixedSourceSelector>;
class Iterator : public IIterator {
private:
AttributeGuard _attributeGuard;
public:
Iterator(const FixedSourceSelector & sourceSelector);
};
public:
FixedSourceSelector(queryeval::Source defaultSource,
const vespalib::string & attrBaseFileName,
uint32_t initialNumDocs = 0);
~FixedSourceSelector() override;
FixedSourceSelector::UP cloneAndSubtract(const vespalib::string & attrBaseFileName, uint32_t diff);
static FixedSourceSelector::UP load(const vespalib::string & baseFileName, uint32_t currentId);
// Inherit doc from ISourceSelector
void setSource(uint32_t docId, queryeval::Source source) final override;
uint32_t getDocIdLimit() const final override {
return _source.getCommittedDocIdLimit() - 1;
}
void compactLidSpace(uint32_t lidLimit) override;
std::unique_ptr<IIterator> createIterator() const final override {
return std::make_unique<Iterator>(*this);
}
};
} // namespace search
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