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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 "fieldsearcher.h"
namespace vsm {
template <typename T>
class FloatFieldSearcherT : public FieldSearcher
{
public:
FloatFieldSearcherT(FieldIdT fId=0);
~FloatFieldSearcherT();
void prepare(search::streaming::QueryTermList & qtl, const SharedSearcherBuf & buf) override;
void onValue(const document::FieldValue & fv) override;
protected:
class FloatInfo
{
public:
FloatInfo(T low, T high, bool v) : _lower(low), _upper(high), _valid(v) { if (low > high) { _lower = high; _upper = low; } }
bool cmp(T key) const;
bool valid() const { return _valid; }
void setValid(bool v) { _valid = v; }
T getLow() const { return _lower; }
T getHigh() const { return _upper; }
private:
T _lower;
T _upper;
bool _valid;
};
typedef std::vector<FloatInfo> FloatInfoListT;
FloatInfoListT _floatTerm;
};
typedef FloatFieldSearcherT<float> FloatFieldSearcherTF;
typedef FloatFieldSearcherT<double> FloatFieldSearcherTD;
class FloatFieldSearcher : public FloatFieldSearcherTF
{
public:
std::unique_ptr<FieldSearcher> duplicate() const override;
FloatFieldSearcher(FieldIdT fId=0) : FloatFieldSearcherTF(fId) { }
};
class DoubleFieldSearcher : public FloatFieldSearcherTD
{
public:
std::unique_ptr<FieldSearcher> duplicate() const override;
DoubleFieldSearcher(FieldIdT fId=0) : FloatFieldSearcherTD(fId) { }
};
}
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