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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/vespalib/stllike/string.h>
namespace search::queryeval { class Blueprint; }
namespace proton::matching {
class RangeLimitMetaInfo {
public:
RangeLimitMetaInfo();
RangeLimitMetaInfo(vespalib::stringref low, vespalib::stringref high, size_t estimate);
~RangeLimitMetaInfo();
const vespalib::string & low() const { return _low; }
const vespalib::string & high() const { return _high; }
bool valid() const { return _valid; }
size_t estimate() const { return _estimate; }
private:
bool _valid;
size_t _estimate;
vespalib::string _low;
vespalib::string _high;
};
class RangeQueryLocator {
public:
virtual ~RangeQueryLocator() = default;
virtual RangeLimitMetaInfo locate() const = 0;
};
class LocateRangeItemFromQuery : public RangeQueryLocator {
public:
LocateRangeItemFromQuery(const search::queryeval::Blueprint & blueprint, uint32_t field_id)
: _blueprint(blueprint),
_field_id(field_id)
{}
RangeLimitMetaInfo locate() const override;
private:
const search::queryeval::Blueprint & _blueprint;
uint32_t _field_id;
};
}
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