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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 "handle.h"
#include "itermdata.h"
#include "simpletermfielddata.h"
#include <vespa/searchlib/query/weight.h>
#include <vector>
namespace search::fef {
/**
* Static match data for a single unit (term/phrase/etc).
**/
class SimpleTermData final : public ITermData
{
private:
query::Weight _weight;
uint32_t _numTerms;
uint32_t _uniqueId;
std::optional<vespalib::string> _query_tensor_name;
std::vector<SimpleTermFieldData> _fields;
public:
SimpleTermData() noexcept;
SimpleTermData(const ITermData &rhs);
SimpleTermData(const SimpleTermData &);
SimpleTermData(SimpleTermData &&) noexcept;
SimpleTermData & operator=(SimpleTermData &&) noexcept;
~SimpleTermData() override;
//----------- ITermData implementation ------------------------------------
[[nodiscard]] query::Weight getWeight() const override { return _weight; }
[[nodiscard]] uint32_t getPhraseLength() const override { return _numTerms; }
[[nodiscard]] uint32_t getUniqueId() const override { return _uniqueId; }
[[nodiscard]] std::optional<vespalib::string> query_tensor_name() const override { return _query_tensor_name; }
[[nodiscard]] size_t numFields() const override { return _fields.size(); }
[[nodiscard]] const ITermFieldData &field(size_t i) const override {
return _fields[i];
}
[[nodiscard]] const ITermFieldData *lookupField(uint32_t fieldId) const override {
for (size_t fieldIdx(0), m(numFields()); fieldIdx < m; ++fieldIdx) {
const ITermFieldData &tfd = field(fieldIdx);
if (tfd.getFieldId() == fieldId) {
return &tfd;
}
}
return nullptr;
}
//----------- Utility functions -------------------------------------------
/**
* Sets the term weight.
**/
SimpleTermData &setWeight(query::Weight weight) {
_weight = weight;
return *this;
}
/**
* Sets the number of terms represented by this term data object.
**/
SimpleTermData &setPhraseLength(uint32_t numTerms) {
_numTerms = numTerms;
return *this;
}
/**
* Set the unique id of this term. 0 means not set.
*
* @param id unique id or 0
* @return this to allow chaining.
**/
SimpleTermData &setUniqueId(uint32_t id) {
_uniqueId = id;
return *this;
}
SimpleTermData &set_query_tensor_name(const vespalib::string &name) {
_query_tensor_name = name;
return *this;
}
/**
* Add a new field to the set that is searched by this term.
*
* @return the newly added field
* @param fieldId field id of the added field
**/
SimpleTermFieldData &addField(uint32_t fieldId) {
_fields.emplace_back(fieldId);
return _fields.back();
}
/**
* Direct access to data for individual fields
* @param i local index, must have: 0 <= i < numFields()
*/
SimpleTermFieldData &field(size_t i) {
return _fields[i];
}
/**
* Obtain information about a specific field that may be searched
* by this term. If the requested field is not searched by this
* term, NULL will be returned.
*
* @return term field data, or NULL if not found
**/
SimpleTermFieldData *lookupField(uint32_t fieldId) {
for (size_t fieldIdx(0), m(numFields()); fieldIdx < m; ++fieldIdx) {
SimpleTermFieldData& tfd = field(fieldIdx);
if (tfd.getFieldId() == fieldId) {
return &tfd;
}
}
return nullptr;
}
};
}
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