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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 "stringbase.h"
#include "integerbase.h"
#include "floatbase.h"
#include <vespa/searchlib/common/rankedhit.h>
//TODO: This one should go.
//
using search::AttributeVector;
//-----------------------------------------------------------------------------
class AttrVector
{
public:
template <bool MULTI>
struct Features
{
using EnumType = uint32_t;
static bool IsMultiValue() { return MULTI; }
};
};
namespace search {
template <typename B>
class NumericDirectAttribute : public B
{
private:
using EnumHandle = typename B::EnumHandle;
NumericDirectAttribute(const NumericDirectAttribute &);
NumericDirectAttribute & operator=(const NumericDirectAttribute &);
typename B::BaseType getFromEnum(EnumHandle e) const override { return _data[e]; }
protected:
using BaseType = typename B::BaseType;
using DocId = typename B::DocId;
using Change = typename B::Change;
using largeint_t = typename B::largeint_t;
using Config = typename B::Config;
NumericDirectAttribute(const vespalib::string & baseFileName, const Config & c);
~NumericDirectAttribute() override;
bool findEnum(BaseType value, EnumHandle & e) const override;
void onCommit() override;
void onUpdateStat() override { }
bool addDoc(DocId & ) override;
std::vector<BaseType> _data;
std::vector<uint32_t> _idx;
};
}
template <typename F, typename B>
class NumericDirectAttrVector : public search::NumericDirectAttribute<B>
{
protected:
using DocId = typename B::DocId;
using NumDirectAttrVec = NumericDirectAttrVector<F, B>;
private:
using largeint_t = typename B::largeint_t;
public:
NumericDirectAttrVector(const vespalib::string & baseFileName);
NumericDirectAttrVector(const vespalib::string & baseFileName, const AttributeVector::Config & c);
largeint_t getInt(DocId doc) const override { return static_cast<largeint_t>(getHelper(doc, 0)); }
double getFloat(DocId doc) const override { return getHelper(doc, 0); }
uint32_t get(DocId doc, largeint_t * v, uint32_t sz) const override { return getAllHelper<largeint_t, largeint_t>(doc, v, sz); }
uint32_t get(DocId doc, double * v, uint32_t sz) const override { return getAllHelper<double, double>(doc, v, sz); }
private:
using EnumHandle = typename B::EnumHandle;
using BaseType = typename B::BaseType;
using Weighted = typename B::Weighted;
using WeightedEnum = typename B::WeightedEnum;
using WeightedInt = typename B::WeightedInt;
using WeightedFloat = typename B::WeightedFloat;
BaseType get(DocId doc) const override { return getHelper(doc, 0); }
EnumHandle getEnum(DocId doc) const override { return getEnumHelper(doc, 0); }
uint32_t get(DocId doc, EnumHandle * e, uint32_t sz) const override { return getAllEnumHelper(doc, e, sz); }
uint32_t getValueCount(DocId doc) const override { return getValueCountHelper(doc); }
uint32_t getValueCountHelper(DocId doc) const {
if (F::IsMultiValue()) {
return this->_idx[doc+1] - this->_idx[doc];
} else {
return 1;
}
}
EnumHandle getEnumHelper(DocId doc, int idx) const {
(void) doc;
(void) idx;
return uint32_t(-1);
}
BaseType getHelper(DocId doc, int idx) const {
if (F::IsMultiValue()) {
return this->_data[this->_idx[doc] + idx];
} else {
return this->_data[doc];
}
}
template <typename T, typename C>
uint32_t getAllHelper(DocId doc, T * v, uint32_t sz) const {
uint32_t available(getValueCountHelper(doc));
uint32_t num2Read(std::min(available, sz));
for (uint32_t i(0); i < num2Read; i++) {
v[i] = T(static_cast<C>(getHelper(doc, i)));
}
return available;
}
template <typename T>
uint32_t getAllEnumHelper(DocId doc, T * v, uint32_t sz) const {
uint32_t available(getValueCountHelper(doc));
uint32_t num2Read(std::min(available, sz));
for (uint32_t i(0); i < num2Read; i++) {
v[i] = T(getEnumHelper(doc, i));
}
return available;
}
uint32_t get(DocId doc, WeightedEnum * v, uint32_t sz) const override { return getAllEnumHelper(doc, v, sz); }
uint32_t get(DocId doc, WeightedInt * v, uint32_t sz) const override { return getAllHelper<WeightedInt, largeint_t>(doc, v, sz); }
uint32_t get(DocId doc, WeightedFloat * v, uint32_t sz) const override { return getAllHelper<WeightedFloat, double>(doc, v, sz); }
template <bool asc>
long on_serialize_for_sort(DocId doc, void* serTo, long available) const;
long onSerializeForAscendingSort(DocId doc, void* serTo, long available, const search::common::BlobConverter* bc) const override;
long onSerializeForDescendingSort(DocId doc, void* serTo, long available, const search::common::BlobConverter* bc) const override;
};
//-----------------------------------------------------------------------------
namespace search {
class StringDirectAttribute : public StringAttribute
{
private:
StringDirectAttribute(const StringDirectAttribute &);
StringDirectAttribute & operator=(const StringDirectAttribute &);
const char * getFromEnum(EnumHandle e) const override { return &_buffer[e]; }
const char * getStringFromEnum(EnumHandle e) const override { return &_buffer[e]; }
std::unique_ptr<attribute::SearchContext> getSearch(QueryTermSimpleUP term, const attribute::SearchContextParams & params) const override;
protected:
StringDirectAttribute(const vespalib::string & baseFileName, const Config & c);
~StringDirectAttribute() override;
bool findEnum(const char * value, EnumHandle & e) const override;
std::vector<EnumHandle> findFoldedEnums(const char *) const override;
void onCommit() override;
void onUpdateStat() override { }
bool addDoc(DocId & ) override;
protected:
std::vector<char> _buffer;
OffsetVector _offsets;
std::vector<uint32_t> _idx;
};
}
template <typename F>
class StringDirectAttrVector : public search::StringDirectAttribute
{
public:
StringDirectAttrVector(const vespalib::string & baseFileName);
StringDirectAttrVector(const vespalib::string & baseFileName, const Config & c);
uint32_t get(DocId doc, const char ** v, uint32_t sz) const override {
return getAllHelper(doc, v, sz);
}
const char * get(DocId doc) const override { return getHelper(doc, 0); }
private:
uint32_t get(DocId doc, vespalib::string * v, uint32_t sz) const override { return getAllHelper(doc, v, sz); }
uint32_t get(DocId doc, EnumHandle * e, uint32_t sz) const override { return getAllEnumHelper(doc, e, sz); }
EnumHandle getEnum(DocId doc) const override { return getEnumHelper(doc, 0); }
uint32_t getValueCount(DocId doc) const override { return getValueCountHelper(doc); }
uint32_t get(DocId doc, WeightedEnum * e, uint32_t sz) const override { return getAllEnumHelper(doc, e, sz); }
uint32_t get(DocId doc, WeightedString * v, uint32_t sz) const override { return getAllHelper(doc, v, sz); }
uint32_t get(DocId doc, WeightedConstChar * v, uint32_t sz) const override { return getAllHelper(doc, v, sz); }
uint32_t getValueCountHelper(DocId doc) const {
if (F::IsMultiValue()) {
return this->_idx[doc+1] - this->_idx[doc];
} else {
return 1;
}
}
EnumHandle getEnumHelper(DocId doc, int idx) const {
if (F::IsMultiValue()) {
return this->_offsets[this->_idx[doc] + idx];
} else {
return this->_offsets[doc];
}
return uint32_t(-1);
}
const char *getHelper(DocId doc, int idx) const {
if (F::IsMultiValue()) {
return & this->_buffer[this->_offsets[this->_idx[doc] + idx]];
} else if (idx == 0) {
return & this->_buffer[this->_offsets[doc]];
}
return NULL;
}
template <typename T>
uint32_t getAllHelper(DocId doc, T * v, uint32_t sz) const
{
uint32_t available(getValueCountHelper(doc));
uint32_t num2Read(std::min(available, sz));
for (uint32_t i(0); i < num2Read; i++) {
v[i] = T(getHelper(doc, i));
}
return available;
}
template <typename T>
uint32_t getAllEnumHelper(DocId doc, T * v, uint32_t sz) const
{
uint32_t available(getValueCountHelper(doc));
uint32_t num2Read(std::min(available, sz));
for (uint32_t i(0); i < num2Read; i++) {
v[i] = T(getEnumHelper(doc, i));
}
return available;
}
long on_serialize_for_sort(DocId doc, void* serTo, long available, const search::common::BlobConverter* bc, bool asc) const;
long onSerializeForAscendingSort(DocId doc, void* serTo, long available, const search::common::BlobConverter* bc) const override;
long onSerializeForDescendingSort(DocId doc, void* serTo, long available, const search::common::BlobConverter* bc) const override;
};
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