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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 "attrvector.h"
#include "load_utils.h"
#include "numeric_sort_blob_writer.h"
#include "string_sort_blob_writer.h"
#include <vespa/vespalib/util/hdr_abort.h>
#include <vespa/searchlib/util/filekit.h>
namespace search {
template <typename B>
NumericDirectAttribute<B>::
NumericDirectAttribute(const vespalib::string & baseFileName, const Config & c)
: B(baseFileName, c),
_data(),
_idx()
{
}
template <typename B>
NumericDirectAttribute<B>::~NumericDirectAttribute() = default;
template <typename B>
bool NumericDirectAttribute<B>::findEnum(typename B::BaseType key, EnumHandle & e) const
{
if (_data.empty()) {
e = 0;
return false;
}
int delta;
const int eMax = B::getEnumMax();
for (delta = 1; delta <= eMax; delta <<= 1) { }
delta >>= 1;
int pos = delta - 1;
typename B::BaseType value = key;
while (delta != 0) {
delta >>= 1;
if (pos >= eMax) {
pos -= delta;
} else {
value = _data[pos];
if (value == key) {
e = pos;
return true;
} else if (value < key) {
pos += delta;
} else {
pos -= delta;
}
}
}
e = ((key > value) && (pos < eMax)) ? pos + 1 : pos;
return false;
}
template <typename B>
void NumericDirectAttribute<B>::onCommit()
{
B::_changes.clear();
HDR_ABORT("should not be reached");
}
template <typename B>
bool NumericDirectAttribute<B>::addDoc(DocId & )
{
return false;
}
}
template <typename F, typename B>
NumericDirectAttrVector<F, B>::
NumericDirectAttrVector(const vespalib::string & baseFileName, const AttributeVector::Config & c)
: search::NumericDirectAttribute<B>(baseFileName, c)
{
if (F::IsMultiValue()) {
this->_idx.push_back(0);
}
}
template <typename F, typename B>
NumericDirectAttrVector<F, B>::
NumericDirectAttrVector(const vespalib::string & baseFileName)
: search::NumericDirectAttribute<B>(baseFileName, AttributeVector::Config(AttributeVector::BasicType::fromType(BaseType()), F::IsMultiValue() ? search::attribute::CollectionType::ARRAY : search::attribute::CollectionType::SINGLE))
{
if (F::IsMultiValue()) {
this->_idx.push_back(0);
}
}
template <typename F, typename B>
template <bool asc>
long
NumericDirectAttrVector<F, B>::on_serialize_for_sort(DocId doc, void* serTo, long available) const
{
search::attribute::NumericSortBlobWriter<BaseType, asc> writer;
vespalib::ConstArrayRef<BaseType> values(this->_data.data() + this->_idx[doc], this->_idx[doc + 1] - this->_idx[doc]);
for (auto& v : values) {
writer.candidate(v);
}
return writer.write(serTo, available);
}
template <typename F, typename B>
long
NumericDirectAttrVector<F, B>::onSerializeForAscendingSort(DocId doc, void* serTo, long available, const search::common::BlobConverter* bc) const
{
if (!F::IsMultiValue()) {
return search::NumericDirectAttribute<B>::onSerializeForAscendingSort(doc, serTo, available, bc);
}
return on_serialize_for_sort<true>(doc, serTo, available);
}
template <typename F, typename B>
long
NumericDirectAttrVector<F, B>::onSerializeForDescendingSort(DocId doc, void* serTo, long available, const search::common::BlobConverter* bc) const
{
if (!F::IsMultiValue()) {
return search::NumericDirectAttribute<B>::onSerializeForDescendingSort(doc, serTo, available, bc);
}
return on_serialize_for_sort<false>(doc, serTo, available);
}
template <typename F>
StringDirectAttrVector<F>::
StringDirectAttrVector(const vespalib::string & baseFileName, const Config & c) :
search::StringDirectAttribute(baseFileName, c)
{
if (F::IsMultiValue()) {
_idx.push_back(0);
}
setEnum(true);
}
template <typename F>
StringDirectAttrVector<F>::
StringDirectAttrVector(const vespalib::string & baseFileName) :
search::StringDirectAttribute(baseFileName, Config(BasicType::STRING, F::IsMultiValue() ? search::attribute::CollectionType::ARRAY : search::attribute::CollectionType::SINGLE))
{
if (F::IsMultiValue()) {
_idx.push_back(0);
}
setEnum(true);
}
template <typename F>
long
StringDirectAttrVector<F>::on_serialize_for_sort(DocId doc, void* serTo, long available, const search::common::BlobConverter* bc, bool asc) const
{
search::attribute::StringSortBlobWriter writer(serTo, available, bc, asc);
vespalib::ConstArrayRef<uint32_t> offsets(this->_offsets.data() + this->_idx[doc], this->_idx[doc + 1] - this->_idx[doc]);
for (auto& offset : offsets) {
if (!writer.candidate(&this->_buffer[offset])) {
return -1;
}
}
return writer.write();
}
template <typename F>
long
StringDirectAttrVector<F>::onSerializeForAscendingSort(DocId doc, void* serTo, long available, const search::common::BlobConverter* bc) const
{
if (!F::IsMultiValue()) {
return search::StringDirectAttribute::onSerializeForAscendingSort(doc, serTo, available, bc);
}
return on_serialize_for_sort(doc, serTo, available, bc, true);
}
template <typename F>
long
StringDirectAttrVector<F>::onSerializeForDescendingSort(DocId doc, void* serTo, long available, const search::common::BlobConverter* bc) const
{
if (!F::IsMultiValue()) {
return search::StringDirectAttribute::onSerializeForDescendingSort(doc, serTo, available, bc);
}
return on_serialize_for_sort(doc, serTo, available, bc, false);
}
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