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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 "attributevector.hpp"
#include "load_utils.h"
#include "numeric_matcher.h"
#include "numeric_range_matcher.h"
#include "primitivereader.h"
#include "singlenumericattribute.h"
#include "singlenumericattributesaver.h"
#include "single_numeric_search_context.h"
#include "valuemodifier.h"
#include <vespa/searchlib/query/query_term_simple.h>
#include <vespa/searchcommon/attribute/config.h>
namespace search {
template <typename B>
SingleValueNumericAttribute<B>::
SingleValueNumericAttribute(const vespalib::string & baseFileName)
: SingleValueNumericAttribute(baseFileName, attribute::Config(attribute::BasicType::fromType(T()),
attribute::CollectionType::SINGLE))
{ }
template <typename B>
SingleValueNumericAttribute<B>::
SingleValueNumericAttribute(const vespalib::string & baseFileName, const AttributeVector::Config & c)
: B(baseFileName, c),
_data(c.getGrowStrategy(), getGenerationHolder(), this->get_initial_alloc())
{ }
template <typename B>
SingleValueNumericAttribute<B>::~SingleValueNumericAttribute()
{
getGenerationHolder().reclaim_all();
}
template <typename B>
void
SingleValueNumericAttribute<B>::onCommit()
{
this->checkSetMaxValueCount(1);
{
// apply updates
typename B::ValueModifier valueGuard(this->getValueModifier());
for (const auto & change : this->_changes.getInsertOrder()) {
if (change._type == ChangeBase::UPDATE) {
vespalib::atomic::store_ref_relaxed(_data[change._doc], change._data);
} else if (change._type >= ChangeBase::ADD && change._type <= ChangeBase::DIV) {
vespalib::atomic::store_ref_relaxed(_data[change._doc], this->template applyArithmetic<T, typename B::Change::DataType>(_data[change._doc], change._data.getArithOperand(), change._type));
} else if (change._type == ChangeBase::CLEARDOC) {
vespalib::atomic::store_ref_relaxed(_data[change._doc], this->_defaultValue._data);
}
}
}
this->reclaim_unused_memory();
this->_changes.clear();
}
template <typename B>
void
SingleValueNumericAttribute<B>::onUpdateStat()
{
vespalib::MemoryUsage usage = _data.getMemoryUsage();
usage.mergeGenerationHeldBytes(getGenerationHolder().get_held_bytes());
usage.merge(this->getChangeVectorMemoryUsage());
this->updateStatistics(_data.size(), _data.size(),
usage.allocatedBytes(), usage.usedBytes(), usage.deadBytes(), usage.allocatedBytesOnHold());
}
template <typename B>
void
SingleValueNumericAttribute<B>::onAddDocs(DocId lidLimit) {
_data.reserve(lidLimit);
}
template <typename B>
bool
SingleValueNumericAttribute<B>::addDoc(DocId & doc) {
bool incGen = _data.isFull();
_data.push_back(B::defaultValue());
std::atomic_thread_fence(std::memory_order_release);
B::incNumDocs();
doc = B::getNumDocs() - 1;
this->updateUncommittedDocIdLimit(doc);
if (incGen) {
this->incGeneration();
} else
this->reclaim_unused_memory();
return true;
}
template <typename B>
void
SingleValueNumericAttribute<B>::reclaim_memory(generation_t oldest_used_gen)
{
getGenerationHolder().reclaim(oldest_used_gen);
}
template <typename B>
void
SingleValueNumericAttribute<B>::before_inc_generation(generation_t current_gen)
{
getGenerationHolder().assign_generation(current_gen);
}
template <typename B>
bool
SingleValueNumericAttribute<B>::onLoadEnumerated(ReaderBase &attrReader)
{
uint32_t numDocs = attrReader.getEnumCount();
this->setNumDocs(numDocs);
this->setCommittedDocIdLimit(numDocs);
_data.unsafe_reserve(numDocs);
auto udatBuffer = attribute::LoadUtils::loadUDAT(*this);
assert((udatBuffer->size() % sizeof(T)) == 0);
vespalib::ConstArrayRef<T> map(reinterpret_cast<const T *>(udatBuffer->buffer()),
udatBuffer->size() / sizeof(T));
attribute::loadFromEnumeratedSingleValue(_data, getGenerationHolder(), attrReader,
map, vespalib::ConstArrayRef<uint32_t>(), attribute::NoSaveLoadedEnum());
return true;
}
template <typename B>
bool
SingleValueNumericAttribute<B>::onLoad(vespalib::Executor *)
{
PrimitiveReader<T> attrReader(*this);
bool ok(attrReader.getHasLoadData());
if (!ok) {
return false;
}
this->setCreateSerialNum(attrReader.getCreateSerialNum());
if (attrReader.getEnumerated())
return onLoadEnumerated(attrReader);
const size_t sz(attrReader.getDataCount());
getGenerationHolder().reclaim_all();
_data.reset();
_data.unsafe_reserve(sz);
for (uint32_t i = 0; i < sz; ++i) {
_data.push_back(attrReader.getNextData());
}
B::setNumDocs(sz);
B::setCommittedDocIdLimit(sz);
return true;
}
template <typename B>
std::unique_ptr<attribute::SearchContext>
SingleValueNumericAttribute<B>::getSearch(QueryTermSimple::UP qTerm,
const attribute::SearchContextParams & params) const
{
(void) params;
QueryTermSimple::RangeResult<T> res = qTerm->getRange<T>();
auto data = _data.make_read_view(this->getCommittedDocIdLimit());
if (res.isEqual()) {
return std::make_unique<attribute::SingleNumericSearchContext<T, attribute::NumericMatcher<T>>>(std::move(qTerm), *this, data);
} else {
return std::make_unique<attribute::SingleNumericSearchContext<T, attribute::NumericRangeMatcher<T>>>(std::move(qTerm), *this, data);
}
}
template <typename B>
void
SingleValueNumericAttribute<B>::clearDocs(DocId lidLow, DocId lidLimit, bool in_shrink_lid_space)
{
assert(lidLow <= lidLimit);
assert(lidLimit <= this->getNumDocs());
uint32_t count = 0;
constexpr uint32_t commit_interval = 1000;
for (DocId lid = lidLow; lid < lidLimit; ++lid) {
if (!attribute::isUndefined(_data[lid])) {
this->clearDoc(lid);
}
if ((++count % commit_interval) == 0) {
if (in_shrink_lid_space) {
this->clear_uncommitted_doc_id_limit();
}
this->commit();
}
}
}
template <typename B>
void
SingleValueNumericAttribute<B>::onShrinkLidSpace()
{
uint32_t committedDocIdLimit = this->getCommittedDocIdLimit();
assert(_data.size() >= committedDocIdLimit);
_data.shrink(committedDocIdLimit);
this->setNumDocs(committedDocIdLimit);
}
template <typename B>
std::unique_ptr<AttributeSaver>
SingleValueNumericAttribute<B>::onInitSave(vespalib::stringref fileName)
{
const uint32_t numDocs(this->getCommittedDocIdLimit());
assert(numDocs <= _data.size());
return std::make_unique<SingleValueNumericAttributeSaver>
(this->createAttributeHeader(fileName), &_data[0], numDocs * sizeof(T));
}
}
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