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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "predicate_attribute_saver.h"
#include "iattributesavetarget.h"
#include <vespa/searchlib/predicate/i_saver.h>
#include <vespa/searchlib/predicate/nbo_write.h>
#include <filesystem>
#include <vespa/log/log.h>
LOG_SETUP(".searchlib.attribute.predicate_attribute_saver");
using search::predicate::nbo_write;
namespace search {
PredicateAttributeSaver::PredicateAttributeSaver(GenerationHandler::Guard &&guard,
const attribute::AttributeHeader &header,
uint32_t version,
std::unique_ptr<predicate::ISaver> index_saver,
MinFeatureVector min_feature,
IntervalRangeVector interval_range_vector,
uint16_t max_interval_range)
: AttributeSaver(std::move(guard), header),
_version(version),
_index_saver(std::move(index_saver)),
_min_feature(std::move(min_feature)),
_interval_range_vector(std::move(interval_range_vector)),
_max_interval_range(max_interval_range)
{
}
PredicateAttributeSaver::~PredicateAttributeSaver() = default;
bool
PredicateAttributeSaver::onSave(IAttributeSaveTarget& save_target)
{
auto name = std::filesystem::path(get_file_name()).filename().native();
LOG(info, "Saving predicate attribute version %u name '%s'", _version, name.c_str());
auto writer = save_target.datWriter().allocBufferWriter();
_index_saver->save(*writer);
uint32_t highest_doc_id = static_cast<uint32_t>(_min_feature.size() - 1);
nbo_write<uint32_t>(*writer, highest_doc_id);
writer->write(&_min_feature[1], highest_doc_id);
for (size_t i = 1; i <= highest_doc_id; ++i) {
nbo_write<uint16_t>(*writer, _interval_range_vector[i]);
}
nbo_write<uint16_t>(*writer, _max_interval_range);
writer->flush();
return true;
}
}
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