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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "multinumericattributesaver.h"
#include "multivalueattributesaverutils.h"
#include <vespa/searchcommon/attribute/multivalue.h>
#include <vespa/searchlib/util/bufferwriter.h>
using vespalib::GenerationHandler;
using search::multivalueattributesaver::CountWriter;
using search::multivalueattributesaver::WeightWriter;
namespace search {
namespace {
class DatWriter
{
std::unique_ptr<search::BufferWriter> _datWriter;
public:
DatWriter(IAttributeSaveTarget &saveTarget)
: _datWriter(saveTarget.datWriter().allocBufferWriter())
{
}
~DatWriter()
{
_datWriter->flush();
}
template <typename MultiValueT>
void
writeValues(vespalib::ConstArrayRef<MultiValueT> values) {
for (const MultiValueT &valueRef : values) {
using ValueType = multivalue::ValueType_t<MultiValueT>;
ValueType value(valueRef);
_datWriter->write(&value, sizeof(ValueType));
}
}
};
}
template <typename MultiValueT>
MultiValueNumericAttributeSaver<MultiValueT>::
MultiValueNumericAttributeSaver(GenerationHandler::Guard &&guard,
const attribute::AttributeHeader &header,
const MultiValueMapping &mvMapping)
: Parent(std::move(guard), header, mvMapping),
_mvMapping(mvMapping)
{
}
template <typename MultiValueT>
MultiValueNumericAttributeSaver<MultiValueT>::
~MultiValueNumericAttributeSaver()
{
}
template <typename MultiValueT>
bool
MultiValueNumericAttributeSaver<MultiValueT>::
onSave(IAttributeSaveTarget &saveTarget)
{
CountWriter countWriter(saveTarget);
WeightWriter<multivalue::is_WeightedValue_v<MultiValueType>> weightWriter(saveTarget);
DatWriter datWriter(saveTarget);
for (uint32_t docId = 0; docId < _frozenIndices.size(); ++docId) {
vespalib::datastore::EntryRef idx = _frozenIndices[docId];
vespalib::ConstArrayRef<MultiValueType> values(_mvMapping.getDataForIdx(idx));
countWriter.writeCount(values.size());
weightWriter.writeWeights(values);
datWriter.writeValues(values);
}
return true;
}
template class MultiValueNumericAttributeSaver<int8_t>;
template class MultiValueNumericAttributeSaver<int16_t>;
template class MultiValueNumericAttributeSaver<int32_t>;
template class MultiValueNumericAttributeSaver<int64_t>;
template class MultiValueNumericAttributeSaver<float>;
template class MultiValueNumericAttributeSaver<double>;
template class MultiValueNumericAttributeSaver<multivalue::WeightedValue<int8_t>>;
template class MultiValueNumericAttributeSaver<multivalue::WeightedValue<int16_t>>;
template class MultiValueNumericAttributeSaver<multivalue::WeightedValue<int32_t>>;
template class MultiValueNumericAttributeSaver<multivalue::WeightedValue<int64_t>>;
template class MultiValueNumericAttributeSaver<multivalue::WeightedValue<float>>;
template class MultiValueNumericAttributeSaver<multivalue::WeightedValue<double>>;
} // namespace search
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