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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/document/fieldvalue/fieldvalue.h>
#include <vespa/document/update/documentupdate.h>
#include <vespa/searchlib/attribute/attribute.h>
#include <vespa/vespalib/util/exception.h>
namespace search {
class PredicateAttribute;
namespace tensor { class TensorAttribute; }
namespace attribute {class ReferenceAttribute; }
VESPA_DEFINE_EXCEPTION(UpdateException, vespalib::Exception);
/**
* Class used to apply (document) field values and field updates to attribute vectors.
*/
class AttributeUpdater {
using Field = document::Field;
using FieldValue = document::FieldValue;
using FieldUpdate = document::FieldUpdate;
using ValueUpdate = document::ValueUpdate;
public:
static void handleUpdate(AttributeVector & vec, uint32_t lid, const FieldUpdate & upd);
static void handleValue(AttributeVector & vec, uint32_t lid, const FieldValue & val);
private:
template <typename V>
static void handleUpdate(V & vec, uint32_t lid, const ValueUpdate & upd);
template <typename V, typename Accessor>
static void handleValueT(V & vec, Accessor ac, uint32_t lid, const FieldValue & val);
template <typename V, typename Accessor>
static void handleUpdateT(V & vec, Accessor ac, uint32_t lid, const ValueUpdate & val);
template <typename V, typename Accessor>
static void appendValue(V & vec, uint32_t lid, Accessor & ac);
static void appendValue(IntegerAttribute & vec, uint32_t lid, const FieldValue & val, int weight=1);
static void removeValue(IntegerAttribute & vec, uint32_t lid, const FieldValue & val);
static void updateValue(IntegerAttribute & vec, uint32_t lid, const FieldValue & val);
static void appendValue(FloatingPointAttribute & vec, uint32_t lid, const FieldValue & val, int weight=1);
static void removeValue(FloatingPointAttribute & vec, uint32_t lid, const FieldValue & val);
static void updateValue(FloatingPointAttribute & vec, uint32_t lid, const FieldValue & val);
static void appendValue(StringAttribute & vec, uint32_t lid, const FieldValue & val, int weight=1);
static void removeValue(StringAttribute & vec, uint32_t lid, const FieldValue & val);
static void updateValue(StringAttribute & vec, uint32_t lid, const FieldValue & val);
static void updateValue(PredicateAttribute & vec, uint32_t lid, const FieldValue & val);
static void updateValue(tensor::TensorAttribute & vec, uint32_t lid, const FieldValue & val);
static void updateValue(attribute::ReferenceAttribute & vec, uint32_t lid, const FieldValue & val);
};
}
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