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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/document/fieldvalue/fieldvaluevisitor.h>
namespace search::docsummary {
/*
* This class checks if field value is considered the same value as
* undefined values string/double/float attribute vectors or empty
* array/map/weighted set.
*/
class CheckUndefinedValueVisitor : public document::ConstFieldValueVisitor
{
bool _is_undefined;
void visit(const document::AnnotationReferenceFieldValue&) override;
void visit(const document::ArrayFieldValue& value) override;
void visit(const document::BoolFieldValue&) override;
void visit(const document::ByteFieldValue&) override;
void visit(const document::Document&) override;
void visit(const document::DoubleFieldValue& value) override;
void visit(const document::FloatFieldValue& value) override;
void visit(const document::IntFieldValue&) override;
void visit(const document::LongFieldValue&) override;
void visit(const document::MapFieldValue& value) override;
void visit(const document::PredicateFieldValue&) override;
void visit(const document::RawFieldValue& value) override;
void visit(const document::ShortFieldValue&) override;
void visit(const document::StringFieldValue& value) override;
void visit(const document::StructFieldValue&) override;
void visit(const document::WeightedSetFieldValue& value) override;
void visit(const document::TensorFieldValue&) override;
void visit(const document::ReferenceFieldValue&) override;
public:
CheckUndefinedValueVisitor();
~CheckUndefinedValueVisitor() override;
bool is_undefined() const noexcept { return _is_undefined; }
};
}
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