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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 "fieldvalue.h"
namespace vespalib::eval { struct Value; }
namespace document {
class TensorDataType;
/**
* Field value representing a tensor.
*/
class TensorFieldValue final : public FieldValue {
private:
const TensorDataType &_dataType;
std::unique_ptr<vespalib::eval::Value> _tensor;
public:
TensorFieldValue();
explicit TensorFieldValue(const TensorDataType &dataType);
TensorFieldValue(const TensorFieldValue &rhs);
TensorFieldValue(TensorFieldValue &&rhs);
~TensorFieldValue() override;
TensorFieldValue &operator=(const TensorFieldValue &rhs);
TensorFieldValue &operator=(std::unique_ptr<vespalib::eval::Value> rhs);
void make_empty_if_not_existing();
void accept(FieldValueVisitor &visitor) override;
void accept(ConstFieldValueVisitor &visitor) const override;
const DataType *getDataType() const override;
const TensorDataType& get_tensor_data_type() const { return _dataType; }
TensorFieldValue* clone() const override;
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
void printXml(XmlOutputStream& out) const override;
FieldValue &assign(const FieldValue &value) override;
const vespalib::eval::Value *getAsTensorPtr() const {
return _tensor.get();
}
void assignDeserialized(std::unique_ptr<vespalib::eval::Value> rhs);
int compare(const FieldValue& other) const override;
};
} // document
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