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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
/**
* \class document::MapDataType
* \ingroup datatype
*
* \brief DataType describing a map
*/
#pragma once
#include "datatype.h"
namespace document {
class MapDataType final : public DataType {
const DataType *_keyType;
const DataType *_valueType;
public:
MapDataType(const DataType &keyType, const DataType &valueType) noexcept;
MapDataType(const DataType &keyType, const DataType &valueType, int id) noexcept;
MapDataType(const MapDataType &) = delete;
MapDataType & operator=(const MapDataType &) = delete;
~MapDataType() override;
const DataType& getKeyType() const noexcept { return *_keyType; }
const DataType& getValueType() const noexcept { return *_valueType; }
std::unique_ptr<FieldValue> createFieldValue() const override;
void print(std::ostream&, bool verbose, const std::string& indent) const override;
bool equals(const DataType& other) const noexcept override;
const MapDataType * cast_map() const noexcept override { return this; }
void onBuildFieldPath(FieldPath & path, vespalib::stringref remainFieldName) const override;
static void buildFieldPathImpl(FieldPath & path, const DataType& dataType,
vespalib::stringref remainFieldName,
const DataType &keyType, const DataType &valueType);
};
} // document
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