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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 "fieldpathupdate.h"
#include <vespa/document/base/documentcalculator.h>
namespace document {
class AssignFieldPathUpdate final : public FieldPathUpdate
{
public:
enum SerializationFlag
{
ARITHMETIC_EXPRESSION = 1u,
REMOVE_IF_ZERO = 2u,
CREATE_MISSING_PATH = 4u
};
/** For deserialization */
AssignFieldPathUpdate();
AssignFieldPathUpdate(AssignFieldPathUpdate &&) noexcept = default;
AssignFieldPathUpdate & operator =(AssignFieldPathUpdate &&) noexcept = default;
AssignFieldPathUpdate(const AssignFieldPathUpdate &) = delete;
AssignFieldPathUpdate & operator =(const AssignFieldPathUpdate &) = delete;
AssignFieldPathUpdate(const DataType& type, stringref fieldPath, stringref whereClause, std::unique_ptr<FieldValue> newValue);
AssignFieldPathUpdate(stringref fieldPath, stringref whereClause, stringref expression);
~AssignFieldPathUpdate();
void setRemoveIfZero(bool removeIfZero) {
_removeIfZero = removeIfZero;
}
bool getRemoveIfZero() const { return _removeIfZero; }
void setCreateMissingPath(bool createMissingPath) {
_createMissingPath = createMissingPath;
}
bool getCreateMissingPath() const { return _createMissingPath; }
const vespalib::string& getExpression() const { return _expression; }
bool hasValue() const { return bool(_newValue); }
const FieldValue & getValue() const { return *_newValue; }
bool operator==(const FieldPathUpdate& other) const override;
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
ACCEPT_UPDATE_VISITOR;
private:
uint8_t getSerializedType() const override { return AssignMagic; }
void deserialize(const DocumentTypeRepo& repo, const DataType& type, nbostream & stream) override;
std::unique_ptr<fieldvalue::IteratorHandler> getIteratorHandler(Document& doc, const DocumentTypeRepo & repo) const override;
std::unique_ptr<FieldValue> _newValue;
vespalib::string _expression;
bool _removeIfZero;
bool _createMissingPath;
};
}
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