Qt modeling plugin 100% cpu load

bool readFromDBString( const QString& textField );
    QString writeToDBString();
    Q_INVOKABLE QVariant getAttribute( const QString &attributeName ) const;
    Q_INVOKABLE void setAttribute( const QString &attributeName, const QVariant &attributeValue );

    int getAttributesCount() const;

private:
    void clear();

private:
    QVariantMap m_map;
    bool m_draft = false;