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#ifndef _BCF_3_0_RELATED_TOPIC_H
#define _BCF_3_0_RELATED_TOPIC_H

#include "BcfCommon.h"

#include "BcfElement.h"

/** \details
Contains declarations related to working with BCF files content.
*/
namespace OdBcf {

  class OdBcfValidationContext;

}

/** \details
  Contains declarations related to working with data of the BCF format version 3.0.
*/
namespace OdBcf_3_0 {

  /** \details
    A class that stores and operates a related topic data.
  */
  class BCF_3_0_EXPORT OdBcfRelatedTopic : public OdBcf::OdBcfElement
  {
  public:

    //DOM-IGNORE-BEGIN
    ODRX_DECLARE_MEMBERS(OdBcfRelatedTopic);
    //DOM-IGNORE-END
    
    /** \details
      Creates a new related topic object.
      \param guid [in] A guid of the topic.
      \returns A smart pointer to the created <exref target="../tifc_api_cpp/OdBcf_3_0__OdBcfRelatedTopic.html">OdBcfRelatedTopic</exref> instance.
    */
    static OdSmartPtr<OdBcfRelatedTopic> createObject(const OdGUID& guid);

    /** \details
      Creates a new related topic object with default parameters.
    */
    OdBcfRelatedTopic();

    /** \details
      Reads XML data into ODA data structures.
      \param pParent [in] A pointer to the parent element of the data structure.
      \returns eOk if data is successfully read; otherwise, the method returns an appropriate error code.
    */
    virtual OdResult inFields(TiXmlElement *pParent) ODRX_OVERRIDE;

    /** \details
      Writes data into XML structures.
      \param pParent [in] A pointer to the parent element of the data structure.
      \returns eOk if data is successfully written; otherwise, the method returns an appropriate error code.
    */
    virtual OdResult outFields(TiXmlElement *pParent) const ODRX_OVERRIDE;

    /** \details
      Retrieves the global unique identifier (GUID) of the related topic.
      \returns An <exref target="../tkernel_api_cpp/OdGUID.html">OdGUID</exref> object that contains the related topic's GUID.
      \remarks
      The GUID returned by the method can't be modified in the calling subroutine.
    */
    const OdGUID& getGuid() const ODRX_OVERRIDE;

    /** \details
      Defines whether the global unique identifier (GUID) of the related topic is not initialized.
      \returns true if the GUID is not initialized; otherwise, the method returns false.
    */
    bool isGuidUnset() const;

    //DOM-IGNORE-BEGIN
  protected:
    OdGUID m_guid;

    /** \details
      Checks whether the related topic instance has all required fields initialized.
      \param context [in/out] A raw pointer to the validation context to store results in.
      \returns true if all required fields are initialized; otherwise the method returns false.
    */
    virtual bool validateData(OdBcf::OdBcfValidationContext *context) const ODRX_OVERRIDE;
    //DOM-IGNORE-END
  };

  /** \details 
    A data type that represents a smart pointer to an <exref target="../tifc_api_cpp/OdBcf_3_0__OdBcfRelatedTopic.html">OdBcfRelatedTopic</exref> object.
  */
  typedef OdSmartPtr<OdBcfRelatedTopic> OdBcfRelatedTopicPtr;

} //namespace OdBcf_3_0

#endif // _BCF_3_0_RELATED_TOPIC_H