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// This file is generated automatically.

#ifndef _IFC4X3_RC1_IFCPROPERTYREFERENCEVALUE_AUTO_IMPL_H
#define _IFC4X3_RC1_IFCPROPERTYREFERENCEVALUE_AUTO_IMPL_H

#include "IfcSimplePropertyAutoImpl.h"

#include "TD_PackPush.h"

/** \details
  The namespace contains schema-dependent classes, definitions and sub routines
  for work with IFC4X3_RC1 express schema definitions.
*/
namespace OdIfc4x3_rc1 {

/** \details
  The IfcPropertyReferenceValue allows a property value to have the same type as a resource level entity. 
  The applicable entities that can be used as value references are given by the IfcObjectReferenceSelect.

  \changes
  
  * IFC4 changes: 
    * Attribute PropertyReference has been made OPTIONAL with upward compatibility for file based exchange.
    * Type of the UsageName attribute changed from IfcLabel to IfcText.
*/
class IFC4X3_RC1_EXPORT IfcPropertyReferenceValue : public IfcSimpleProperty
{
  //DOM-IGNORE-BEGIN
  OD_EXP_DECLARE_MEMBERS(OdIfc4x3_rc1::IfcPropertyReferenceValue);
  //DOM-IGNORE-END

public:


  //
  // OdDAI early binding accessors
  //


  /** \details
  Returns the value of UsageName attribute. UsageName is description of the use of the referenced value within the property. 
  It is a descriptive text that can hold an expression or other additional information.
  \returns
  Returns a string representing the UsageName attribute.
  */
  const OdAnsiString& getUsageName() const;

  /** \details
  Sets the value of UsageName attribute. UsageName is description of the use of the referenced value within the property. 
  It is a descriptive text that can hold an expression or other additional information.
  \param UsageName [in] Usage name to set.
  */
  void setUsageName(const OdAnsiString& UsageName);

  /** \details
  Returns the value of PropertyReference attribute. PropertyReference is reference to another property entity through 
  one of the select types in the IfcObjectReferenceSelect.
  \returns
  Returns the value of PropertyReference attribute.
  */
  IfcObjectReferenceSelect propertyReference();


public:

  /** \details
  Default constructor for the IfcPropertyReferenceValue class.
  */
  IfcPropertyReferenceValue();

  /** \details
  Reads object's data from the specified filer.
  \param rdFiler [in] Pointer to a filer from which to read the data.
  \returns
  A value of OdResult type that contains the result of the method execution.
  */
  virtual OdResult inFields(OdDAI::OdSpfFilerBase* rdFiler) override;

  /** \details
  Writes object's data the the specified filer.
  \param wrFiler [in] Pointer to a filer to which to write the data.
  \returns
  A value of OdResult type that contains the result of the method execution.
  */
  virtual OdResult outFields(OdDAI::OdSpfFilerBase* wrFiler) override;

  /** \details
  Returns a type of a class instance.
  \returns
  Pointer to the <exref target="OdDAI__Entity.html">OdDAI::Entity</exref> type that determines an entity definition within a schema.
  */
  virtual OdDAI::Entity* getInstanceType() const override;

  /** \details
  Returns an attribute value for the specified attribute name.
  \param attrName [in] Name of an attribute to query.
  \returns
  OdRxValue object that represents a generic variant type value.
  */
  virtual OdRxValue getAttr(const char * attrName) const override;

  /** \details
  Early-bound version of instances comparison.
  \param pOther [in] Other application instance.
  \param ordering [out] Receives the ordering (comparison) status.
  \returns
  true if comparison was performed, false if method has no implementation, so late-bound version could be applied.
  \remarks
  If the method returns true,
  the ordering parameter can receive one of the following statuses:
  <table>
    Name             Value    Description
    _kLessThan_      -1       This object < Other Object.
    _kEqual_          0       This object = Other Object.
    _kGreaterThan_    1       This object > Other Object.
    _kNotOrderable_   2       This class is not orderable.
  </table>
  */
  virtual bool comparedToEarlyImpl(const OdDAI::ApplicationInstance *pOther, OdRx::Ordering &ordering) const override;

  /** \details
  Resets a value for the specified attribute.
  \param explicitAttrName [in] Explicit name of the attribute to reset.
  */
  virtual void unsetAttr(const char * explicitAttrName) override;

  /** \details
  Checks whether the specified attribute is set.
  \param explicitAttrName [in] Explicit name of the attribute to test.
  \returns
  true if the specified attribute is set, false otherwise.
  */
  virtual bool testAttr(const char * explicitAttrName) const override;

  /** \details
  Sets the specified attribute with a given value.
  \param explicitAttrName [in] Explicit name of the attribute to set.
  \param val [in] Value to set.
  \returns
  true if the value is successfully set for the specified attribute, false otherwise.
  */
  virtual bool putAttr(const char * explicitAttrName, const OdRxValue &val) override;

  /** \details
  Checks whether the specified instance is the object derived from or belongs to this class.
  \param entityType [in] Entity to check.
  \returns
  true if the specified instance is the object derived from or belongs to this class, false otherwise.
  */
  virtual bool isKindOf(OdIfc::OdIfcEntityType entityType) const override;

  /** \details
  Returns the type of this entity.
  \returns
  A value of the <exref target="OdIfc__OdIfcEntityType.html">OdIfc::OdIfcEntityType</exref> type that represents type of this entity.
  */
  virtual OdIfc::OdIfcEntityType type() const override;

  /** \details
  Returns an attribute value for the specified attribute definition.
  \param attrDef [in] Attribute definition to query.
  \returns
  OdRxValue object that represents a generic variant type value.
  */
  virtual OdRxValue getAttr(const OdIfc::OdIfcAttribute attrDef) const override;

  /** \details
  Resets a value for the specified attribute.
  \param explicitAttrDef [in] Explicit definition that represents an attribute to reset.
  */
  virtual void unsetAttr(const OdIfc::OdIfcAttribute explicitAttrDef) override;

  /** \details
  Checks whether the specified attribute is set.
  \param explicitAttrDef [in] Attribute definition to test.
  \returns
  true if the specified attribute is set, false otherwise.
  */
  virtual bool testAttr(const OdIfc::OdIfcAttribute explicitAttrDef) const override;

  /** \details
  Sets the specified attribute with a given value.
  \param explicitAttrDef [in] Explicit attribute definition to set.
  \param val [in] Value to set.
  \returns
  true if the value is successfully set for the specified attribute, false otherwise.
  */
  virtual bool putAttr(const OdIfc::OdIfcAttribute explicitAttrDef, const OdRxValue &val) override;

protected:
  // Fields declaration: 
  OdAnsiString m_UsageName;   // IfcText  [optional]
  OdDAI::Select m_PropertyReference;   // IfcObjectReferenceSelect  [optional]
};

/** \details
  A data type that represents a smart pointer to a <exref target="OdIfc4x3_rc1__IfcPropertyReferenceValue.html">IfcPropertyReferenceValue</exref> object.
*/
typedef OdSmartPtr<IfcPropertyReferenceValue> IfcPropertyReferenceValuePtr;

} // namespace

#include "TD_PackPop.h"

#endif // _IFC4X3_RC1_IFCPROPERTYREFERENCEVALUE_AUTO_IMPL_H