// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to 
// this header file considered to be the "object code" form of the original source.

#ifndef _TDataStd_Variable_HeaderFile
#define _TDataStd_Variable_HeaderFile

#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_DefineHandle_HeaderFile
#include <Standard_DefineHandle.hxx>
#endif
#ifndef _Handle_TDataStd_Variable_HeaderFile
#include <Handle_TDataStd_Variable.hxx>
#endif

#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _TCollection_AsciiString_HeaderFile
#include <TCollection_AsciiString.hxx>
#endif
#ifndef _TDF_Attribute_HeaderFile
#include <TDF_Attribute.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _TDataStd_RealEnum_HeaderFile
#include <TDataStd_RealEnum.hxx>
#endif
#ifndef _Handle_TDataStd_Real_HeaderFile
#include <Handle_TDataStd_Real.hxx>
#endif
#ifndef _Handle_TDataStd_Expression_HeaderFile
#include <Handle_TDataStd_Expression.hxx>
#endif
#ifndef _Handle_TDF_Attribute_HeaderFile
#include <Handle_TDF_Attribute.hxx>
#endif
#ifndef _Handle_TDF_RelocationTable_HeaderFile
#include <Handle_TDF_RelocationTable.hxx>
#endif
#ifndef _Handle_TDF_DataSet_HeaderFile
#include <Handle_TDF_DataSet.hxx>
#endif
#ifndef _Standard_OStream_HeaderFile
#include <Standard_OStream.hxx>
#endif
class Standard_GUID;
class TDF_Label;
class TCollection_ExtendedString;
class TDataStd_Real;
class TDataStd_Expression;
class TCollection_AsciiString;
class TDF_Attribute;
class TDF_RelocationTable;
class TDF_DataSet;


//! Variable attribute. <br>
//!          ================== <br>
//! <br>
//!           * A variable is  associated to a TDataStd_Real (which <br>
//!          contains its    current  value) and  a   TDataStd_Name <br>
//!          attribute (which  contains  its name).  It  contains a <br>
//!          constant flag, and a Unit <br>
//! <br>
//!          * An  expression may  be assigned  to a variable.   In <br>
//!          thatcase the expression  is handled by the  associated <br>
//!          Expression Attribute  and the Variable returns True to <br>
//!          the method <IsAssigned>. <br>
class TDataStd_Variable : public TDF_Attribute {

public:

  //! class methods <br>
//!          ============= <br>
  Standard_EXPORT   static const Standard_GUID& GetID() ;
  //! Find, or create, a  Variable attribute. <br>//! Real methods <br>
//!          ============ <br>
  Standard_EXPORT   static  Handle_TDataStd_Variable Set(const TDF_Label& label) ;
  
  Standard_EXPORT   TDataStd_Variable();
  //!  set or change the name  of the variable, in myUnknown <br>
//!           and my associated Name attribute. <br>
  Standard_EXPORT     void Name(const TCollection_ExtendedString& string) ;
  //! returns    string   stored  in   the  associated  Name <br>
//!          attribute. <br>
  Standard_EXPORT    const TCollection_ExtendedString& Name() const;
  //! retrieve or create  the associated real attribute  and <br>
//!          set the  value  <value>.   if creation, dimension   is <br>
//!          written. <br>
  Standard_EXPORT     void Set(const Standard_Real value,const TDataStd_RealEnum dimension = TDataStd_SCALAR) const;
  //! returns True if a Real attribute is associated. <br>
  Standard_EXPORT     Standard_Boolean IsValued() const;
  //! returns value stored in associated Real attribute. <br>
  Standard_EXPORT     Standard_Real Get() const;
  //! returns associated Real attribute. <br>
  Standard_EXPORT     Handle_TDataStd_Real Real() const;
  //! returns True if an Expression attribute is associated. <br>//! create(if doesn't exist), set and returns the assigned <br>
//!          expression attribute. <br>
  Standard_EXPORT     Standard_Boolean IsAssigned() const;
  //! create(if  doesn't exist)  and  returns  the  assigned <br>
//!           expression  attribute. fill it after. <br>
  Standard_EXPORT     Handle_TDataStd_Expression Assign() const;
  //! if <me> is  assigned delete the associated  expression <br>
//!          attribute. <br>
  Standard_EXPORT     void Desassign() const;
  //! if <me>  is  assigned, returns  associated  Expression <br>
//!          attribute. <br>
  Standard_EXPORT     Handle_TDataStd_Expression Expression() const;
  //! shortcut for <Real()->IsCaptured()> <br>
  Standard_EXPORT     Standard_Boolean IsCaptured() const;
  //! A constant value is not modified by regeneration. <br>
  Standard_EXPORT     Standard_Boolean IsConstant() const;
  
  Standard_EXPORT     void Unit(const TCollection_AsciiString& unit) ;
  //! to read/write fields <br>
//!          =================== <br>
  Standard_EXPORT    const TCollection_AsciiString& Unit() const;
  //!  if  <status> is   True, this  variable  will not   be <br>
//!          modified by the solver. <br>
  Standard_EXPORT     void Constant(const Standard_Boolean status) ;
  
  Standard_EXPORT    const Standard_GUID& ID() const;
  
  Standard_EXPORT     void Restore(const Handle(TDF_Attribute)& With) ;
  
  Standard_EXPORT     Handle_TDF_Attribute NewEmpty() const;
  
  Standard_EXPORT     void Paste(const Handle(TDF_Attribute)& Into,const Handle(TDF_RelocationTable)& RT) const;
  //! to export reference to the associated Name attribute. <br>
  Standard_EXPORT   virtual  void References(const Handle(TDF_DataSet)& DS) const;
  
  Standard_EXPORT   virtual  Standard_OStream& Dump(Standard_OStream& anOS) const;




  DEFINE_STANDARD_RTTI(TDataStd_Variable)

protected:




private: 


Standard_Boolean isConstant;
TCollection_AsciiString myUnit;


};





// other Inline functions and methods (like "C++: function call" methods)


#endif