TObj_Persistence.hxx File Reference

#include <TObj_Container.hxx>

Data Structures
class	TObj_Persistence

Macros
#define	_TOBJOCAF_PERSISTENCE_ACCESS_
	Declare subclass and methods of the class inherited from TObj_Object necessary for implementation of persistence This declaration should be put inside class declaration, under 'protected' modifier.
#define	DECLARE_TOBJOCAF_PERSISTENCE(name, ancestor)
#define	IMPLEMENT_TOBJOCAF_PERSISTENCE(name)
	Implement mechanism for registration the type for persistence This should not be used for abstract classes (while DECLARE should)

Macro Definition Documentation

_TOBJOCAF_PERSISTENCE_ACCESS_

#define _TOBJOCAF_PERSISTENCE_ACCESS_

Declare subclass and methods of the class inherited from TObj_Object necessary for implementation of persistence This declaration should be put inside class declaration, under 'protected' modifier.

DECLARE_TOBJOCAF_PERSISTENCE

#define DECLARE_TOBJOCAF_PERSISTENCE	(		name,
			ancestor )

Value:

  name(const TObj_Persistence* p, const TDF_Label& aLabel)                                         \
      : ancestor(p, aLabel)                                                                        \
  {                                                                                                \
    initFields();                                                                                  \
  } /* give the object a chance to initialize its fields */                                        \
                                                                                                   \
  /* Creates an object of a proper type */                                                         \
  /* First argument is used just to avoid possible conflict with other constructors */             \
  _TOBJOCAF_PERSISTENCE_ACCESS_                                                                    \
  class Persistence_ : public TObj_Persistence                                                     \
  {                                                                                                \
    /* Friend private class of name, is a tool providing persistence */                            \
  public:                                                                                          \
    Persistence_()                                                                                 \
        : TObj_Persistence(#name)                                                                  \
    {                                                                                              \
    } /* register the tool */                                                                      \
    virtual Handle(TObj_Object) New(const TDF_Label& aLabel) const;                                \
    /* Creates an object of a proper type */                                                       \
  };                                                                                               \
  friend class Persistence_;                                                                       \
  static Persistence_ myPersistence_; /* Static field implementing persistsnce tool */

IMPLEMENT_TOBJOCAF_PERSISTENCE

#define IMPLEMENT_TOBJOCAF_PERSISTENCE

(

name

)

Value:

  name::Persistence_  name::myPersistence_;                                                        \
  Handle(TObj_Object) name::Persistence_::New(const TDF_Label& aLabel) const                       \
  {                                                                                                \
    return new name((const TObj_Persistence*)0, aLabel);                                           \
  }

Implement mechanism for registration the type for persistence This should not be used for abstract classes (while DECLARE should)