RTDataObject.h

/*
 * Licensed Materials - Property of HCL and/or IBM
 * Copyright HCL Technologies Ltd. 2016, 2021. All Rights Reserved.
 * Copyright IBM Corporation 1999, 2016. All Rights Reserved.
 *
 * U.S. Government Users Restricted Rights -  Use, duplication or 
 * disclosure restricted by GSA ADP Schedule.
 */
 
#ifndef __RTDataObject_h__
#define __RTDataObject_h__ included
 
#ifdef PRAGMA
#pragma interface
#endif
 
#ifndef __RTVersionId_h__
#include <RTVersionId.h>
#endif
 
class  RTDataObject;
class  RTDecoding;
class  RTEncoding;
struct RTObject_class;
 
typedef RTDataObject * (* RTDataObjectFunc)( void );
 
class RTDataObject
{
public:
                                    RTDataObject( void );
                                    RTDataObject( const RTDataObject & );
    virtual                         ~RTDataObject( void );
 
    virtual int                     operator==( const RTDataObject & ) const;
    RTS_INLINE int                  operator!=( const RTDataObject & ) const;
    virtual RTDataObject          * copy( void ) const;
 
#if OBJECT_ENCODE
    char                          * printString( void ) const;
    int                             printString( char * buf, int size ) const;
    virtual int                     put( RTEncoding & ) const;
#endif
 
#if OBJECT_DECODE
    virtual int                     ObjectForm( RTDecoding & );
#endif
 
    virtual const RTObject_class  * getClassData( void ) const;
    virtual const char            * getTypeName( void ) const;
    RTVersionId                     getVersion( void ) const;
    int                             isType( const char * ) const;
    int                             isSameType( const RTObject_class * ) const;
 
    static  const RTObject_class    classData;
 
#define RTType_RTDataObject  (  RTDataObject::classData )
 
#if OBJECT_DECODE
    static void                     initialize( void );
#endif
};
 
extern const RTDataObject EmptyObject;
 
struct RTTypedValue_RTDataObject
{
    const void           * data;
    const RTObject_class * type;
 
    RTS_INLINE RTTypedValue_RTDataObject( const RTDataObject & ); //lint !e1931
    RTS_INLINE RTTypedValue_RTDataObject( const RTDataObject   &,
                      const RTObject_class * );
}; //lint !e1712
 
typedef RTDataObject * RTpRTDataObject;
 
extern const RTObject_class RTType_RTpRTDataObject;
 
// Helper function for descriptors of classes in the RTDataObject hierarchy.
extern void RTDataObject_destroy( const RTObject_class *, void * );
 
#if RTS_INLINES
#include <RTDataObject.inl>
#endif
 
#endif // __RTDataObject_h__