GloBlobRecordAttribute.h

gehe zur Dokumentation dieser Datei

#ifndef INC_GLOBLOBRECORDATTRIBUTE_H
#define INC_GLOBLOBRECORDATTRIBUTE_H
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
#include <string>
#include <sstream>
#include "GloTypes.h"
#include "GloBaseRecordAttribute.h"
#include "EuBlob.h"
//-----------------------------------------------------------------------------
namespace glo
{
  //---------------------------------------------------------------------------
  #ifdef _MSC_VER
    /* 'Bezeichner': Klasse 'Typ' benötigt eine DLL-Schnittstelle, die von... */
    #pragma warning( disable : 4251 )
  #endif
  //---------------------------------------------------------------------------
  class __glo_export_dll BlobRecordAttribute : public BaseRecordAttribute
  {
    private:
      //============== Attribute
      //-----------------------------------------------------------------------
      eut::Blob m_Value;
      //-----------------------------------------------------------------------
      std::string m_sFileName;
      //-----------------------------------------------------------------------
 
    protected:
      //============= Konstruktoren
      //-----------------------------------------------------------------------
      BlobRecordAttribute();
      //-----------------------------------------------------------------------
      virtual ~BlobRecordAttribute();
      //-----------------------------------------------------------------------
 
    public:
      //============= Konstruktoren
      //-----------------------------------------------------------------------
      BlobRecordAttribute(  ClassInfoAttribute * pType,
                            const std::streampos & rFilePos );
      //-----------------------------------------------------------------------
      BlobRecordAttribute(  ClassInfoAttribute * pType,
                            const eut::Blob & rValue,
                            const std::streampos & rFilePos );
      //-----------------------------------------------------------------------
 
    protected:
      //============== Konstruktoren
      //-----------------------------------------------------------------------
      BlobRecordAttribute( const BlobRecordAttribute & rT );
      //-----------------------------------------------------------------------
 
    public:
      //============== Methoden
      //-----------------------------------------------------------------------
      virtual void initNew();
      //-----------------------------------------------------------------------
      void setValue( const eut::Blob & rValue );
      //-----------------------------------------------------------------------
      int setValue( char * pData, std::size_t nDataSize, bool bCopy = true );
      //-----------------------------------------------------------------------
      void setFileName( const std::string & rsFileName );
      //-----------------------------------------------------------------------
      void setDeterminedFileNameFromAttributeValue( ObjID ObjID );
      //-----------------------------------------------------------------------
      virtual void setValueFromVoid( void * pValue );
      //-----------------------------------------------------------------------
      const eut::Blob & getValueRef() const;
      //-----------------------------------------------------------------------
      const std::string & getFileName() const;
      //-----------------------------------------------------------------------
      virtual std::string getValueAsString() const;
      //-----------------------------------------------------------------------
      virtual std::string getValueAsDataString() const;
      //-----------------------------------------------------------------------
      virtual std::string getValueAsStreamString() const;
      //-----------------------------------------------------------------------
      virtual std::string getValueAsDisplayString() const;
      //-----------------------------------------------------------------------
      virtual void * getValueAsVoidPointer();
      //-----------------------------------------------------------------------
      virtual unsigned short getDataFieldLength() const;
      //-----------------------------------------------------------------------
      virtual bool dataIsFieldContent() const;
      //-----------------------------------------------------------------------
      virtual std::string getDataReference() const;
      //-----------------------------------------------------------------------
      virtual void setDataReference( const std::string & rsDataReference );
      //-----------------------------------------------------------------------
      virtual int updateDataReference(  const std::string & rsDataPath,
                                        DATA_REFERENCE_INFO MethodInfo );
      //-----------------------------------------------------------------------
      virtual int getFormattedFieldContents( std::string & rsRetVal,
                                             DATA_REFERENCE_INFO & rRetValInfo,
                                             ObjID ObjID );
      //-----------------------------------------------------------------------
      virtual int takeValue( const BaseRecordAttribute & rT );
      //-----------------------------------------------------------------------
      virtual int getAttributeValueBlob( eut::Blob & rBlob ) const;
      //-----------------------------------------------------------------------
      virtual BaseRecordAttribute * getCopy();
      //-----------------------------------------------------------------------
 
      //============== Operatoren
      //-----------------------------------------------------------------------
 
      bool operator== ( const BlobRecordAttribute & rT ) const;
      bool operator!= ( const BlobRecordAttribute & rT ) const;
      //-----------------------------------------------------------------------
 
    private:
      //============== Operatoren
      //-----------------------------------------------------------------------
      BlobRecordAttribute & operator= ( const BlobRecordAttribute & );
      //-----------------------------------------------------------------------
  };
  //---------------------------------------------------------------------------
  // @@UserEntry
  #ifdef _MSC_VER
    /* 'Bezeichner': Klasse 'Typ' benötigt eine DLL-Schnittstelle, die von... */
    #pragma warning( default : 4251 )
  #endif
  //---------------------------------------------------------------------------
} // namespace glo
#endif