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Ссылка в классе на объект данного класса



 
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rdebil
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PostPosted: Thu Nov 13, 2008 4:08 pm    Post subject: Ссылка в классе на объект данного класса Reply with quote
Есть объекты, которые хранят внутри себя таблицу ссылок на своих соседей скажем. Каким образом это можно реализовать? Явная декларация перед определение самого класса ссылки на него проходит, но в дальнейшем почему-то начинает ругатся.

те. необходимо чтобы работало такое:

TYPES: BEGIN OF Neighbour_Rec,
id TYPE I,
length TYPE I,
ref TYPE REF TO CLASS_A,
END OF Neighbour_Rec.

TYPES: Neighbour_Table TYPE SORTED TABLE OF Neighbour_Rec WITH UNIQUE KEY id.

CLASS CLASS_A DEFINITION.
PUBLIC SECTION.

DATA:
id TYPE I,
fn(36) TYPE c,
nbs Type Neighbour_Table.
ENDCLASS.

Last edited by rdebil on Thu Nov 13, 2008 4:34 pm; edited 1 time in total
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John Doe
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PostPosted: Thu Nov 13, 2008 4:27 pm    Post subject: Reply with quote
Не совсем понятно. Сделал такой пример:
Code:
TYPES: TEXTTYPE TYPE STRING.
CLASS MYCLASS DEFINITION.
  PUBLIC SECTION.
    METHODS WRITE IMPORTING TEXT TYPE TEXTTYPE.
ENDCLASS.                    "MYCLASS DEFINITION

CLASS MYCLASS IMPLEMENTATION.
  METHOD WRITE.
    WRITE TEXT.
  ENDMETHOD.                    "WRITTE
ENDCLASS.                    "MYCLASS IMPLEMENTATION

DATA: BEGIN OF WA,
        STEXT TYPE STRING,
        CLASS TYPE REF TO MYCLASS,
      END OF WA.

START-OF-SELECTION.
  CREATE OBJECT WA-CLASS.
  WA-STEXT = 'Test'.
  CALL METHOD WA-CLASS->WRITE EXPORTING TEXT = WA-STEXT.

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rdebil
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PostPosted: Thu Nov 13, 2008 5:01 pm    Post subject: Reply with quote
Ок. Следующий вопрос. как можно отвечать не поняв вопроса ?
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