Home  Sample Code ABAP OO Interfaces in ABAP Objects
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Interfaces in ABAP Objects |
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Written by Anon.
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Sunday, 27 May 2007 |
REPORT demo_interface.
INTERFACE status.
METHODS write.
ENDINTERFACE.
CLASS counter DEFINITION.
PUBLIC SECTION.
INTERFACES status.
METHODS increment.
PRIVATE SECTION.
DATA count TYPE i.
ENDCLASS.
CLASS counter IMPLEMENTATION.
METHOD status~write.
WRITE: / 'Count in counter is', count.
ENDMETHOD.
METHOD increment.
ADD 1 TO count.
ENDMETHOD.
ENDCLASS.
CLASS bicycle DEFINITION.
PUBLIC SECTION.
INTERFACES status.
METHODS drive.
PRIVATE SECTION.
DATA speed TYPE i.
ENDCLASS.
CLASS bicycle IMPLEMENTATION.
METHOD status~write.
WRITE: / 'Speed of bicycle is', speed.
ENDMETHOD.
METHOD drive.
ADD 10 TO speed.
ENDMETHOD.
ENDCLASS.
DATA: count TYPE REF TO counter,
bike TYPE REF TO bicycle,
status TYPE REF TO status,
status_tab TYPE TABLE OF REF TO status.
START-OF-SELECTION.
CREATE OBJECT: count, bike.
DO 5 TIMES.
CALL METHOD: count->increment,
bike->drive.
ENDDO.
APPEND: count TO status_tab,
bike TO status_tab.
LOOP AT status_tab INTO status.
CALL METHOD status->write.
ENDLOOP.
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