REPORT z17_025 .
TABLES:sflight.
SELECT-OPTIONS: s_carrid FOR sflight-carrid.
CLASS c1 DEFINITION.
PUBLIC SECTION.
TYPES:BEGIN OF t_sflight,
carrid TYPE sflight-carrid,
connid TYPE sflight-connid,
END OF t_sflight.
DATA:itab TYPE STANDARD TABLE OF t_sflight,
wa_itab TYPE t_sflight.
EVENTS: e1 .
METHODS:get_data,display_data,no_data FOR EVENT e1 OF c1..
ENDCLASS. "C1 DEFINITION
CLASS c1 IMPLEMENTATION.
METHOD: get_data.
SELECT carrid connid FROM sflight INTO TABLE itab
WHERE carrid IN s_carrid.
IF sy-subrc <> 0.
RAISE EVENT e1.
ELSE .
CALL METHOD display_data.
ENDIF.
ENDMETHOD. "GET_DATA
METHOD:display_data.
LOOP AT itab INTO wa_itab.
WRITE:/10 wa_itab-carrid.
WRITE:40 wa_itab-connid.
ENDLOOP.
ENDMETHOD. "DISPLAY_DATA
METHOD no_data.
WRITE:/10 'C1: NO DATA FOR SELECTION CRITERIA'.
ENDMETHOD. "NO_DATA
ENDCLASS. "C1 IMPLEMENTATION
***********************
CLASS c2 DEFINITION .
PUBLIC SECTION.
METHODS:no_data FOR EVENT e1 OF c1.
ENDCLASS. "C2 DEFINITION
CLASS c2 IMPLEMENTATION.
METHOD no_data.
WRITE:/10 ' C2:NO DATA FOR SELECTION CRITERIA'.
ENDMETHOD. "NO_DATA
ENDCLASS. "C2 IMPLEMENTATION
DATA:obj1 TYPE REF TO c1,
obj3 TYPE REF TO c1.
DATA:obj2 TYPE REF TO c2.
START-OF-SELECTION.
CREATE OBJECT: obj1,obj3 ,obj2.
SET HANDLER obj1->no_data FOR: obj1.
CALL METHOD obj1->get_data.
SET HANDLER obj1->no_data FOR: obj1 ACTIVATION space.
SET HANDLER obj2->no_data FOR obj1.
CALL METHOD obj1->get_data.
TABLES:sflight.
SELECT-OPTIONS: s_carrid FOR sflight-carrid.
CLASS c1 DEFINITION.
PUBLIC SECTION.
TYPES:BEGIN OF t_sflight,
carrid TYPE sflight-carrid,
connid TYPE sflight-connid,
END OF t_sflight.
DATA:itab TYPE STANDARD TABLE OF t_sflight,
wa_itab TYPE t_sflight.
EVENTS: e1 .
METHODS:get_data,display_data,no_data FOR EVENT e1 OF c1..
ENDCLASS. "C1 DEFINITION
CLASS c1 IMPLEMENTATION.
METHOD: get_data.
SELECT carrid connid FROM sflight INTO TABLE itab
WHERE carrid IN s_carrid.
IF sy-subrc <> 0.
RAISE EVENT e1.
ELSE .
CALL METHOD display_data.
ENDIF.
ENDMETHOD. "GET_DATA
METHOD:display_data.
LOOP AT itab INTO wa_itab.
WRITE:/10 wa_itab-carrid.
WRITE:40 wa_itab-connid.
ENDLOOP.
ENDMETHOD. "DISPLAY_DATA
METHOD no_data.
WRITE:/10 'C1: NO DATA FOR SELECTION CRITERIA'.
ENDMETHOD. "NO_DATA
ENDCLASS. "C1 IMPLEMENTATION
***********************
CLASS c2 DEFINITION .
PUBLIC SECTION.
METHODS:no_data FOR EVENT e1 OF c1.
ENDCLASS. "C2 DEFINITION
CLASS c2 IMPLEMENTATION.
METHOD no_data.
WRITE:/10 ' C2:NO DATA FOR SELECTION CRITERIA'.
ENDMETHOD. "NO_DATA
ENDCLASS. "C2 IMPLEMENTATION
DATA:obj1 TYPE REF TO c1,
obj3 TYPE REF TO c1.
DATA:obj2 TYPE REF TO c2.
START-OF-SELECTION.
CREATE OBJECT: obj1,obj3 ,obj2.
SET HANDLER obj1->no_data FOR: obj1.
CALL METHOD obj1->get_data.
SET HANDLER obj1->no_data FOR: obj1 ACTIVATION space.
SET HANDLER obj2->no_data FOR obj1.
CALL METHOD obj1->get_data.
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