que hace?

[Jaguar]

hola. no tengo ni idea de abap, alguien me puede decir que hace estos tres codigos.

gracias

codigo 1


* TABLES: PA0001, PA0105.

DATA: no_persona LIKE PA0001-PERNR.

SELECT SINGLE PERNR
INTO NO_PERSONA
FROM PA0001
WHERE PLANS = POSICION_INICIADOR.

IF SY-SUBRC = 0.
SELECT SINGLE USRID
INTO USUARIO
FROM PA0105
WHERE PERNR = NO_PERSONA
AND BEGDA LE SY-DATUM
AND ENDDA GE SY-DATUM.
ENDIF.

CONCATENATE 'US' USUARIO INTO USUARIO.

ENDFUNCTION.



codigo 2

KEY LIKE SWOTOBJID-OBJKEY.
END_DATA OBJECT. " Do not change.. DATA is g

BEGIN_METHOD ZWMSBFTRAERUSUARIOSAP CHANGING
DATA:
CWDPOSITION LIKE PA0001-PLANS,
INITIATOROFWORKFLOWI LIKE WFSYST-INITI
SWC_GET_ELEMENT CONTAINER 'CWDPosition' CW
CALL FUNCTION 'Z_WF_BUSQUEDA_US_04'
EXPORTING
POSICION_INICIADOR = CWDPOSITION
IMPORTING
USUARIO = INITIATOROFWORKFLOWI
EXCEPTIONS
OTHERS = 01.
CASE SY-SUBRC.
WHEN 0. " OK
WHEN OTHERS. " to be implemented
ENDCASE.
Act.


codigo 3

TABLES: rp50m, ".
t531s,
pa0001, "Infotipo 0001
p0000, "Infotipo 0000
p0001,
pa0019,
pcl1,
p0019.

DATA: gc_cfecha LIKE t531s-tmtxt,
gc_clasef LIKE p0019-tmart,
gd_fvigen LIKE p0001-endda,
gd_fvenc LIKE p0019-termn,
gn_nempl LIKE p0000-pernr,
gc_nombre LIKE p0001-ename,
gc_subty LIKE p0019-subty,
gn_posicion LIKE pa0001-plans,
gc_text1 LIKE rp50m-text1,
gc_text2 LIKE rp50m-text2,
gc_text3 LIKE rp50m-text3.

TYPES: BEGIN OF STRIT0001,
pernr like pa0001-pernr,
begda LIKE PA0001-begda,
endda LIKE PA0001-endda,
END OF STRIT0001.

DATA:
IT_STR001 TYPE STANDARD TABLE OF STRIT0001,
WA_STR001 TYPE STRIT0001.

DATA: BEGIN OF zwork OCCURS 0.
INCLUDE STRUCTURE pa0019.
DATA: END OF zwork.

DATA: tx-key LIKE pskey.

DATA: BEGIN OF ptext OCCURS 6. "Tabla donde quedan las lineas Texto
DATA: line(78).
DATA: END OF ptext.

DATA: BEGIN OF text-version,
nummer TYPE x VALUE ' ',
END OF text-version.

SELECT * INTO TABLE zwork
FROM pa0019
WHERE zzindicawf = 'X'
AND mndat = sy-datum.

LOOP AT zwork.
PERFORM datos_basicos.
PERFORM fecha_vigencia.
PERFORM clase_fecha.
PERFORM textos.
PERFORM work1.
CLEAR: ptext-line, gc_text1, gc_text2, gc_text3.
ENDLOOP.

*&---------------------------------------------------------------------*
*& Form DATOS_BASICOS
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM datos_basicos.
SELECT ename INTO gc_nombre
FROM pa0001
WHERE pernr = zwork-pernr.
ENDSELECT.
gd_fvenc = zwork-termn.
gc_clasef = zwork-tmart.
gn_nempl = zwork-pernr.
gc_subty = zwork-subty.
gn_posicion = zwork-zzposicion.

ENDFORM. " DATOS_BASICOS

*&---------------------------------------------------------------------*
*& Form WORK1
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM work1.
* write: / gd_fvenc, gc_cfecha, gn_nempl, gc_nombre, gn_posicion,
* gc_text1, gc_text2, gc_text3.


CALL FUNCTION 'Z_WF_RH_EVENTO_FECHAS'
EXPORTING
fecha_plazo = gd_fvenc
fecha_vigencia = gd_fvigen
tipo_recordatorio = gc_cfecha
numero_personal = gn_nempl
nombre_personal = gc_nombre
posicion_responsable = gn_posicion
texto1 = gc_text1
texto2 = gc_text2
texto3 = gc_text3.
*
ENDFORM. " WORK1

*&---------------------------------------------------------------------*
*& Form CLASE_FECHA
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM clase_fecha.
SELECT tmtxt INTO gc_cfecha
FROM t531s
WHERE tmart = zwork-tmart.
ENDSELECT.

ENDFORM. " CLASE_FECHA

*&---------------------------------------------------------------------*
*& Form TEXTOS
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM TEXTOS.

MOVE '0019' TO tx-key-infty.
MOVE-CORRESPONDING zwork TO tx-key.

IMPORT text-version ptext
FROM DATABASE pcl1(tx)
ID tx-key. "USING PCL1_EXP_IMP(SAPFP50P).

IF zwork-itxex = 'X'.
LOOP AT ptext.
IF sy-tabix = 1.
gc_text1 = ptext-line.
ENDIF.
IF sy-tabix = 2.
gc_text2 = ptext-line.
ENDIF.
IF sy-tabix = 3.
gc_text3 = ptext-line.
ENDIF.
ENDLOOP.
ELSE.
CLEAR: gc_text1, gc_text2, gc_text3.
ENDIF.

ENDFORM. " PRUEBA

*&---------------------------------------------------------------------*
*& Form FECHA_VIGENCIA
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM FECHA_VIGENCIA.

select * into corresponding fields of WA_STR001
from pa0001
where pernr = zwork-pernr.
append wa_str001 to it_str001.
endselect.

SORT IT_STR001 BY endda DESCENDING.
gd_fvigen = WA_STR001-endda.
ENDFORM. " FECHA_VIGENCIA

[juanh]

como leer los textos del infotipo 19 seguimientos de tareas

en donde dice

notas:

los campos son :
RP50M-TEXT1
RP50M-TEXT2
RP50M-TEXT3


Cual es el codigo que tiene la funcion :

CALL FUNCTION 'Z_WF_RH_EVENTO_FECHAS'