En este tutorial, dondequiera que se vea XXX, use un número (por ejemplo, 000).
Paso 1: mejorar la definición de comportamiento
Cambie a su definición de comportamiento
ZI_TRAVEL_M_XXX
y sustituya lo siguiente por su código:managed implementation in class ZCL_BP_I_TRAVEL_M_XXX unique; define behavior for ZI_TRAVEL_M_XXX alias Travel persistent table ztravel_xxx etag master last_changed_at lock master { // key that will be automatically generated by the framework field ( readonly, numbering : managed ) mykey; // semantic key calculated in a determination field ( readonly ) travel_id; // administrative fields (read only) field ( readonly ) last_changed_at, last_changed_by, created_at, created_by; // mandatory fields that are required to create a travel field ( mandatory ) agency_id, overall_status, booking_fee, currency_code; // mandatory fields that are required to create a travel field ( mandatory ) Begin_Date, End_Date, Customer_ID; // standard operations for travel entity create; update; delete; // instance action and dynamic action control action ( features : instance ) acceptTravel result [1] $self; // validations validation validateCustomer on save { field customer_id; } validation validateDates on save { field begin_date, end_date; } validation validateAgency on save { field agency_id; } // determination determination CalculateTravelKey on modify { create; } }
Guardar y activar.
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Paso 2: mejorar la definición de comportamiento para ver la proyección
Cambie a su definición de comportamiento
ZC_TRAVEL_M_XXX
y sustituya lo siguiente por su código:projection; define behavior for ZC_TRAVEL_M_XXX alias TravelProcessor use etag { use create; use update; use delete; use action acceptTravel; }
Guardar y activar.
El es validación le permite comprobar la coherencia de los detalles de su solicitud de reserva de viajes.
Mediante el uso comportamiento puede cambiar el estado de su reserva.
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Paso 3: crear una clase de implementación
En tu definición de comportamiento
ZI_Travel_M_XXX
coloque el cursor delante de la clase de funciónZCL_BP_I_TRAVEL_M_XXX
y haga clic enCTRL
+ 1. Haga doble clic en Crea una clase de implementación de comportamientozcl_bp_i_travel_m_xxx
para crear su clase de implementación.Cree una nueva implementación de comportamiento:
Hacer clic Siguiente>.
Hacer clic Finalizar para utilizar su solicitud de transporte.
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Paso 4: mejorar la implementación del comportamiento
Abra su implementación conductual
ZCL_BP_I_TRAVEL_M_XXX
y cambia a clase mundial para reemplazar su código.hago clase mundial reemplace su código con lo siguiente:
CLASS zcl_bp_i_travel_m_xxx DEFINITION PUBLIC ABSTRACT FINAL FOR BEHAVIOR OF ZI_Travel_M_XXX. ENDCLASS. CLASS zcl_bp_i_travel_m_xxx IMPLEMENTATION. ENDCLASS.
Abra su implementación conductual
ZCL_BP_I_TRAVEL_M_XXX
y cambia a variedades locales para reemplazar su código.hago variedades locales reemplace su código con lo siguiente:
*"* use this source file for the definition and implementation of *"* local helper classes, interface definitions and type *"* declarations CLASS lhc_travel DEFINITION INHERITING FROM cl_abap_behavior_handler. PRIVATE SECTION. TYPES tt_travel_update TYPE TABLE FOR UPDATE zi_travel_m_xxx. METHODS validate_customer FOR VALIDATE ON SAVE IMPORTING keys FOR travel~validateCustomer. METHODS validate_dates FOR VALIDATE ON SAVE IMPORTING keys FOR travel~validateDates. METHODS validate_agency FOR VALIDATE ON SAVE IMPORTING keys FOR travel~validateAgency. METHODS set_status_completed FOR MODIFY IMPORTING keys FOR ACTION travel~acceptTravel RESULT result. METHODS get_features FOR FEATURES IMPORTING keys REQUEST requested_features FOR travel RESULT result. METHODS CalculateTravelKey FOR DETERMINE ON MODIFY IMPORTING keys FOR Travel~CalculateTravelKey. ENDCLASS. CLASS lhc_travel IMPLEMENTATION. ********************************************************************** * * Validate customer data when saving travel data * ********************************************************************** METHOD validate_customer. READ ENTITY zi_travel_m_xxxtravel FROM VALUE #( FOR <root_key> IN keys ( %key-mykey = <root_key>-mykey %control = VALUE #( customer_id = if_abap_behv=>mk-on ) ) ) RESULT DATA(lt_travel). DATA lt_customer TYPE SORTED TABLE OF /dmo/customer WITH UNIQUE KEY customer_id. " Optimization of DB select: extract distinct non-initial customer IDs lt_customer = CORRESPONDING #( lt_travel DISCARDING DUPLICATES MAPPING customer_id = customer_id EXCEPT * ). DELETE lt_customer WHERE customer_id IS INITIAL. CHECK lt_customer IS NOT INITIAL. " Check if customer ID exist SELECT FROM /dmo/customer FIELDS customer_id FOR ALL ENTRIES IN @lt_customer WHERE customer_id = @lt_customer-customer_id INTO TABLE @DATA(lt_customer_db). " Raise msg for non existing customer id LOOP AT lt_travel INTO DATA(ls_travel). IF ls_travel-customer_id IS NOT INITIAL AND NOT line_exists( lt_customer_db[ customer_id = ls_travel-customer_id ] ). APPEND VALUE #( mykey = ls_travel-mykey ) TO failed-travel. APPEND VALUE #( mykey = ls_travel-mykey %msg = new_message( id = /dmo/cx_flight_legacy=>customer_unkown-msgid number = /dmo/cx_flight_legacy=>customer_unkown-msgno v1 = ls_travel-customer_id severity = if_abap_behv_message=>severity-error ) %element-customer_id = if_abap_behv=>mk-on ) TO reported-travel. ENDIF. ENDLOOP. ENDMETHOD. ********************************************************************** * * Check validity of date * ********************************************************************** METHOD validate_dates. READ ENTITY zi_travel_m_xxxtravel FROM VALUE #( FOR <root_key> IN keys ( %key-mykey = <root_key>-mykey %control = VALUE #( begin_date = if_abap_behv=>mk-on end_date = if_abap_behv=>mk-on ) ) ) RESULT DATA(lt_travel_result). LOOP AT lt_travel_result INTO DATA(ls_travel_result). IF ls_travel_result-end_date < ls_travel_result-begin_date. "end_date before begin_date APPEND VALUE #( %key = ls_travel_result-%key mykey = ls_travel_result-mykey ) TO failed-travel. APPEND VALUE #( %key = ls_travel_result-%key %msg = new_message( id = /dmo/cx_flight_legacy=>end_date_before_begin_date-msgid number = /dmo/cx_flight_legacy=>end_date_before_begin_date-msgno v1 = ls_travel_result-begin_date v2 = ls_travel_result-end_date v3 = ls_travel_result-travel_id severity = if_abap_behv_message=>severity-error ) %element-begin_date = if_abap_behv=>mk-on %element-end_date = if_abap_behv=>mk-on ) TO reported-travel. ELSEIF ls_travel_result-begin_date < cl_abap_context_info=>get_system_date( ). "begin_date must be in the future APPEND VALUE #( %key = ls_travel_result-%key mykey = ls_travel_result-mykey ) TO failed-travel. APPEND VALUE #( %key = ls_travel_result-%key %msg = new_message( id = /dmo/cx_flight_legacy=>begin_date_before_system_date-msgid number = /dmo/cx_flight_legacy=>begin_date_before_system_date-msgno severity = if_abap_behv_message=>severity-error ) %element-begin_date = if_abap_behv=>mk-on %element-end_date = if_abap_behv=>mk-on ) TO reported-travel. ENDIF. ENDLOOP. ENDMETHOD. ******************************************************************************** * * Implements travel action (in our case: for setting travel overall_status to completed) * ******************************************************************************** METHOD set_status_completed. " Modify in local mode: BO-related updates that are not relevant for authorization checks MODIFY ENTITIES OF zi_travel_m_xxx IN LOCAL MODE ENTITY travel UPDATE FROM VALUE #( FOR key IN keys ( mykey = key-mykey overall_status = 'A' " Accepted %control-overall_status = if_abap_behv=>mk-on ) ) FAILED failed REPORTED reported. " Read changed data for action result READ ENTITIES OF zi_travel_m_xxx IN LOCAL MODE ENTITY travel FROM VALUE #( FOR key IN keys ( mykey = key-mykey %control = VALUE #( agency_id = if_abap_behv=>mk-on customer_id = if_abap_behv=>mk-on begin_date = if_abap_behv=>mk-on end_date = if_abap_behv=>mk-on booking_fee = if_abap_behv=>mk-on total_price = if_abap_behv=>mk-on currency_code = if_abap_behv=>mk-on overall_status = if_abap_behv=>mk-on description = if_abap_behv=>mk-on created_by = if_abap_behv=>mk-on created_at = if_abap_behv=>mk-on last_changed_by = if_abap_behv=>mk-on last_changed_at = if_abap_behv=>mk-on ) ) ) RESULT DATA(lt_travel). result = VALUE #( FOR travel IN lt_travel ( mykey = travel-mykey %param = travel ) ). ENDMETHOD. ******************************************************************************** * * Implements the dynamic feature handling for travel instances * ******************************************************************************** METHOD get_features. "%control-<fieldname> specifies which fields are read from the entities READ ENTITY zi_travel_m_xxx FROM VALUE #( FOR keyval IN keys ( %key = keyval-%key " %control-travel_id = if_abap_behv=>mk-on %control-overall_status = if_abap_behv=>mk-on ) ) RESULT DATA(lt_travel_result). result = VALUE #( FOR ls_travel IN lt_travel_result ( %key = ls_travel-%key %features-%action-acceptTravel = COND #( WHEN ls_travel-overall_status = 'A' THEN if_abap_behv=>fc-o-disabled ELSE if_abap_behv=>fc-o-enabled ) ) ). ENDMETHOD. METHOD calculatetravelkey. READ ENTITIES OF zi_travel_m_xxx IN LOCAL MODE ENTITY Travel FIELDS ( travel_id ) WITH CORRESPONDING #( keys ) RESULT DATA(lt_travel). DELETE lt_travel WHERE travel_id IS NOT INITIAL. CHECK lt_travel IS NOT INITIAL. "Get max travelID SELECT SINGLE FROM ztravel_xxx FIELDS MAX( travel_id ) INTO @DATA(lv_max_travelid). "update involved instances MODIFY ENTITIES OF zi_travel_m_xxx IN LOCAL MODE ENTITY Travel UPDATE FIELDS ( travel_id ) WITH VALUE #( FOR ls_travel IN lt_travel INDEX INTO i ( %key = ls_travel-%key travel_id = lv_max_travelid + i ) ) REPORTED DATA(lt_reported). ENDMETHOD. METHOD validate_agency. READ ENTITY zi_travel_m_xxxtravel FROM VALUE #( FOR <root_key> IN keys ( %key-mykey = <root_key>-mykey %control = VALUE #( agency_id = if_abap_behv=>mk-on ) ) ) RESULT DATA(lt_travel). DATA lt_agency TYPE SORTED TABLE OF /dmo/agency WITH UNIQUE KEY agency_id. " Optimization of DB select: extract distinct non-initial customer IDs lt_agency = CORRESPONDING #( lt_travel DISCARDING DUPLICATES MAPPING agency_id = agency_id EXCEPT * ). DELETE lt_agency WHERE agency_id IS INITIAL. CHECK lt_agency IS NOT INITIAL. " Check if customer ID exist SELECT FROM /dmo/agency FIELDS agency_id FOR ALL ENTRIES IN @lt_agency WHERE agency_id = @lt_agency-agency_id INTO TABLE @DATA(lt_agency_db). " Raise msg for non existing customer id LOOP AT lt_travel INTO DATA(ls_travel). IF ls_travel-agency_id IS NOT INITIAL AND NOT line_exists( lt_agency_db[ agency_id = ls_travel-agency_id ] ). APPEND VALUE #( mykey = ls_travel-mykey ) TO failed-travel. APPEND VALUE #( mykey = ls_travel-mykey %msg = new_message( id = /dmo/cx_flight_legacy=>agency_unkown-msgid number = /dmo/cx_flight_legacy=>agency_unkown-msgno v1 = ls_travel-agency_id severity = if_abap_behv_message=>severity-error ) %element-agency_id = if_abap_behv=>mk-on ) TO reported-travel. ENDIF. ENDLOOP. ENDMETHOD. ENDCLASS.
Guardar y activar.
Ahora cambie a su conexión de servicio y haga doble clic en
TravelProcessor
.Comprueba tu resultado.
La aplicación de transporte se crea para la reserva de viajes. Usando el enfoque administrado, la creación, actualización y eliminación se implementan automáticamente.
El botón de aceptación de viaje está visible.
Cree una nueva reserva de viaje con estado de reserva O.
O significa apertura. Guarde su reserva de viaje y podrá aceptar su reserva de viaje comprobada.Sugerencia: si no aparece el botón de viaje, espere unos minutos o desconecte su servicio de enlace y actívelo nuevamente.
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