7. Verhalten festlegen

• Die Behavior Definition ZR_TRAVELTP erstellen
• Die Verhaltensimplementierung ZBP_TRAVELTP generieren lassen
• Die BO Projection View ZC_TravelTP um Angaben zum Provider Contract erweitern
• Die Behavior Projection ZC_TRAVELTP erstellen

Behavior Definition ZR_TRAVELTP

managed implementation in class zbp_traveltp unique;
strict ( 2 );

define behavior for ZR_TravelTP alias Travel
persistent table ztravel_a
lock master
authorization master ( instance )
//etag master <field_name>
{
  create;
  update;
  delete;

  association _Bookings { create; }

  field ( readonly, numbering : managed ) TravelUuid;

  mapping for ztravel_a corresponding
    {
      AgencyId = agency_id;
      BeginDate = begin_date;
      BookingFee = booking_fee;
      CreatedAt = created_at;
      CreatedBy = created_by;
      CurrencyCode = currency_code;
      CustomerId = customer_id;
      Description = description;
      EndDate = end_date;
      LastChangedAt = last_changed_at;
      LastChangedBy = last_changed_by;
      Status = status;
      TotalPrice = total_price;
      TravelId = travel_id;
      TravelUuid = travel_uuid;
    }
}

define behavior for ZR_BookingTP alias Booking
persistent table zbooking_a
lock dependent by _Travel
authorization dependent by _Travel
//etag master <field_name>
{
  update;
  delete;

  association _Travel;

  field ( readonly, numbering : managed ) BookingUuid;
  field ( readonly ) TravelUuid;

  mapping for zbooking_a corresponding
    {
      BookingDate = booking_Date;
      BookingId = booking_id;
      BookingUuid = booking_uuid;
      CarrierId = carrier_id;
      ConnectionId = connection_id;
      CurrencyCode = currency_code;
      FlightDate = flight_date;
      FlightPrice = flight_price;
      TravelUuid = Travel_uuid;
    }
}

Verhaltensimplementierung ZBP_TRAVELTP

Global Class ZBP_TRAVELTP

ZBP_TRAVELTP.abap

CLASS zbp_traveltp DEFINITION PUBLIC ABSTRACT FINAL FOR BEHAVIOR OF zr_traveltp.
  PROTECTED SECTION.

  PRIVATE SECTION.
ENDCLASS.

CLASS zbp_traveltp IMPLEMENTATION.
ENDCLASS.

Local Type LHC_TRAVEL

ZBP_TRAVELTP.abap

CLASS lhc_travel DEFINITION INHERITING FROM cl_abap_behavior_handler.
  PRIVATE SECTION.
    METHODS get_instance_authorizations FOR INSTANCE AUTHORIZATION
      IMPORTING keys REQUEST requested_authorizations FOR Travel RESULT result.
ENDCLASS.

CLASS lhc_travel IMPLEMENTATION.
  METHOD get_instance_authorizations.
  ENDMETHOD.
ENDCLASS.

BO Projection View ZC_TravelTP

@EndUserText.label: 'Travel'
@AccessControl.authorizationCheck: #NOT_REQUIRED
@Search.searchable: true
@Metadata.allowExtensions: true
define root view entity ZC_TravelTP
  provider contract transactional_query
  as projection on ZR_TravelTP
{
  key TravelUuid,
      TravelId,
      AgencyId,
      CustomerId,
      BeginDate,
      EndDate,
      BookingFee,
      TotalPrice,
      CurrencyCode,
      @Search.defaultSearchElement: true
      @Search.fuzzinessThreshold: 0.7
      Description,
      Status,

      /* Administrative Data */
      CreatedBy,
      CreatedAt,
      LastChangedBy,
      LastChangedAt,

      /* Associations */
      _Bookings : redirected to composition child ZC_BookingTP
}

Behavior Projection ZC_TRAVELTP

projection;
strict ( 2 );

define behavior for ZC_TravelTP alias Travel
{
  use create;
  use update;
  use delete;

  use association _Bookings { create; }
}

define behavior for ZC_BookingTP alias Booking
{
  use update;
  use delete;

  use association _Travel;
}