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danrega
2024-12-18 16:43:40 +01:00
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08_EML_ABAP_for_RAP.md
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@@ -32,7 +32,7 @@
- [COMMIT ENTITIES: Persisting to the Database](#commit-entities-persisting-to-the-database)
- [GET PERMISSIONS: Retrieving Information about RAP BO Permissions](#get-permissions-retrieving-information-about-rap-bo-permissions)
- [Raising RAP Business Events](#raising-rap-business-events)
- [Additions to ABAP EML Statements in ABAP Behavior Pools](#additions-to-abap-eml-statements-in-abap-behavior-pools)
- [IN LOCAL MODE Addition to ABAP EML Statements in ABAP Behavior Pools](#in-local-mode-addition-to-abap-eml-statements-in-abap-behavior-pools)
- [RAP Excursions](#rap-excursions)
- [Using Keys and Identifying RAP BO Instances in a Nutshell](#using-keys-and-identifying-rap-bo-instances-in-a-nutshell)
- [RAP Concepts](#rap-concepts)
@@ -572,8 +572,8 @@ METHODS some_action FOR MODIFY
that have special RAP-related components as covered further down.
- The parameters' names can be chosen freely. This is also true for
the method names except for some predefined names.
- Each handler method must have at least one importing parameter. The
addition `IMPORTING` is optional since it is used
- Each handler method must have at least one importing parameter.
Specifying the addition `IMPORTING` explicitly is optional since it is used
implicitly. In most cases, entire instances or just key values
of instances are imported.
- All handler methods have changing parameters that are usually not
@@ -972,6 +972,24 @@ Bullet points on selected `%` components:
`if_abap_behv=>mk-off`, the values of these fields
are not returned in the result.
The following code snippet illustrates the importance of careful component access and value assignment with component groups in BDEF derived types:
- It uses the key component of a demo RAP BO and an internal table of type `FOR CREATE` as an example.
- The type includes the component groups `%data` and `%key`.
- `%data` contains `%key` as a component.
- Component access may be done in various ways.
- Especially in value assignments, make sure that there is only one assignment per component.
```abap
DATA itab TYPE TABLE FOR CREATE zdemo_abap_rap_ro_m.
APPEND INITIAL LINE TO itab.
DATA(a) = itab[ 1 ]-key_field.
DATA(b) = itab[ 1 ]-%key-key_field.
DATA(c) = itab[ 1 ]-%data-key_field.
DATA(d) = itab[ 1 ]-%data-%key-key_field.
```
<p align="right"><a href="#top">⬆️ back to top</a></p>
### Constants for BDEF Derived Type Components
@@ -986,6 +1004,7 @@ Several BDEF derived types contain `%` components, which have a specific type an
| `ABP_BEHV_FIELD_CTRL` | `IF_ABAP_BEHV=>FC-F` | For field feature control results, such as a field marked with no restrictions. |
| `ABP_BEHV_OP_CTRL` | `IF_ABAP_BEHV=>FC-O` | For operation feature control results, such as a disabled update operation. |
| `ABP_BEHV_AUTH` | `IF_ABAP_BEHV=>AUTH` | For authorization results, such as an unauthorized operation. |
| `IF_ABAP_BEHV=>T_CHAR01` | `IF_ABAP_BEHV=>MK` | For dynamic ABAP EML statements; e.g. `if_abap_behv=>op-m-create` for create and `if_abap_behv=>op-r-read` for read operations. |
<p align="right"><a href="#top">⬆️ back to top</a></p>
@@ -1421,7 +1440,7 @@ MODIFY ENTITIES OF root_ent
#### Dynamic Form of ABAP EML MODIFY Statements
- The code snippet demonstrate the dynamic form `MODIFY ENTITIES OPERATIONS ...`.
- The code snippet demonstrates the dynamic form `MODIFY ENTITIES OPERATIONS ...`.
- Using the statement, you can execute multiple modify operations for multiple RAP BOs in a single statement.
- Find more information [here](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/ABAPMODIFY_ENTITIES_OPERATIONS_DYN.html).
@@ -1979,7 +1998,6 @@ DO 2 TIMES.
...
ENDIF.
"Data is not saved
SELECT FROM zdemo_abap_rapt1
FIELDS key_field
ORDER BY key_field
@@ -2096,7 +2114,7 @@ ENDCLASS.
<p align="right"><a href="#top">⬆️ back to top</a></p>
### Additions to ABAP EML Statements in ABAP Behavior Pools
### IN LOCAL MODE Addition to ABAP EML Statements in ABAP Behavior Pools
- There are a [special additions when using EML in behavior
pools](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abeneml_in_abp.htm).