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08_EML_ABAP_for_RAP.md
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# ABAP for RAP: Entity Manipulation Language (ABAP EML)
- [ABAP for RAP: Entity Manipulation Language (ABAP EML)](#abap-for-rap-entity-manipulation-language-abap-eml)
- [RAP Buzzwords](#rap-buzzwords)
- [RAP Terms](#rap-terms)
- [ABAP Behavior Pools (ABP)](#abap-behavior-pools-abp)
- [RAP Handler Classes and Methods](#rap-handler-classes-and-methods)
- [RAP Saver Class and Saver Methods](#rap-saver-class-and-saver-methods)
@@ -22,10 +22,10 @@
- [More Information](#more-information)
- [Executable Examples](#executable-examples)
## RAP Buzzwords
## RAP Terms
[ABAP Entity Manipulation Language](https://help.sap.com/doc/abapdocu_latest_index_htm/latest/en-US/index.htm?file=abenaeml_glosry.htm) (or EML for short) is a subset of ABAP that allows you to access the data of [RAP](https://help.sap.com/doc/abapdocu_latest_index_htm/latest/en-US/index.htm?file=abenarap_glosry.htm) business objects in an ABAP program.
The following points touch on RAP-related buzzwords such as *RAP business objects* and others for setting the context:
The following points touch on RAP-related terms such as *RAP business objects* and others for setting the context:
- RAP business objects (RAP BO)
- A RAP BO is based on a special, tree-like hierarchical structure
@@ -193,7 +193,7 @@ that handles requests from outside the AS ABAP or, from inside AS ABAP,
an ABAP program using ABAP EML (which this cheat sheet and the examples
focus on).
<p align="right">(<a href="#top">back to top</a>)</p>
<p align="right">(<a href="#top">⬆️ back to top</a>)</p>
## ABAP Behavior Pools (ABP)
@@ -234,7 +234,7 @@ sequence](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?f
methods](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abenabp_saver_method_glosry.htm "Glossary Entry")
to save data from the transactional buffer to the database).
<p align="right">(<a href="#top">back to top</a>)</p>
<p align="right">(<a href="#top">⬆️ back to top</a>)</p>
### RAP Handler Classes and Methods
@@ -342,7 +342,7 @@ METHODS some_action FOR MODIFY
UI if something goes wrong to inform the user.
<p align="right">(<a href="#top">back to top</a>)</p>
<p align="right">(<a href="#top">⬆️ back to top</a>)</p>
### RAP Saver Class and Saver Methods
@@ -403,7 +403,7 @@ CLASS lsc_bdef DEFINITION INHERITING FROM cl_abap_behavior_saver.
ENDCLASS.
```
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<p align="right">(<a href="#top">⬆️ back to top</a>)</p>
## BDEF Derived Types
@@ -508,7 +508,7 @@ DATA rep TYPE RESPONSE FOR REPORTED entity.
> **💡 Note**<br>
> Some of the derived types can only be created and accessed in implementation classes.
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<p align="right">(<a href="#top">⬆️ back to top</a>)</p>
### Components of BDEF Derived Types
@@ -606,7 +606,7 @@ Bullet points on selected `%` components:
`if_abap_behv=>mk-off`, the values of these fields
are not returned in the result.
<p align="right">(<a href="#top">back to top</a>)</p>
<p align="right">(<a href="#top">⬆️ back to top</a>)</p>
## EML Syntax
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...
```
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<p align="right">(<a href="#top">⬆️ back to top</a>)</p>
### EML Syntax for Reading Operations
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LINK DATA(links2).
...
```
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<p align="right">(<a href="#top">⬆️ back to top</a>)</p>
#### Dynamic Forms of EML Statements
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READ ENTITIES OPERATIONS op_tab.
```
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<p align="right">(<a href="#top">⬆️ back to top</a>)</p>
### Persisting to the Database
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ENDIF.
```
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<p align="right">(<a href="#top">⬆️ back to top</a>)</p>
### EML Statements in ABAP Behavior Pools
@@ -1058,7 +1058,7 @@ MODIFY ENTITIES OF root_ent IN LOCAL MODE
...
```
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<p align="right">(<a href="#top">⬆️ back to top</a>)</p>
## RAP Excursions
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</details>
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## More Information
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consistency and reliability
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<p align="right">(<a href="#top">⬆️ back to top</a>)</p>
## Executable Examples
This cheat sheet is supported by different executable examples demonstrating various scenarios: