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ABAP RESTful Application Programming Model

The Comprehensive Guide
BuchGebunden
508 Seiten
Englisch
Rheinwerk Verlagerschienen am30.11.2022
Learn to develop applications optimized for SAP S/4HANA, whether your system is on-premise or in the cloud. Follow step-by-step instructions to build new ABAP applications, update legacy applications, and reuse existing source code. Make the new model work for you!mehr

Produkt

KlappentextLearn to develop applications optimized for SAP S/4HANA, whether your system is on-premise or in the cloud. Follow step-by-step instructions to build new ABAP applications, update legacy applications, and reuse existing source code. Make the new model work for you!
Details
ISBN/GTIN978-1-4932-2379-4
ProduktartBuch
EinbandartGebunden
Erscheinungsjahr2022
Erscheinungsdatum30.11.2022
ReiheSAP PRESS Englisch
Seiten508 Seiten
SpracheEnglisch
Gewicht1220 g
Artikel-Nr.50949344

Inhalt/Kritik

Inhaltsverzeichnis
... Foreword ... 15

... Preface ... 17

... Acknowledgements ... 19

... Basic Concepts and Technical Components ... 21

1 ... Introduction ... 23

1.1 ... What is the ABAP RESTful Application Programming Model? ... 24

1.2 ... Architecture and Concepts ... 42

1.3 ... Development Objects ... 48

1.4 ... ABAP Development Tools ... 53

1.5 ... Quality Attributes of the ABAP RESTful Application Programming Model ... 54

1.6 ... Availability of the ABAP RESTful Application Programming Model ... 58

2 ... Core Data Services: Data Modeling ... 61

2.1 ... What are Core Data Services? ... 62

2.2 ... Structure and Syntax of Core Data Services ... 65

2.3 ... Associations ... 79

2.4 ... Annotations ... 83

2.5 ... Access Controls ... 89

2.6 ... Extensibility of CDS Entities ... 94

2.7 ... Additional CDS Functionality ... 101

2.8 ... Virtual Data Model ... 109

2.9 ... CDS Language Elements for Modeling Business Objects ... 113

3 ... Behavior Definition ... 117

3.1 ... What is a Behavior Definition? ... 117

3.2 ... Editing a Behavior Definition in ABAP Development Tools ... 129

3.3 ... Implementation Types ... 136

3.4 ... Strict Mode ... 141

3.5 ... Entity Behavior Definition ... 142

3.6 ... Defining a Behavior Pool ... 143

3.7 ... Numbering ... 146

3.8 ... Field Properties ... 150

3.9 ... Field Mappings ... 153

3.10 ... Standard Operations for a CDS Entity ... 155

3.11 ... Specific Operations for a CDS Entity ... 159

3.12 ... Concurrency and Locking Behavior ... 168

3.13 ... Internal Business Logic ... 173

3.14 ... Authorization Checks ... 184

3.15 ... Draft Handling ... 189

3.16 ... Overarching Concepts ... 196

4 ... Entity Manipulation Language: Accessing Business Logic ... 205

4.1 ... Data Types ... 206

4.2 ... EML Operations ... 210

4.3 ... Using EML Outside of Behavioral Implementations ... 220

5 ... Behavior Implementation ... 225

5.1 ... Business Object Provider API ... 225

5.2 ... Runtime Behavior of the ABAP RESTful Application Programming Model ... 226

5.3 ... Interfaces for the Interaction Handler and the Save Handler ... 229

5.4 ... Interaction Handler ... 230

5.5 ... Save Handler ... 253

6 ... Business Services ... 263

6.1 ... Projection Layer ... 264

6.2 ... Service Definition ... 267

6.3 ... Service Binding ... 268

6.4 ... Testing Business Services in the SAP Gateway Client ... 272

6.5 ... Testing UI Services with SAP Fiori Elements Preview ... 275

7 ... User Interfaces and SAP Fiori Elements ... 277

7.1 ... Development Tools ... 277

7.2 ... SAP Fiori Elements ... 281

... Practical Application Development ... 313

8 ... Use Cases ... 315

8.1 ... Applications Types ... 315

8.2 ... Implementation Types ... 316

8.3 ... Selecting the Appropriate Implementation Type ... 318

9 ... Managed Scenario: Developing an Application with SAP Fiori Elements ... 321

9.1 ... Description of the Use Case ... 321

9.2 ... Building the Data Model ... 322

9.3 ... Creating Behavior Definitions ... 334

9.4 ... Defining a Business Service ... 340

9.5 ... Creating an SAP Fiori Elements User Interface ... 344

9.6 ... Enrichment with a Determination ... 352

9.7 ... Enrichment with a Validation ... 356

9.8 ... Enrichment with an Action ... 360

9.9 ... Generation and Deployment of the Application ... 362

10 ... Managed Scenario with Unmanaged Save: Integrating an Existing Application ... 371

10.1 ... Description of the Use Case ... 371

10.2 ... Building the Data Model ... 375

10.3 ... Creating a Behavior Definition ... 385

10.4 ... Implementing the Create Purchase Order Function ... 387

10.5 ... Implementing the Delete Purchase Order Function ... 409

10.6 ... Defining Business Services ... 416

10.7 ... Implementing Authorization Checks ... 419

10.8 ... Creating an SAP Fiori Elements User Interface ... 424

11 ... Unmanaged Scenario: Reusing Existing Source Code ... 429

11.1 ... Description of the Use Case ... 430

11.2 ... Description of the Existing Application ... 431

11.3 ... Extending the Data Model ... 437

11.4 ... Creating a Behavior Definition ... 443

11.5 ... Creating a Behavior Implementation ... 447

11.6 ... Defining a Business Service ... 462

12 ... Specific Features for the SAP BTP, ABAP Environment ... 465

12.1 ... Technical Fundamentals ... 466

12.2 ... Identity and Access Management ... 473

12.3 ... Deploying SAP Fiori Apps and Assigning Authorizations ... 476

12.4 ... Consuming Business Services ... 484

13 ... Outlook ... 491

13.1 ... Build ... 492

13.2 ... Extensibility ... 492

13.3 ... Integration and Reusability ... 494

... Bibliography ... 497

A.1 ... Books ... 497

A.2 ... Online Resources ... 497

... Authors ... 499

... Index ... 501

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