NetWeaver Gateway- Service Builder

How To Build OData Services from any
Business Suite Data – Fast!
Jeff Gebo, Chris Whealy
September 2012

SAP NetWeaver Gateway Service Builder (SEGW)
One-Stop-Shop for all GW OData Service Developers

Ÿ  Developer productivity (low TCD) for
Little or no ABAP skills

ABAP Developer, Technical Consultant
and Business Process Expert
Ÿ  The SAP NetWeaver Gateway Service
Builder is a one stop shop tool that
Technical covers the entire development lifecycle
Consultant of a Gateway Service
/ BPX
Ÿ  Generation of model definition
Ÿ  Generation of service implementation
from existing business functionality
Ÿ  Integration and projection for important
data sources like GenIL, SPI and BW
Ÿ  EDMX-Model import
Strong ABAP skills

Ÿ  Extensibility/Reuse of Gateway
Services

Professional
ABAP
Developer

©  2012 SAP AG. All rights reserved. 2

SAP NetWeaver Gateway
Service Builder

Gateway’s Design-Time Environment
Build and manage services from one location
OData modelling environment
Ÿ  Define entity types, entity sets, associations etc.
Project-based Service Development
Ÿ  Consolidates all service design and runtime
objects
For both experienced and less-experienced
developers
Ÿ  Take advantage of existing data sources and
automatic content generation or…
Ÿ  Define a new service completely from scratch


Gateway Service Builder – Development Flow in Detail

OData
Service

Defini.on
in

SEGW

Data Model
Declara.ve
Import
Import
DDIC/

Definition
(MPC)
Data
Model
Defini.on

Model
Data
Model
RFC/BOR

Redefine

Defini.on*
(EDMX)
Interface*

Data
Source

Service
Include

(GenIL,
BOL,
enera.on

Service
G Gateway

SPI,
BW
Service*

Service Easy
Query,

Implementation Service
Implementa.on

FC/BOR

Code-‐Based
Implementa.on*
Map
R MDX)

Code-‐Based
Extensions*
mapping)

Opera.on*

(DPC) (Code
based
or

Service * Repeatable
Maintenance within
Service
Registra.on
one service
and
Hub
Ac.va.on


Gateway Service Builder – Development Flow in Detail

OData
Service

Defini.on
in

SEGW

Data Model
Declara.ve
Import
Import
DDIC/

Definition Model
Data
Model
RFC/BOR

(MPC) Redefine

Defini.on*
(EDMX)
Interface*

Data
Source

Service
Include

(GenIL,
BOL,
Gateway

SPI,
BW
Service*

Service Easy
Query,

Code-‐Based
Implementa.on*
Map
RFC/BOR
MDX)

Implementation
(DPC) Code-‐Based
Extensions*
Opera.on*

Service * Repeatable
Maintenance within
Service
Registra.on
one service
and
Hub
Ac.va.on


Service Builder
File Import

Import a Data Model
Jumpstart service modelling
Ÿ  EDMX Modelling Tool
(e.g. OData Visualizer in MS Visual Studio)
Ÿ  Modify properties as needed
Ÿ  Generate model provider class and
stubs for data provider class


Service Builder
Import Existing BOR/RFC Data Structure for Use in an OData Service

Import a Data Source
Re-use Existing BOR/RFC Interfaces
Ÿ  Wizard walks you through it
Ÿ  Modify properties as needed


Service Builder
Generate an OData Service from an Existing BOR/RFC Object

Implementation Without Code
Map to Data Source
Ÿ  Add constants
Ÿ  Modify properties
Ÿ  Drag-and-drop


Service Builder
Associations

Relationships Between Entity Types
Use Service Builder to maintain associations
Enable navigation from one entity to another based
on association
Automatic generation of associations in model
provide class (MPC) and metadata


Service Builder – Runtime Artefacts

NetWeaver System containing IW_BEP

Registered Service Registered Model
Name Name

Data Provider Model Provider
Base Class Base Class
External Service
Name Data Provider Model Provider
Class Class

Gateway Service


Demo


Use Case 1: RFC/BOR Generator

Import from data source:
1.  Create an entity “Account” from BOR Object

Account
BP ID*
BP Role
Email
Phone
…

2.  Service Implementation for Account


Use Case 2: Composition

Import from data source: Existing SalesOrder Service:
1.  Create an entity “Account” from BOR Object
SalesOrderHeader
0..N
SO ID *
Account Buyer ID
BP ID* …
1
BP Role
Email 1

Phone
…
SalesOrderItem
SO ID*
Item Position*
2.  Service Implementation for Account 1..N Product ID

3.  Composition with existing “Sales Order” service …


Use Case 3: Redefine a Service

1. Create an OData Service from SPI PLM_MAT

2. Redefine interface/metadata
•  Select only relevant nodes
•  Change labels
•  Change External Names

3. Overwrite/ Generate new service for adjusted interface


Thank you

What’s new in Gateway SP5?
http://help.sap.com/saphelp_gateway20sp05/helpdata/en/10/2b9c8a863a451ebe6bd4358d9d6adb/
frameset.htm

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