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Build Semantic Layer Views for SAP Netweaver Gateway Data in APOS Live Data Gateway



Use the CData Connector for SAP Netweaver Gateway in APOS Live Data Gateway to build Semantic Layer Views for SAP Netweaver Gateway data.

APOS Live Data Gateway (LDG) is a data connection and data transformation solution that enables live data connectivity and expanded data source options for SAP Analytics Cloud and other SAP solutions. When paired with CData Connectors, users can build semantic layer views for live SAP Netweaver Gateway data, enabling real-time analytics on SAP Netweaver Gateway just like working with a relational database.

With built-in optimized data processing, the CData Connector offers unmatched performance for interacting with live SAP Netweaver Gateway data. When you issue complex SQL queries to SAP Netweaver Gateway, the driver pushes supported SQL operations, like filters and aggregations, directly to SAP Netweaver Gateway and utilizes the embedded SQL engine to process unsupported operations client-side (often SQL functions and JOIN operations). Its built-in dynamic metadata querying allows you to work with and analyze SAP Netweaver Gateway data using native data types.

Download and Install the Connector Files

In order to access SAP Netweaver Gateway data through the APOS Live Data Gateway, you will need to download the connector files from APOS and install them on the machine hosting the Live Data Gateway. An APOS representative can deliver the necessary files.

  • Install the CData DLL file (System.Data.CData.SAPGateway.dll) to the APOS Live Data Gateway installation directory (C:\Program Files\Live Data Gateway\Admin\ by default).
  • Install the CData JAR file (cdata.jdbc.sapgateway.jar) to the ConnectionTest_lib folder in the installation directory (C:\Program Files\Live Data Gateway\Admin\ConnectionTest_lib\ by default).
  • Install the CData JAR file (cdata.jdbc.sapgateway.jar) to the lib folder in the Web UI installation directory (e.g.: C:\LDG_WebUI\lib\)

Configuring the SAP Netweaver Gateway Connection String

Before establishing the connection to SAP Netweaver Gateway from the APOS Live Data Gateway, you need to configure the SAP Netweaver Gateway JDBC Connection String.

Built-in Connection String Designer

For assistance in constructing the JDBC Connection String, use the connection string designer built into the SAP Netweaver Gateway JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.sapgateway.jar

Fill in the connection properties and copy the connection string to the clipboard.

SAP Gateway allows both basic and OAuth 2.0 authentication. You can use basic authentication to connect to your own account, or you can use OAuth to enable other users to retrieve data from your service with their accounts. In addition to authenticating, set the following connection properties to access SAP Gateway tables.

  • Url: Set this to the URL of your environment, or to the full URL of the service. For example, the full URL might appear as: https://sapes5.sapdevcenter.com/sap/opu/odata/IWBEP/GWSAMPLE_BASIC/. In this example, the environment URL would just be: https://sapes5.sapdevcenter.com.
  • Namespace: Set the appropriate Service Namespace. In the example above, IWBEP is the namespace. It is optional if the full URL to the service is specified.
  • Service: Set this to the service you want to retrieve data from. In the example above, the service is GWSAMPLE_BASIC. It is not required if the full URL is specified.

Authenticate via Basic Authentication

In basic authentication, you use your login credentials to connect. Set the following properties:

  • User: This is the username you use to log in to SAP Gateway.
  • Password: This is the password you use to log in to SAP Gateway.

Authenticate via OAuth Authentication

You can connect to SAP Gateway using the embedded OAuth connectivity (without setting any additional authentication connection properties). When you connect, the OAuth endpoint opens in your browser. Log in and grant permissions to complete the OAuth process. See the OAuth section in the online Help documentation for more information on other OAuth authentication flows.

Your connection string will look similar to the following:

jdbc:SAPGateway:User=user;Password=password;URL=https://sapes5.sapdevcenter.com/sap/opu/odata/IWBEP/GWSAMPLE_BASIC/;

Connecting to SAP Netweaver Gateway & Creating a Semantic Layer View

After installing the connector files and configuring the connection string, you are ready to connect to SAP Netweaver Gateway in the Live Data Gateway Admin tool and build a semantic layer view in the Live Data Gateway Web UI.

Configuring the Connection to SAP Netweaver Gateway

  1. Log into your APOS Live Data Gateway Manager
  2. If you haven't already, update your APOS LDG license file
    1. Click File -> Configurations
    2. Click on the "..." Menu for the License
    3. Select the license file from the APOS team that includes your CData Connector license
  3. In the APOS Live Data Gateway Manager, click "Add"
  4. In the APOS Live Data Gateway On the Connection tab, configure the connection:
    • Set Data Source to "Database"
    • Set Database to "CData Drivers"
    • Set Database CData Drivers to "SAP Netweaver Gateway"
    • Set Connection String to the connection string configured earlier (e.g.: jdbc:SAPGateway:User=user;Password=password;URL=https://sapes5.sapdevcenter.com/sap/opu/odata/IWBEP/GWSAMPLE_BASIC/;
    • Set Driver Class to "cdata.jdbc.sapgateway.SAPGatewayDriver" (this should be set by default)
  5. Click Test Connection
  6. Click Save
  7. Give your connection a unique prefix (e.g. "sapgateway")
  8. Highlight the newly created connection and click File -> "Approve Users For Web UI"
  9. Approve the appropriate DB users to create views and click "Save"

At this point, we are ready to build our semantic layer view in the Live Data Gateway Web UI.

Creating a Semantic Layer View

  1. In your browser, navigate to the APOS Live Data Gateway Portal
  2. Select a Connection (e.g. "sapgateway")
  3. Set User Name and Password to the User and Password properties for SAP Netweaver Gateway.
  4. Click "Login"
  5. Once connected, click "Semantic Layer" to create a new semantic layer view
  6. Click "New Semantic Layer View"
  7. Set the Semantic Layer View Prefix and Semantic Layer View Name
  8. Click "Step 2"
  9. Select the table(s) and column(s) you wish to include in your view
  10. Click "Step 3"
  11. Select the Measures from the available table columns
  12. Click "Step 5" (we skipped the "Extra Dimensions" step)
  13. Add any Variable Prompts
  14. Click "Step 6"
  15. Define any Table Joins
  16. Click "Review"
  17. Review you semantic layer view and click "Save"

With the Semantic Layer View created, you are ready to access your SAP Netweaver Gateway data through the APOS Live Data Gateway, enabling real-time data connectivity to SAP Netweaver Gateway data from SAP Analytics Cloud and other SAP solutions.

More Information & Free Evaluation

Please visit APOS Systems - APOS Solutions - Request Evaluation Software to request evaluation software or email [email protected] for more information on working with your live SAP Netweaver Gateway data in APOS Live Data Gateway.