Building SOA-based Solutions for IBM System i Platform

44 Building SOA-based Solutions for IBM System i Platform

7. After successful connection you should see an arrow next to iSeries connection as well as

the iSeries Objects and other subsystems .

5.2.4 Reviewing the RPG modules

Examine the RPG code to understand exported procedures:

1. Expand your System i connection.

2. Right-click iSeries Objects and select Properties.

3. In the Properties window, click Initial Library List.

4. Enter FLGHT400 in the Library field and click Add(B) as shown in Figure 5-8.

Figure 5-8 Add Library

Chapter 5. ProgramCall (RPG, Cobol) Web service 45

5. Add the FLGHT400M library in the same way. Your library list should look similar to that

shown in Figure 5-9.

Figure 5-9 Library list

6. Click OK. Now every time you reconnect to your System i platform, both libraries are listed

under iSeries Objects → Library list. You might need to disconnect and connect again to

see these libraries in the list.

46 Building SOA-based Solutions for IBM System i Platform

7. Expand iSeries Objects → Library list → FLGHT400M.*lib.prod-usr → QRPGLESRC

and double-click NFS001.rpgle, as shown in Figure 5-10.

Figure 5-10 Open RPG Source for ReserveFlight

8. The procedure that we are interested in is ReserveFlight. Click the refresh button in the

outline frame as shown in Figure 5-11.

Figure 5-11 Refresh RPG Code

Chapter 5. ProgramCall (RPG, Cobol) Web service 47

9. Select ReserveFlight from the outline view as displayed in Figure 5-12.

Figure 5-12 ReserveFlight Procedure

10.Review program code for the ReserveFlight procedure as shown in Figure 5-13.

Figure 5-13 RPG ReserveFlight