IBM Branch Transformation Toolkit 5.1 Migration and Usage Guidelines

434 IBM Branch Transformation Toolkit 5.1 Migration and Usage Guidelines

8.4.2 Creating the client operation

The client operation is responsible for performing cross validation of the data

received from the operation view, accessing local devices and sending the

operation to the server. In our sample, the client withdrawal operation does not

perform any extra processes in the client. It merely sends operation data to the

server. The Java view, described in 8.4.3, “Creating Java client using

VisualBeans” on page 442, launches this client operation.

To create client operation, perform the following tasks:

1. Open the Java perspective.

2. Highlight the BTTBankApplicationClient project in the appClientModule

folder.

3. Select File → Import → zip file.

4. Import the BTTBankAppClient.zip file located in c:\7160code\chap8.

If the file import is successful, the BTTBankApplicationClient project

hierarchy looks similar to Figure 8-169.

Figure 8-169 BTTBankApplicationClient After importing BTTBankAppClient.zip

Running H/F 1 435

5. Right-click the BTTBankApplicationClient project and click Properties.

a. Select the Java Build Path list item in the Libraries tab.

b. Click Add External Jars, as shown in Figure 8-170.

Figure 8-170 Import external jars

436 IBM Branch Transformation Toolkit 5.1 Migration and Usage Guidelines

c. Add the dseb.jar, dsecss.jar, and dsecsm.jar files from

c:\7160code\chap8\BTT51Jars, as shown in Figure 8-171.

Figure 8-171 Import external jars

6. Click the Create a Java Package wizard in the toolbar, as shown in

Figure 8-172.

Figure 8-172 Create a new Java package named btt.bank.clientopertion

Running H/F 1 437

7. Name the package btt.bank.client.appl and click Finish as shown in

Figure 8-173.

Figure 8-173 New package wizard

438 IBM Branch Transformation Toolkit 5.1 Migration and Usage Guidelines

8. Create a new class named WithdrawalClientOperation extending

com.ibm.dse.base.DSEClientOperation, as shown in Figure 8-174.

Figure 8-174 Create WithdrawalClientOperation

9. In the class definition, import the contents of com.ibm.dse.base.*,

com.ibm.dse.clientserver, and com.ibm.dse.cs.servlet packages. These

packages contain the base Branch Transformation Toolkit classes and the

client/server support.

10.The WithdrawalClientOperation requires an execute() method. Perform the

following tasks:

a. Open WithdrawalClientOperation to its type hierarchy.

b. In the Hierarchy view, click Show All Inherited Members, as shown in

Figure 8-175 on page 439.