Patterns: Implementing Self-Service in an SOA Environment

Chapter 10. Web services scenario 351

Click OK.

Mediate the destination

To mediate the destination, perform the following steps:

1. Locate the bus definition by selecting Service integration → Buses. Click

the bus name (ITSOMartBus) to open it.

2. Under Additional Properties click Destinations.

3. In the list of destinations, check the box to the left the port name. In this case,

the Web service port is:

http://delivery.patterns.ibm.com:HomeDeliveryService:HomeDelivery.

Click the Mediate button.

4. In the next screen, select DeliveryRequestMediation as the mediation to

apply to the destination.

Click Next.

5. In the next screen, select the bus and click Next.

6. Click Finish.

Save your changes.

10.7.9 Configure the aggregator mediation

The following steps take you through the installation and configuration process

for the aggregator mediation created in 10.6.2, “Create the Aggregator

mediation” on page 328.

Create the queues

Two queue destinations on the bus are used to aggregate the responses from

multiple services.

1. From the bus details page for ITSOMartBus under Additional Properties

click Destinations.

2. Click New.

3. For the destination type, accept the default of Queue and click Next.

businessDestination String http://delivery.patterns.ibm

.com:BusinessDeliverySer

vice:BusinessDelivery

Name Data Type Value

352 Patterns: Implementing Self-Service in an SOA Environment

4. The first page of the wizard, asks for an identifier and description to be

entered. The identifier is the queue name. Enter

DeliveryResponseDestination and click Next.

5. The next page allows you to specify to which bus member to assign the

destination. There is only one bus member in our scenario so accept the

default and click Next.

6. The final page is just a summary, click Finish and the destination is created.

7. Repeat this process to create a queue destination called TempDestination.

Define the mediation

The following steps take you through the configuration process for the mediation

application.

1. Install the mediation application, AggregatorEJBEAR.ear.

2. Locate the bus definition by selecting Service integration → Buses. Click

the bus name (ITSOMartBus) to open it.

3. Under Additional Properties click Mediations.

4. Click New.

5. Enter the following values:

– Mediation name: DeliveryResponseMediation

– Handler list name: AggregatorHandler

The handler list name must match the handler list name defined in the EJB

deployment descriptor.

6. Add the following context properties in Table 10-4 to the mediation.

Table 10-4 Aggregator mediation values

Click OK.

Mediate the destination

To mediate the destination, perform the following steps:

1. Locate the bus definition by selecting Service integration → Buses. Click

the bus name (ITSOMartBus) to open it.

Name Data Type Value

InboundServiceClientResp

onseDest

String <your_node>.server1.SO

APHTTPChannel1Reply

TempDataDestination String TempDestination

getAccountReturn String getAccountReturn