Java Reference
In-Depth Information
As you can see in Listing 9-41, CustomerServiceImpl is short, sweet, and to the point. But it serves the
purpose for the example. To put this service to work in formatJob , you can configure it to be the target of
a new ItemWriterAdapter . Using the same input configuration you've used in the other jobs this chapter,
Listing 9-42 shows the configuration for the ItemWriter using the CustomerServiceImpl 's logCustomer
method and job referencing it.
Listing 9-42. ItemWriterAdapter Configuration
<beans:bean id="customerService"
<beans:bean id="itemWriterAdapter"
<beans:property name="targetObject" ref="customerService"/>
<beans:property name="targetMethod" value="logCustomer"/>
<step id="formatFileStep">
<chunk reader="customerFileReader" writer="itemWriterAdapter"
<job id="formatJob">
<step id="step1" parent="formatFileStep"/>
Listing 9-42 starts with the configuration of customerService . The ItemWriter is next as the
itemWriterAdapter . The two dependencies it uses are a reference to customerService and the name of
the logCustomer method. Finally, you reference the itemWriterAdapter in the step to be used by the job.
To execute this job, you build it, like all jobs, with a mvn clean install from the command line.
With the job built, you can execute it by executing the jar file as you've done in the past. A sample of the
output of this job is shown in Listing 9-43.
Listing 9-43. ItemWriterAdapter Output
2011-03-09 22:43:56,526 DEBUG main
[] - <Repeat operation
about to start at count=10>
2011-03-09 22:43:56,526 DEBUG main
[] - <Repeat is
complete according to policy and result value.>
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