context = new ClassPathXmlApplicationContext();
context.setConfigLocation("applicationContext.xml");
JobLauncher jobLauncher = (JobLauncher)
context.getBean("jobLauncher");
Job job = (Job) context.getBean("myJob");

<batch:job id="myJob">
<batch:step id="step1" >
<batch:tasklet>
<batch:chunk reader="jobReader"  writer="jobWriter" commit-interval="1" />
</batch:tasklet>
</batch:step>
</batch:job>