class StagingItemListener extends StepListenerSupport<Long, Long> implements InitializingBean {

	private JdbcOperations jdbcTemplate;

	public void setDataSource(DataSource dataSource) {
		jdbcTemplate = new JdbcTemplate(dataSource);
	}

	@Override
	public final void afterPropertiesSet() throws Exception {
		Assert.state(jdbcTemplate != null, "You must provide a DataSource.");
	}

	@Override
	public void afterRead(Long id) {<FILL_FUNCTION_BODY>}

}

		int count = jdbcTemplate.update("UPDATE BATCH_STAGING SET PROCESSED=? WHERE ID=? AND PROCESSED=?",
				StagingItemWriter.DONE, id, StagingItemWriter.NEW);
		if (count != 1) {
			throw new OptimisticLockingFailureException("The staging record with ID=" + id
					+ " was updated concurrently when trying to mark as complete (updated " + count + " records.");
		}
	
<methods>public non-sealed void <init>() <variables>