Add getDataSource method to DefaultBatchConfigurer

Author: acktsap

spring-batch-core/src/main/java/org/springframework/batch/core/configuration/annotation/DefaultBatchConfigurer.java

@@ -129,16 +129,20 @@ protected JobLauncher createJobLauncher() throws Exception {
 
 	protected JobRepository createJobRepository() throws Exception {
 		JobRepositoryFactoryBean factory = new JobRepositoryFactoryBean();
-		factory.setDataSource(dataSource);
+		factory.setDataSource(getDataSource());
 		factory.setTransactionManager(getTransactionManager());
 		factory.afterPropertiesSet();
 		return factory.getObject();
 	}
 
 	protected JobExplorer createJobExplorer() throws Exception {
 		JobExplorerFactoryBean jobExplorerFactoryBean = new JobExplorerFactoryBean();
-		jobExplorerFactoryBean.setDataSource(this.dataSource);
+		jobExplorerFactoryBean.setDataSource(getDataSource());
 		jobExplorerFactoryBean.afterPropertiesSet();
 		return jobExplorerFactoryBean.getObject();
 	}
+
+	protected DataSource getDataSource() {
+		return dataSource;
+	}
 }