BATCH-1915: Change minimum compiler level to 1.6 and use @Override everywhere

spring-batch-test/src/test/java/org/springframework/batch/test/JobRepositoryTestUtilsTests.java

@@ -134,6 +134,7 @@ public class JobRepositoryTestUtilsTests {
 	public void testCreateJobExecutionsWithIncrementer() throws Exception {
 		utils = new JobRepositoryTestUtils(jobRepository, dataSource);
 		utils.setJobParametersIncrementer(new JobParametersIncrementer() {
+            @Override
 			public JobParameters getNext(JobParameters parameters) {
 				return new JobParametersBuilder().addString("foo","bar").toJobParameters();
 			}

spring-batch-test/src/test/java/org/springframework/batch/test/SampleStepTests.java

@@ -53,6 +53,7 @@ public class SampleStepTests implements ApplicationContextAware {
 		assertEquals(2, jdbcTemplate.queryForInt("SELECT ID from TESTS where NAME = 'SampleTasklet2'"));
 	}
 
+    @Override
 	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
 		this.context = applicationContext;
 	}

spring-batch-test/src/test/java/org/springframework/batch/test/jmx/JobExecutionNotificationPublisher.java

@@ -44,6 +44,7 @@ public class JobExecutionNotificationPublisher implements ApplicationListener, N
 	 * 
 	 * @see org.springframework.jmx.export.notification.NotificationPublisherAware#setNotificationPublisher(org.springframework.jmx.export.notification.NotificationPublisher)
 	 */
+    @Override
 	public void setNotificationPublisher(NotificationPublisher notificationPublisher) {
 		this.notificationPublisher = notificationPublisher;
 	}
@@ -55,6 +56,7 @@ public class JobExecutionNotificationPublisher implements ApplicationListener, N
 	 * 
 	 * @see ApplicationListener#onApplicationEvent(ApplicationEvent) 
 	 */
+    @Override
 	public void onApplicationEvent(ApplicationEvent applicationEvent) {
 		if (applicationEvent instanceof SimpleMessageApplicationEvent) {
 			String message = applicationEvent.toString();

spring-batch-test/src/test/java/org/springframework/batch/test/jmx/SimpleMessageApplicationEvent.java

@@ -19,8 +19,9 @@ public class SimpleMessageApplicationEvent extends ApplicationEvent {
 	/* (non-Javadoc)
 	 * @see java.util.EventObject#toString()
 	 */
+    @Override
 	public String toString() {
 		return "message=["+message+"], " + super.toString();
 	}
 
-}
+}

spring-batch-test/src/test/java/org/springframework/batch/test/jmx/StepExecutionApplicationEventAdvice.java

@@ -36,6 +36,7 @@ public class StepExecutionApplicationEventAdvice implements ApplicationEventPubl
 	 * (non-Javadoc)
 	 * @see org.springframework.context.ApplicationEventPublisherAware#setApplicationEventPublisher(org.springframework.context.ApplicationEventPublisher)
 	 */
+    @Override
 	public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
 		this.applicationEventPublisher = applicationEventPublisher;
 	}

spring-batch-test/src/test/java/org/springframework/batch/test/sample/LoggingTasklet.java

@@ -17,6 +17,7 @@ public class LoggingTasklet implements Tasklet {
                 this.id = id;
         }
 
+        @Override
         public RepeatStatus execute(StepContribution contribution, ChunkContext chunkContext) throws Exception {
                 logger.info("tasklet executing: id=" + id);
                 return RepeatStatus.FINISHED;

spring-batch-test/src/test/java/org/springframework/batch/test/sample/SampleTasklet.java

@@ -26,6 +26,7 @@ public class SampleTasklet implements Tasklet {
 		this.id = id;
 	}
 
+    @Override
 	public RepeatStatus execute(StepContribution contribution, ChunkContext chunkContext) throws Exception {
 		this.jdbcTemplate.update("insert into TESTS(ID, NAME) values (?, 'SampleTasklet" + id + "')", id);