spring-projects#389 - Polishing.

Add author tags. Reformat code.

Original pull request: spring-projects#412.

Author: mp911de

jpa/example/src/main/java/example/springdata/jpa/caching/CachingUserRepository.java

@@ -24,11 +24,12 @@
  *
  * @author Oliver Gierke
  * @author Thomas Darimont
+ * @author Andrea Rizzini
  */
 public interface CachingUserRepository extends CrudRepository<User, Long> {
 
 	@Override
-	@CacheEvict(value="byUsername", key="#p0.username")
+	@CacheEvict(value = "byUsername", key = "#p0.username")
 	<S extends User> S save(S entity);
 
 	@Cacheable("byUsername")

jpa/example/src/test/java/example/springdata/jpa/caching/CachingRepositoryTests.java

@@ -32,6 +32,7 @@
  *
  * @author Oliver Gierke
  * @author Thomas Darimont
+ * @author Andrea Rizzini
  */
 @RunWith(SpringRunner.class)
 @Transactional
@@ -56,13 +57,12 @@ public void checkCachedValue() {
 		assertThat(cache.get("dmatthews").get()).isEqualTo(dave);
 	}
 
-
 	@Test
 	public void checkCacheEviction() {
 
 		User dave = new User();
 		dave.setUsername("dmatthews");
-		dave = repository.save(dave);
+		repository.save(dave);
 
 		// Verify entity evicted on cache
 		Cache cache = cacheManager.getCache("byUsername");