DATAJDBC-263 - Polishing.

Improved formatting, added author tags and issue comments.
Changed "entity" to "aggregate" in test names to make it more precise.

Original pull request: #94.

src/main/java/org/springframework/data/jdbc/repository/support/JdbcQueryLookupStrategy.java

@@ -41,6 +41,7 @@ import org.springframework.util.Assert;
  * @author Kazuki Shimizu
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Maciej Walkowiak
  */
 class JdbcQueryLookupStrategy implements QueryLookupStrategy {
 

src/main/java/org/springframework/data/jdbc/repository/support/JdbcRepositoryQuery.java

@@ -99,12 +99,14 @@ class JdbcRepositoryQuery implements RepositoryQuery {
 		}
 
 		if (queryMethod.isCollectionQuery() || queryMethod.isStreamQuery()) {
+
 			List<?> result = operations.query(query, parameters, rowMapper);
 			publishAfterLoad(result);
 			return result;
 		}
 
 		try {
+
 			Object result = operations.queryForObject(query, parameters, rowMapper);
 			publishAfterLoad(result);
 			return result;
@@ -166,6 +168,7 @@ class JdbcRepositoryQuery implements RepositoryQuery {
 	private <T> void publishAfterLoad(@Nullable T entity) {
 
 		if (entity != null && context.hasPersistentEntityFor(entity.getClass())) {
+
 			RelationalPersistentEntity<?> e = context.getRequiredPersistentEntity(entity.getClass());
 			Object identifier = e.getIdentifierAccessor(entity)
 					     .getIdentifier();