DATAREDIS-1091 - Polishing.

Make fields final where possible. Update since tags. Original pull request: spring-projects#517.

Author: mp911de

src/main/java/org/springframework/data/redis/core/RedisKeyValueAdapter.java

@@ -869,7 +869,7 @@ public enum EnableKeyspaceEvents {
  * publishing {@link RedisKeyspaceEvent}.
  *
  * @author Christoph Strobl
- * @since 2.3
+ * @since 2.4
  */
 public enum ShadowCopy {
 
@@ -900,8 +900,8 @@ static class RedisUpdateObject {
 private final Object targetId;
 private final byte[] targetKey;
 
-private Set<byte[]> fieldsToRemove = new LinkedHashSet<>();
-private Set<Index> indexesToUpdate = new LinkedHashSet<>();
+private final Set<byte[]> fieldsToRemove = new LinkedHashSet<>();
+private final Set<Index> indexesToUpdate = new LinkedHashSet<>();
 
 RedisUpdateObject(byte[] targetKey, String keyspace, Object targetId) {
 

src/main/java/org/springframework/data/redis/repository/configuration/EnableRedisRepositories.java

@@ -170,9 +170,9 @@
 /**
  * Configuration flag controlling storage of phantom keys (shadow copies) of expiring entities to read them later when
  * publishing {@link org.springframework.data.redis.core.RedisKeyspaceEvent keyspace events}.
- * 
+ *
  * @return
- * @since 2.3
+ * @since 2.4
  */
 ShadowCopy shadowCopy() default ShadowCopy.DEFAULT;
 

src/test/java/org/springframework/data/redis/core/RedisKeyValueAdapterTests.java

@@ -58,6 +58,8 @@
 import org.springframework.data.redis.core.mapping.RedisMappingContext;
 
 /**
+ * Integration tests for {@link RedisKeyValueAdapter}.
+ *
  * @author Christoph Strobl
  * @author Mark Paluch
  */