Polishing.

Add missing Nullable annotations. Reorder methods. See: spring-projects#2996 Original pull request: spring-projects#2997

Author: mp911de

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

@@ -249,6 +249,7 @@ public interface BoundListOperations<K, V> extends BoundKeyOperations<K> {
  * @since 2.4
  * @see <a href="https://redis.io/commands/lpos">Redis Documentation: LPOS</a>
  */
+@Nullable
 Long indexOf(V value);
 
 /**
@@ -260,6 +261,7 @@ public interface BoundListOperations<K, V> extends BoundKeyOperations<K> {
  * @since 2.4
  * @see <a href="https://redis.io/commands/lpos">Redis Documentation: LPOS</a>
  */
+@Nullable
 Long lastIndexOf(V value);
 
 /**

src/main/java/org/springframework/data/redis/support/collections/AbstractRedisCollection.java

@@ -131,13 +131,6 @@ public void rename(final String newKey) {
 key = newKey;
 }
 
-protected void checkResult(@Nullable Object obj) {
-
-if (obj == null) {
-throw new IllegalStateException("Cannot read collection with Redis connection in pipeline/multi-exec mode");
-}
-}
-
 @Override
 public boolean equals(@Nullable Object o) {
 
@@ -168,4 +161,11 @@ public int hashCode() {
 public String toString() {
 return "%s for key: %s".formatted(getClass().getSimpleName(), getKey());
 }
+
+protected void checkResult(@Nullable Object obj) {
+
+if (obj == null) {
+throw new IllegalStateException("Cannot read collection with Redis connection in pipeline/multi-exec mode");
+}
+}
 }

src/main/java/org/springframework/data/redis/support/collections/DefaultRedisMap.java

@@ -187,7 +187,6 @@ public int hashCode() {
 
 @Override
 public String toString() {
-
 return "RedisStore for key:" + getKey();
 }
 
@@ -317,17 +316,17 @@ public DataType getType() {
 return hashOps.getType();
 }
 
+@Override
+public Cursor<java.util.Map.Entry<K, V>> scan() {
+return scan(ScanOptions.NONE);
+}
+
 private void checkResult(@Nullable Object obj) {
 if (obj == null) {
 throw new IllegalStateException("Cannot read collection with Redis connection in pipeline/multi-exec mode");
 }
 }
 
-@Override
-public Cursor<java.util.Map.Entry<K, V>> scan() {
-return scan(ScanOptions.NONE);
-}
-
 /**
  * @since 1.4
  * @param options