StefanRRichter commented on a change in pull request #7674: [FLINK-10043] 
[State Backends] Refactor RocksDBKeyedStateBackend object 
construction/initialization/restore code
URL: https://github.com/apache/flink/pull/7674#discussion_r257636045
 
 

 ##########
 File path: 
flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBKeyedStateBackend.java
 ##########
 @@ -473,6 +412,62 @@ public WriteOptions getWriteOptions() {
                return sharedRocksKeyBuilder;
        }
 
+       public RocksDB getDb() {
+               return db;
+       }
+
+       /**
+        * Allow using mocks in unit test.
+        */
+       @VisibleForTesting
+       public void setDb(RocksDB db) {
+               this.db = db;
+       }
+
+       public RocksDBWriteBatchWrapper getWriteBatchWrapper() {
 
 Review comment:
   We can remove almost all the getters in this whole section, they are not 
used anywhere. The remaining getters are only used in tests, so they should be 
annotated `@VisibleForTesting`. Even better would be if we can refactor so that 
the tests can be implemented without need for this getter/setter.

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