Github user kosii commented on a diff in the pull request:
https://github.com/apache/storm/pull/1470#discussion_r68261133
--- Diff:
external/storm-redis/src/main/java/org/apache/storm/redis/state/RedisKeyValueState.java
---
@@ -77,7 +81,8 @@ public RedisKeyValueState(String namespace,
JedisCommandsInstanceContainer jedis
this.keySerializer = keySerializer;
this.valueSerializer = valueSerializer;
this.jedisContainer = jedisContainer;
- this.pendingPrepare = new ConcurrentHashMap<>();
--- End diff --
Using guava's `Optional` seems like a good idea to you?
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