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Option型にString型の文字列から変換したい

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scala-redisのsecretの文字列の部分でOption型のものを要求されたので変換したときの方法をメモ。

val config = ConfigFactory.load
val redisConfig = config.getConfig("redis")

val accessKeyMap = new util.HashMap[Int, String]

accessKeyMap.put(1, redisConfig.getString("accessKey"))

val redis = new RedisClient(rHost, rPort, rDatabase, Option(accessKeyMap.get(1)))

これで一旦compile時のエラーは消えた。

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