scala - Hazelcast sort IMap (Scala)

Question

I'm using hazelcast IMap[String,Any] in my application. When printing the map it should be sorted by the keys.

Is there a nice way to sort the IMap by key (other than sort the keys locally and print by the sorted keys)?

Answer 1

由于IMap扩展了常规java.util.Map，您可以使用 a scala.collection.immutable.TreeMap，它始终按键排序。

println(TreeMap() ++ imap)

这显然不是免费的，因为您IMap每次想要打印它时都需要对其进行迭代和排序。