Give an example of Future in scala

[chenweisomebody126]

What type of PR is this?

• enhancement

What problem(s) does this PR solve?

Description:

Introduce Future

How do you solve it?

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[chenweisomebody126]

@wey-gu This is an example of what I mean by using Future in scala .

[Nicole00]

HI @chenweisomebody126 , thanks for your pr with the Example of Future. What's the meaning to use Future in this Nebula2Nebula example?

[jxnu-liguobin]

HI @chenweisomebody126 , thanks for your pr with the Example of Future. What's the meaning to use Future in this Nebula2Nebula example?

These three futures will be parallel

    val tagsFt = Future(metaClient.getTags(space))
    val edgesFt = Future(metaClient.getEdges(space))
    val partitionsFt = Future(metaClient.getPartsAlloc(space)).map(_.size())