I am new to Spark , what I want to do is to create a Graph connecting a seller and a device, the device is a String , when I am creating a Edge ,I have to give a VertexId, how to generate VertexId from VertexProperty in spark
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tintin
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You are trying to build a bipartite graph? – eliasah Oct 26 '15 at 11:05
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@eliasah, yes, it's a bipartite graph – tintin Oct 26 '15 at 11:09
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1Could you provide example input? – zero323 Oct 26 '15 at 11:43
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1@zero323 isn't it similar to this question http://stackoverflow.com/a/33243012/3415409 – eliasah Oct 26 '15 at 12:03
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I thought about an it is possible but I think this one is more about adding an ID (`StringIndexer` or `distinct.zipWithIndex.collectAsMap`). Still it is just a guess. – zero323 Oct 26 '15 at 12:35
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@zero323, like I (123, "abc"), (456, "cde") – tintin Oct 26 '15 at 13:40
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@zero323, after checking the document, StringIndexer is exactly the function am looking for , thx – tintin Oct 26 '15 at 14:08