Sorry.. Found the api.. On 21 Jan 2016 10:17, "praveen S" <mylogi...@gmail.com> wrote:
> Hi Robin, > > I am using Spark 1.3 and I am not able to find the api > Graph.fromEdgeTuples(edge RDD, 1) > > Regards, > Praveen > Well you can use a similar tech to generate an RDD[(Long, Long)] (that’s > what the edges variable is) and then create the Graph using > Graph.fromEdgeTuples. > > ------------------------------------------------------------------------------- > Robin East > *Spark GraphX in Action* Michael Malak and Robin East > Manning Publications Co. > http://www.manning.com/books/spark-graphx-in-action > > > > > > On 11 Jan 2016, at 12:30, praveen S <mylogi...@gmail.com> wrote: > > Yes I was looking something of that sort.. Thank you. > > Actually I was looking for a way to connect nodes based on the property of > the nodes.. I have a set of nodes and I know the condition on which I can > create an edge.. > On 11 Jan 2016 14:06, "Robin East" <robin.e...@xense.co.uk> wrote: > >> Do you mean to create a perfect graph? You can do it like this: >> >> scala> import org.apache.spark.graphx._ >> import org.apache.spark.graphx._ >> >> scala> val vert = sc.parallelize(Seq(1L,2L,3L,4L,5L)) >> vert: org.apache.spark.rdd.RDD[Long] = ParallelCollectionRDD[23] at >> parallelize at <console>:36 >> >> scala> val edges = vert.cartesian(vert) >> edges: org.apache.spark.rdd.RDD[(Long, Long)] = CartesianRDD[24] at >> cartesian at <console>:38 >> >> scala> val g = Graph.fromEdgeTuples(edges, 1) >> >> >> That will give you a graph where all vertices connect to every other >> vertices. it will give you self joins as well i.e. vert 1 has an edge to >> vert 1, you can deal with this using a filter on the edges RDD if you don’t >> want self-joins >> >> ------------------------------------------------------------------------------ >> Robin East >> *Spark GraphX in Action* Michael Malak and Robin East >> Manning Publications Co. >> http://www.manning.com/books/spark-graphx-in-action >> >> >> >> >> >> On 11 Jan 2016, at 03:19, praveen S <mylogi...@gmail.com> wrote: >> >> Is it possible in graphx to create/generate graph of n x n given only the >> vertices. >> On 8 Jan 2016 23:57, "praveen S" <mylogi...@gmail.com> wrote: >> >>> Is it possible in graphx to create/generate a graph n x n given n >>> vertices? >>> >> >> >
