org.apache.spark.graphx

VertexRDD

object VertexRDD extends Serializable

The VertexRDD singleton is used to construct VertexRDDs.

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  6. def apply[VD](vids: RDD[VertexId], rdd: RDD[(VertexId, VD)], defaultVal: VD)(implicit arg0: ClassTag[VD]): VertexRDD[VD]

    Constructs a VertexRDD from the vertex IDs in vids, taking attributes from rdd and using defaultVal otherwise.

  7. def apply[VD](rdd: RDD[(VertexId, VD)], mergeFunc: (VD, VD) ⇒ VD)(implicit arg0: ClassTag[VD]): VertexRDD[VD]

    Constructs a VertexRDD from an RDD of vertex-attribute pairs, merging duplicates using mergeFunc.

    Constructs a VertexRDD from an RDD of vertex-attribute pairs, merging duplicates using mergeFunc.

    VD

    the vertex attribute type

    rdd

    the collection of vertex-attribute pairs

    mergeFunc

    the associative, commutative merge function.

  8. def apply[VD](rdd: RDD[(VertexId, VD)])(implicit arg0: ClassTag[VD]): VertexRDD[VD]

    Construct a VertexRDD from an RDD of vertex-attribute pairs.

    Construct a VertexRDD from an RDD of vertex-attribute pairs. Duplicate entries are removed arbitrarily.

    VD

    the vertex attribute type

    rdd

    the collection of vertex-attribute pairs

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