Constructs a VertexRDD from the vertex IDs in vids, taking attributes from rdd and using
defaultVal otherwise.
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.
the vertex attribute type
the collection of vertex-attribute pairs
the associative, commutative merge function.
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.
the vertex attribute type
the collection of vertex-attribute pairs
The VertexRDD singleton is used to construct VertexRDDs.