A utility class for determining the Replica Set (Ip Addresses) of a particular Cassandra Row. Used
by the com.datastax.spark.connector.RDDFunctions.keyByCassandraReplica method. Uses the Java
Driver to obtain replica information.
Pairs each piece of data with the Cassandra Replicas which that data would be found on
A source of data which can be bound to a statement by BatchStatementBuilder
an Iterator over the same data keyed by the replica's ip addresses