Return the HostDistance for the provided host.

This policy consider all nodes as local. This is generally the right thing to do in a single datacenter deployment. If you use multiple datacenter, see DCAwareRoundRobinPolicy instead.

Returns the hosts to use for a new query.

The returned plan will try each known host of the cluster. Upon each call to this method, the ith host of the plans returned will cycle over all the host of the cluster in a round-robin fashion.