Clustering

returns a node_id => URI mapping

Called on leader node when the cluster has stabilised

Called when the cluster has changed

registers this node with the cluster as a member

is this node registered as part of the cluster

returns the list of known nodes

the name of the service you are clustering

the id of the node

removes this node from the cluster as a member

the service uri for this host

is this class watching for changes to the cluster this should return true if registered returns true