*
* @param node
* The node to add
+ * @return <code>true</code> if the node was added, <code>false</code>
+ * if it was not added because it was already known
* @throws UnknownHostException
* if the hostname of the node can not be resolved
*/
- public void addNode(Node node) throws UnknownHostException;
+ public boolean addNode(Node node) throws UnknownHostException;
/**
* Removes the given node from the core.