//
/**
+ * Notifies a listener that a node was added to the core.
+ *
+ * @param node
+ * The node that was added.
+ */
+ public void nodeAdded(Node node);
+
+ /**
+ * Notifies a listener that a node was removed from the core. Before a node
+ * is removed, it will be disconnected (and
+ * {@link #nodeDisconnected(Node, Throwable)} will be called).
+ *
+ * @param node
+ * The node that was removed
+ */
+ public void nodeRemoved(Node node);
+
+ /**
* Notifies all listeners that the core started connecting to the given
- * node.
+ * node. Before a node is connected, it will be added (and
+ * {@link #nodeAdded(Node)} will be called).
*
* @param node
* The node that is being connected
public void nodeConnected(Node node);
/**
+ * Notifies a listener that a connection to a node has failed.
+ *
+ * @param node
+ * The node that could not be connected
+ * @param cause
+ * The cause of the failure
+ */
+ public void nodeConnectionFailed(Node node, Throwable cause);
+
+ /**
* Notifies all listeners that the core disconnected from the given node.
*
* @param node
/**
* Notifies a listener that a request was added to a node.
*
- * @param node
- * The node the request was added to
* @param request
* The request that was added
*/
- public void requestAdded(Node node, Request request);
+ public void requestAdded(Request request);
+
+ /**
+ * Notifies a listener that a request made some progress.
+ *
+ * @param request
+ * The request that made the progress
+ */
+ public void requestProgressed(Request request);
+
+ /**
+ * Notifies a listener that a request was removed.
+ *
+ * @param request
+ * The request that was removed
+ */
+ public void requestRemoved(Request request);
}