Added graceful shutdown for upstart service.
Reworked slightly the mastership & device managers and stores to make it work (sort-of) in the distributed env.
diff --git a/core/api/src/main/java/org/onlab/onos/cluster/ClusterStore.java b/core/api/src/main/java/org/onlab/onos/cluster/ClusterStore.java
index 7d4b71f..4579190 100644
--- a/core/api/src/main/java/org/onlab/onos/cluster/ClusterStore.java
+++ b/core/api/src/main/java/org/onlab/onos/cluster/ClusterStore.java
@@ -8,7 +8,7 @@
public interface ClusterStore {
/**
- * Returns the local controller instance.
+ * Returns the local controller node.
*
* @return local controller instance
*/
@@ -22,7 +22,7 @@
Set<ControllerNode> getNodes();
/**
- * Returns the specified controller instance.
+ * Returns the specified controller node.
*
* @param nodeId controller instance identifier
* @return controller instance
@@ -30,11 +30,18 @@
ControllerNode getNode(NodeId nodeId);
/**
- * Returns the availability state of the specified controller instance.
+ * Returns the availability state of the specified controller node.
*
* @param nodeId controller instance identifier
* @return availability state
*/
ControllerNode.State getState(NodeId nodeId);
+ /**
+ * Removes the specified node from the inventory of cluster nodes.
+ *
+ * @param nodeId controller instance identifier
+ */
+ void removeNode(NodeId nodeId);
+
}