Fix bug 2413 NPE for group and meters

[controller.git] / opendaylight / md-sal / statistics-manager / src / main / java / org / opendaylight / controller / md / statistics / manager / StatPermCollector.java

diff --git a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatPermCollector.java b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatPermCollector.java
index 9116e66737f3abc8815abf7f3299409dd148835d..16ad28dd4fa9f439e201e59a9e66ff205c809d18 100644 (file)
--- a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatPermCollector.java
+++ b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatPermCollector.java
@@ -82,17 +82,27 @@ public interface StatPermCollector extends Runnable, AutoCloseable {
 
     /**
      * All disconnected Nodes need be removed from stat list Nodes
+     *
      * @param flowNode
      * @return true/false if the {@link Node} removed successful
      */
     boolean disconnectedNodeUnregistration(InstanceIdentifier<Node> nodeIdent);
 
+    /**
+     * Method add new feature {@link StatCapabTypes} to Node identified by
+     * nodeIdent -> InstanceIdentifier<Node>
+     *
+     * @param flowNode
+     * @return true/false if the {@link StatCapabTypes} add successful
+     */
+    boolean registerAdditionalNodeFeature(InstanceIdentifier<Node> nodeIdent, StatCapabTypes statCapab);
+
     /**
      * Method return true only and only if {@link StatPermCollector} contain
      * valid node registration in its internal {@link Node} map.
      * Otherwise return false.
      *
-     * @param InstanceIdentifier<FlowCapableNode> flowNode
+     * @param flowNode
      * @return
      */
     boolean isProvidedFlowNodeActive(InstanceIdentifier<Node> nodeIdent);