Adding FlowRuleIntent to kryo (ONOS-1384)

Change-Id: Ica6cb24d95d7bcd3cce8d18074c96cb1c25b2f21

@@ -61,6 +61,14 @@ public class FlowRuleIntent extends Intent {
     }
 
     /**
+     * Constructor for serializer.
+     */
+    protected FlowRuleIntent() {
+        super();
+        this.flowRules = null;
+    }
+
+    /**
      * Returns a collection of flow rules to be set.
      *
      * @return a collection of flow rules

@@ -80,6 +80,7 @@ import org.onosproject.net.flow.instructions.L3ModificationInstruction;
 import org.onosproject.net.host.DefaultHostDescription;
 import org.onosproject.net.host.HostDescription;
 import org.onosproject.net.intent.ConnectivityIntent;
+import org.onosproject.net.intent.FlowRuleIntent;
 import org.onosproject.net.intent.HostToHostIntent;
 import org.onosproject.net.intent.Intent;
 import org.onosproject.net.intent.IntentId;
@@ -295,6 +296,7 @@ public final class KryoNamespaces {
                     PointToPointIntent.class,
                     MultiPointToSinglePointIntent.class,
                     SinglePointToMultiPointIntent.class,
+                    FlowRuleIntent.class,
                     LinkCollectionIntent.class,
                     OpticalConnectivityIntent.class,
                     OpticalPathIntent.class,