commit 20c170570df5bf3fd10c35e154726c9ef413fbf6
author Andrea Campanella <andrea@opennetwokring.org> Tue Jan 30 16:19:35 2018 +0100
committer Andrea Campanella <andrea@opennetworking.org> Tue Jan 30 15:38:03 2018 +0000
tree f489056f29d04e73e13212573994bbb17583d072
parent 3970e479d68fbdbfcb2f67573017a186cde2db9d

T3 - Fixing NPE for flow rules

Change-Id: I691236b016d41bf105a61219032d1898a01c7591
(cherry picked from commit 8b60903155f6c484644295cb0c2a6ae62bbb2666)

src/main/java/org/onosproject/t3/api/StaticPacketTrace.java

diff --git a/src/main/java/org/onosproject/t3/api/StaticPacketTrace.java b/src/main/java/org/onosproject/t3/api/StaticPacketTrace.java
index cfc6371..e56035d 100644
--- a/src/main/java/org/onosproject/t3/api/StaticPacketTrace.java
+++ b/src/main/java/org/onosproject/t3/api/StaticPacketTrace.java
@@ -16,6 +16,7 @@
 
 package org.onosproject.t3.api;
 
+import com.google.common.collect.ImmutableList;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.flow.FlowEntry;
@@ -151,7 +152,7 @@
      * @return the flows matched
      */
     public List<FlowEntry> getFlowsForDevice(DeviceId deviceId) {
-        return flowsForDevice.get(deviceId);
+        return flowsForDevice.getOrDefault(deviceId, ImmutableList.of());
     }
 
     @Override