Return empty list instead of null to improve null-safety

Change-Id: I27066a21e6acf2a0d7c7037015d19a870c6a4ae9

Return empty list instead of null to improve null-safety
Change-Id: I27066a21e6acf2a0d7c7037015d19a870c6a4ae9
Sho SHIMIZU · Gerrit Code Review
Commit 7b7eabc6f67eb9d1447e24d9d7994e04750414ae 7b7eabc6 1 parent 8b66a858
Showing 1 changed file with 1 additions and 1 deletions
core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
--- a/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
View file @7b7eabc
+++ b/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
View file @7b7eabc
@@ -616,7 +616,7 @@ public class GossipDeviceStore
 
             if (isDeviceRemoved(deviceId, portDescriptions.timestamp())) {
                 log.debug("Ignoring outdated events: {}", portDescriptions);
-                 return null;
+                 return Collections.emptyList();
             }
 
             DeviceDescriptions descs = descsMap.get(providerId);