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 · Brian O'Connor
Commit be1d206f1187baa884d52baad9be32ce0c673337 be1d206f 1 parent 0d4ad48d
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 @be1d206
+++ b/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
View file @be1d206
@@ -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                 log.debug("Ignoring outdated events: {}", portDescriptions);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);