commit 7b7eabc6f67eb9d1447e24d9d7994e04750414ae
author Sho SHIMIZU <sshimizu@us.fujitsu.com> Wed Jun 10 20:30:19 2015 -0700
committer Gerrit Code Review <gerrit@onlab.us> Thu Jun 11 17:01:04 2015 +0000
tree e68d0d0b57a0fa76ef0ec696a161b2177696eff2
parent 8b66a858bd5f5939c4cc0771eecdaa10599dd26d

Return empty list instead of null to improve null-safety

Change-Id: I27066a21e6acf2a0d7c7037015d19a870c6a4ae9

core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java

diff --git a/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java b/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
index 0b4e215..d5231be 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
@@ -616,7 +616,7 @@
 
             if (isDeviceRemoved(deviceId, portDescriptions.timestamp())) {
                 log.debug("Ignoring outdated events: {}", portDescriptions);
-                return null;
+                return Collections.emptyList();
             }
 
             DeviceDescriptions descs = descsMap.get(providerId);