Ignore unnecessary update() processing in NVPN MD-SAL listeners

[netvirt.git] / neutronvpn / impl / src / main / java / org / opendaylight / netvirt / neutronvpn / NeutronTrunkChangeListener.java

diff --git a/neutronvpn/impl/src/main/java/org/opendaylight/netvirt/neutronvpn/NeutronTrunkChangeListener.java b/neutronvpn/impl/src/main/java/org/opendaylight/netvirt/neutronvpn/NeutronTrunkChangeListener.java
index 12f5363d6047ee59aa2f16c89546adf1d2e220b8..f41d8ad3ece0618ab5e6ec0880256eb97ec30e09 100644 (file)
--- a/neutronvpn/impl/src/main/java/org/opendaylight/netvirt/neutronvpn/NeutronTrunkChangeListener.java
+++ b/neutronvpn/impl/src/main/java/org/opendaylight/netvirt/neutronvpn/NeutronTrunkChangeListener.java
@@ -15,6 +15,7 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import javax.annotation.PreDestroy;
 import javax.inject.Inject;
 import javax.inject.Singleton;
@@ -104,6 +105,9 @@ public class NeutronTrunkChangeListener extends AbstractAsyncDataTreeChangeListe
 
     @Override
     public void update(InstanceIdentifier<Trunk> identifier, Trunk original, Trunk update) {
+        if (Objects.equals(original, update)) {
+            return;
+        }
         List<SubPorts> updatedSubPorts = new ArrayList<SubPorts>(update.nonnullSubPorts().values());
         if (updatedSubPorts == null) {
             updatedSubPorts = Collections.emptyList();