X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-dom-broker%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fdom%2Fbroker%2Fimpl%2FDOMNotificationRouterEvent.java;h=a1d5faee7ccd113953448db7da8001766c443692;hp=65c7166ac97c2eebf82e9ebaba85c17368319bcf;hb=2d60632f7cf63712e8357a3cf3fc40d83366e5e6;hpb=bfd413d87f82ee3ffed67a141a980805950a0f06

diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/DOMNotificationRouterEvent.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/DOMNotificationRouterEvent.java
index 65c7166ac9..a1d5faee7c 100644
--- a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/DOMNotificationRouterEvent.java
+++ b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/DOMNotificationRouterEvent.java
@@ -15,18 +15,16 @@ import java.util.Collection;
 import org.opendaylight.controller.md.sal.dom.api.DOMNotification;
 import org.opendaylight.controller.md.sal.dom.api.DOMNotificationListener;
 import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * A single notification event in the disruptor ringbuffer. These objects are reused,
  * so they do have mutable state.
  */
 final class DOMNotificationRouterEvent {
-    public static final EventFactory<DOMNotificationRouterEvent> FACTORY = new EventFactory<DOMNotificationRouterEvent>() {
-        @Override
-        public DOMNotificationRouterEvent newInstance() {
-            return new DOMNotificationRouterEvent();
-        }
-    };
+    private static final Logger LOG = LoggerFactory.getLogger(DOMNotificationRouterEvent.class);
+    public static final EventFactory<DOMNotificationRouterEvent> FACTORY = DOMNotificationRouterEvent::new;
 
     private Collection<ListenerRegistration<? extends DOMNotificationListener>> subscribers;
     private DOMNotification notification;
@@ -36,7 +34,10 @@ final class DOMNotificationRouterEvent {
         // Hidden on purpose, initialized in initialize()
     }
 
-    ListenableFuture<Void> initialize(final DOMNotification notification, final Collection<ListenerRegistration<? extends DOMNotificationListener>> subscribers) {
+    @SuppressWarnings("checkstyle:hiddenField")
+    ListenableFuture<Void> initialize(final DOMNotification notification,
+                                      final Collection<ListenerRegistration<? extends DOMNotificationListener>>
+                                              subscribers) {
         this.notification = Preconditions.checkNotNull(notification);
         this.subscribers = Preconditions.checkNotNull(subscribers);
         this.future = SettableFuture.create();
@@ -44,16 +45,22 @@ final class DOMNotificationRouterEvent {
     }
 
     void deliverNotification() {
+        LOG.trace("Start delivery of notification {}", notification);
         for (ListenerRegistration<? extends DOMNotificationListener> r : subscribers) {
-            final DOMNotificationListener l = r.getInstance();
-            if (l != null) {
-                l.onNotification(notification);
+            final DOMNotificationListener listener = r.getInstance();
+            if (listener != null) {
+                LOG.trace("Notifying listener {}", listener);
+                listener.onNotification(notification);
+                LOG.trace("Listener notification completed");
             }
         }
+        LOG.trace("Delivery completed");
     }
 
     void setFuture() {
         future.set(null);
+        notification = null;
+        subscribers = null;
+        future = null;
     }
-
 }
\ No newline at end of file