X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-binding-api%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fbinding%2Fapi%2FDataTreeChangeListener.java;h=222242e37c38e26cdca3e57ac1ed7386de5ac6f2;hb=refs%2Fchanges%2F11%2F80211%2F6;hp=93ab968451be9882e91379c867ae11a13dc111ad;hpb=dea515c8870769408b9bea29f555d6b71ff43211;p=controller.git

diff --git a/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/DataTreeChangeListener.java b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/DataTreeChangeListener.java
index 93ab968451..222242e37c 100644
--- a/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/DataTreeChangeListener.java
+++ b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/DataTreeChangeListener.java
@@ -9,14 +9,17 @@ package org.opendaylight.controller.md.sal.binding.api;
 
 import java.util.Collection;
 import java.util.EventListener;
-import javax.annotation.Nonnull;
+import org.eclipse.jdt.annotation.NonNull;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 
 /**
  * Interface implemented by classes interested in receiving notifications about
- * data tree changes. This interface differs from {@link DataChangeListener}
- * in that it provides a cursor-based view of the change, which has potentially
+ * data tree changes. This interface provides a cursor-based view of the change, which has potentially
  * lower overhead and allow more flexible consumption of change event.
+ *
+ * <p>
+ * Note: this interface enables notifications only at the leader of the data store, if clustered. If you want
+ * notifications on all instances in a cluster, use the {@link ClusteredDataTreeChangeListener}.
  */
 public interface DataTreeChangeListener<T extends DataObject> extends EventListener {
     /**
@@ -34,11 +37,12 @@ public interface DataTreeChangeListener<T extends DataObject> extends EventListe
      * to recover from such events. Event producers are expected to exert reasonable
      * effort to suppress such events.
      *
+     * <p>
      * In other words, it is completely acceptable to observe
      * a {@link DataObjectModification}, while the state observed before and
      * after- data items compare as equal.
      *
      * @param changes Collection of change events, may not be null or empty.
      */
-    void onDataTreeChanged(@Nonnull Collection<DataTreeModification<T>> changes);
+    void onDataTreeChanged(@NonNull Collection<DataTreeModification<T>> changes);
 }