Enabling Data Change Notifications for all nodes in cluster.

[controller.git] / opendaylight / md-sal / sal-binding-api / src / main / java / org / opendaylight / controller / md / sal / binding / api / ClusteredDataChangeListener.java

diff --git a/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/ClusteredDataChangeListener.java b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/ClusteredDataChangeListener.java
new file mode 100644 (file)
index 0000000..511910d
--- /dev/null
+++ b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/ClusteredDataChangeListener.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+
+package org.opendaylight.controller.md.sal.binding.api;
+
+/**
+ * <p>
+ * ClusteredDataChangeListener is a marker interface to enable data change notifications on all instances in a cluster,
+ * where this listener is registered.
+ * </p>
+ *
+ * <p>Applications should implement ClusteredDataChangeListener instead of DataChangeListener, if they want to listen
+ * to data change notifications on any node of clustered datastore. DataChangeListener enables data change notifications
+ * only at leader of the datastore shard.</p>
+ *
+ */
+
+public interface ClusteredDataChangeListener extends DataChangeListener{
+}