Implement DOMDataTreeChangeListener.onInitialData

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / messages / OnInitialData.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/OnInitialData.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/OnInitialData.java
new file mode 100644 (file)
index 0000000..d2bd499
--- /dev/null
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/OnInitialData.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2019 Red Hat, 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.cluster.datastore.messages;
+
+/**
+ * Message sent to a data tree change listener actor to indicate there is no initial data.
+ *
+ * @author Thomas Pantelis
+ */
+public final class OnInitialData {
+    public static final OnInitialData INSTANCE = new OnInitialData();
+
+    private OnInitialData() {
+        // Hidden on purpose
+    }
+}