--- /dev/null
+/*
+ * Copyright (c) 2017 Brocade Communications 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.cluster.raft.persisted;
+
+/**
+ * Empty Snapshot State implementation.
+ *
+ * @author Thomas Pantelis
+ */
+public class EmptyState implements Snapshot.State {
+ private static final long serialVersionUID = 1L;
+
+ public static final EmptyState INSTANCE = new EmptyState();
+
+ private EmptyState() {
+ }
+
+ @SuppressWarnings("static-method")
+ private Object readResolve() {
+ return INSTANCE;
+ }
+}