+/*
+ * Copyright (c) 2019 PANTHEON.tech, s.r.o. 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;
+
+import java.io.Serializable;
+import org.eclipse.jdt.annotation.NonNull;
+
+/**
+ * Request a shard to report the clients it knows about. Shard is required to respond with {@link GetKnownClientsReply}.
+ */
+public final class GetKnownClients implements Serializable {
+ private static final long serialVersionUID = 1L;
+
+ public static final @NonNull GetKnownClients INSTANCE = new GetKnownClients();
+
+ private GetKnownClients() {
+
+ }
+
+ private Object readResolve() {
+ return INSTANCE;
+ }
+}