2 * Copyright (c) 2015 Brocade Communications Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.cluster.raft.messages;
10 import com.google.common.annotations.VisibleForTesting;
11 import com.google.common.base.MoreObjects;
12 import com.google.common.base.Preconditions;
13 import java.io.Serializable;
14 import java.util.Optional;
15 import javax.annotation.Nonnull;
16 import javax.annotation.Nullable;
19 * Abstract base class for a server configuration change reply.
21 * @author Thomas Pantelis
23 public abstract class AbstractServerChangeReply implements Serializable {
24 private static final long serialVersionUID = 1L;
26 private final String leaderHint;
27 private final ServerChangeStatus status;
29 AbstractServerChangeReply(final @Nonnull ServerChangeStatus status, final @Nullable String leaderHint) {
30 this.status = Preconditions.checkNotNull(status);
31 this.leaderHint = leaderHint;
35 @Nonnull public final Optional<String> getLeaderHint() {
36 return Optional.ofNullable(leaderHint);
39 @Nonnull public final ServerChangeStatus getStatus() {
44 public final String toString() {
45 return MoreObjects.toStringHelper(getClass()).omitNullValues()
46 .add("status", status).add("leaderHint", leaderHint).toString();