/*
* Copyright (c) 2015 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.messages;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.MoreObjects;
import com.google.common.base.Preconditions;
import java.io.Serializable;
import java.util.Optional;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
/**
* Abstract base class for a server configuration change reply.
*
* @author Thomas Pantelis
*/
public abstract class AbstractServerChangeReply implements Serializable {
private static final long serialVersionUID = 1L;
private final String leaderHint;
private final ServerChangeStatus status;
AbstractServerChangeReply(final @Nonnull ServerChangeStatus status, final @Nullable String leaderHint) {
this.status = Preconditions.checkNotNull(status);
this.leaderHint = leaderHint;
}
@VisibleForTesting
@Nonnull public final Optional<String> getLeaderHint() {
return Optional.ofNullable(leaderHint);
}
@Nonnull public final ServerChangeStatus getStatus() {
return status;
}
@Override
public final String toString() {
return MoreObjects.toStringHelper(getClass()).omitNullValues()
.add("status", status).add("leaderHint", leaderHint).toString();
}
}