modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/messages/TcpDiscoveryClientPingRequest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ignite.spi.discovery.tcp.messages;

import java.util.UUID;
import org.apache.ignite.internal.util.typedef.internal.S;
import org.jetbrains.annotations.Nullable;

/**
 * Ping request.
 */
public class TcpDiscoveryClientPingRequest extends TcpDiscoveryAbstractMessage {
    /** */
    private static final long serialVersionUID = 0L;

    /** Pinged client node ID. */
    private final UUID nodeToPing;

    /**
     * @param creatorNodeId Creator node ID.
     * @param nodeToPing Pinged client node ID.
     */
    public TcpDiscoveryClientPingRequest(UUID creatorNodeId, @Nullable UUID nodeToPing) {
        super(creatorNodeId);

        this.nodeToPing = nodeToPing;
    }

    /**
     * @return Pinged client node ID.
     */
    @Nullable public UUID nodeToPing() {
        return nodeToPing;
    }

    /** {@inheritDoc} */
    @Override public String toString() {
        return S.toString(TcpDiscoveryClientPingRequest.class, this, "super", super.toString());
    }
}