modules/network/src/main/java/org/apache/ignite/internal/network/netty/ChannelKey.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.internal.network.netty;

import java.util.UUID;
import org.apache.ignite.internal.tostring.S;

/** Channel key. */
public class ChannelKey {
    /** Remote node's consistent id. */
    private final String consistentId;

    /** Remote node's launch id. */
    private final UUID launchId;

    /**
     * Connection id. Every connection between this node and a remote node has a unique connection id, but connections with different nodes
     * may have the same ids.
     */
    private final short connectionId;

    /**
     * Constructor.
     */
    public ChannelKey(String consistentId, UUID launchId, short connectionId) {
        this.consistentId = consistentId;
        this.launchId = launchId;
        this.connectionId = connectionId;
    }

    UUID launchId() {
        return launchId;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        ChannelKey that = (ChannelKey) o;

        if (connectionId != that.connectionId) {
            return false;
        }
        if (!consistentId.equals(that.consistentId)) {
            return false;
        }
        return launchId.equals(that.launchId);
    }

    @Override
    public int hashCode() {
        int result = consistentId.hashCode();
        result = 31 * result + launchId.hashCode();
        result = 31 * result + connectionId;
        return result;
    }

    @Override
    public String toString() {
        return S.toString(ChannelKey.class, this);
    }
}