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Java library for cluster communications and computing.

There is a newer version: 4.1.3

/*
 * Copyright 2020 The Hekate Project
 *
 * The Hekate Project 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 io.hekate.cluster.internal.gossip;

import io.hekate.cluster.ClusterNodeId;

public abstract class GossipNodeInfoBase {
    public abstract ClusterNodeId id();

    public abstract GossipNodeStatus status();

    public abstract long version();

    public GossipPrecedence compare(GossipNodeInfoBase other) {
        int cmp = status().compareTo(other.status());

        long thisVer = version();
        long otherVer = other.version();

        if (cmp == 0) {
            return thisVer == otherVer ? GossipPrecedence.SAME : thisVer > otherVer ? GossipPrecedence.AFTER : GossipPrecedence.BEFORE;
        } else if (cmp < 0) {
            return thisVer <= otherVer ? GossipPrecedence.BEFORE : GossipPrecedence.CONCURRENT;
        } else {
            return thisVer >= otherVer ? GossipPrecedence.AFTER : GossipPrecedence.CONCURRENT;
        }
    }
}