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/*
* Copyright 1999-2018 Alibaba Group Holding Ltd.
*
* Licensed 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 com.alibaba.nacos.naming.raft;
import org.apache.commons.lang3.RandomUtils;
import org.apache.commons.lang3.StringUtils;
import java.util.Objects;
import java.util.concurrent.atomic.AtomicLong;
/**
* @author nacos
*/
public class RaftPeer {
public String ip;
public String voteFor;
public AtomicLong term = new AtomicLong(0L);
public volatile long leaderDueMs = RandomUtils.nextLong(0, GlobalExecutor.LEADER_TIMEOUT_MS);
public volatile long heartbeatDueMs = RandomUtils.nextLong(0, GlobalExecutor.HEARTBEAT_INTERVAL_MS);
public State state = State.FOLLOWER;
public void resetLeaderDue() {
leaderDueMs = GlobalExecutor.LEADER_TIMEOUT_MS + RandomUtils.nextLong(0, GlobalExecutor.RANDOM_MS);
}
public void resetHeartbeatDue() {
heartbeatDueMs = GlobalExecutor.HEARTBEAT_INTERVAL_MS;
}
public enum State {
/**
* Leader of the cluster, only one leader stands in a cluster
*/
LEADER,
/**
* Follower of the cluster, report to and copy from leader
*/
FOLLOWER,
/**
* Candidate leader to be elected
*/
CANDIDATE
}
@Override
public int hashCode() {
return Objects.hash(ip);
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (!(obj instanceof RaftPeer)) {
return false;
}
RaftPeer other = (RaftPeer) obj;
return StringUtils.equals(ip, other.ip);
}
}