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/*
* Copyright (c) 2008-2020, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.internal.cluster.impl;
import com.hazelcast.cluster.Address;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.version.MemberVersion;
import com.hazelcast.version.Version;
import java.io.IOException;
import java.util.Collection;
import java.util.UUID;
/**
* A {@code JoinMessage} issued by the master node of a subcluster to the master of another subcluster
* while searching for other clusters for split brain recovery.
*/
public class SplitBrainJoinMessage extends JoinMessage {
public enum SplitBrainMergeCheckResult {
/**
* Denotes that the two endpoints of the SplitBrainJoinMessage cannot merge to each other
*/
CANNOT_MERGE,
/**
* Denotes that the local node should merge to the other endpoint of the SplitBrainJoinMessage
*/
LOCAL_NODE_SHOULD_MERGE,
/**
* Denotes that the remote node that sent the SplitBrainJoinMessage should merge
*/
REMOTE_NODE_SHOULD_MERGE
}
private Version clusterVersion;
private int memberListVersion;
public SplitBrainJoinMessage() {
}
@SuppressWarnings("checkstyle:parameternumber")
public SplitBrainJoinMessage(byte packetVersion, int buildNumber, MemberVersion version, Address address, UUID uuid,
boolean liteMember, ConfigCheck configCheck, Collection memberAddresses,
int dataMemberCount, Version clusterVersion, int memberListVersion) {
super(packetVersion, buildNumber, version, address, uuid, liteMember, configCheck, memberAddresses, dataMemberCount);
this.clusterVersion = clusterVersion;
this.memberListVersion = memberListVersion;
}
@Override
public void readData(ObjectDataInput in)
throws IOException {
super.readData(in);
clusterVersion = in.readObject();
memberListVersion = in.readInt();
}
@Override
public void writeData(ObjectDataOutput out)
throws IOException {
super.writeData(out);
out.writeObject(clusterVersion);
out.writeInt(memberListVersion);
}
@Override
public String toString() {
return "SplitBrainJoinMessage{"
+ "packetVersion=" + packetVersion
+ ", buildNumber=" + buildNumber
+ ", memberVersion=" + memberVersion
+ ", clusterVersion=" + clusterVersion
+ ", address=" + address
+ ", uuid='" + uuid + '\''
+ ", liteMember=" + liteMember
+ ", memberCount=" + getMemberCount()
+ ", dataMemberCount=" + dataMemberCount
+ ", memberListVersion=" + memberListVersion
+ '}';
}
@Override
public int getFactoryId() {
return ClusterDataSerializerHook.F_ID;
}
@Override
public int getClassId() {
return ClusterDataSerializerHook.SPLIT_BRAIN_JOIN_MESSAGE;
}
public Version getClusterVersion() {
return clusterVersion;
}
public int getMemberListVersion() {
return memberListVersion;
}
}