/*
* Copyright (c) 2008-2017, 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.nio.Address;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.IdentifiedDataSerializable;
import com.hazelcast.version.MemberVersion;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
// Used as request and response in join protocol
public class JoinMessage implements IdentifiedDataSerializable {
protected byte packetVersion;
protected int buildNumber;
/**
* this is populated with the codebase version of the node trying to join the cluster
* (ie {@link com.hazelcast.instance.Node#getVersion()}).
*/
protected MemberVersion memberVersion;
protected Address address;
protected String uuid;
protected boolean liteMember;
protected ConfigCheck configCheck;
protected Collection<Address> memberAddresses;
protected int dataMemberCount;
public JoinMessage() {
}
public JoinMessage(byte packetVersion, int buildNumber, MemberVersion memberVersion, Address address,
String uuid, boolean liteMember, ConfigCheck configCheck) {
this(packetVersion, buildNumber, memberVersion, address, uuid, liteMember, configCheck,
Collections.<Address>emptySet(), 0);
}
public JoinMessage(byte packetVersion, int buildNumber, MemberVersion memberVersion, Address address, String uuid,
boolean liteMember, ConfigCheck configCheck, Collection<Address> memberAddresses, int dataMemberCount) {
this.packetVersion = packetVersion;
this.buildNumber = buildNumber;
this.memberVersion = memberVersion;
this.address = address;
this.uuid = uuid;
this.liteMember = liteMember;
this.configCheck = configCheck;
this.memberAddresses = memberAddresses;
this.dataMemberCount = dataMemberCount;
}
public byte getPacketVersion() {
return packetVersion;
}
public int getBuildNumber() {
return buildNumber;
}
public MemberVersion getMemberVersion() {
return memberVersion;
}
public Address getAddress() {
return address;
}
public String getUuid() {
return uuid;
}
public boolean isLiteMember() {
return liteMember;
}
public ConfigCheck getConfigCheck() {
return configCheck;
}
public int getMemberCount() {
return memberAddresses != null ? memberAddresses.size() : 0;
}
public Collection<Address> getMemberAddresses() {
return memberAddresses != null ? memberAddresses : Collections.<Address>emptySet();
}
public int getDataMemberCount() {
return dataMemberCount;
}
@Override
public void readData(ObjectDataInput in) throws IOException {
packetVersion = in.readByte();
buildNumber = in.readInt();
memberVersion = in.readObject();
address = new Address();
address.readData(in);
uuid = in.readUTF();
configCheck = new ConfigCheck();
configCheck.readData(in);
liteMember = in.readBoolean();
int memberCount = in.readInt();
memberAddresses = new ArrayList<Address>(memberCount);
for (int i = 0; i < memberCount; i++) {
Address member = new Address();
member.readData(in);
memberAddresses.add(member);
}
dataMemberCount = in.readInt();
}
@Override
public void writeData(ObjectDataOutput out) throws IOException {
out.writeByte(packetVersion);
out.writeInt(buildNumber);
out.writeObject(memberVersion);
address.writeData(out);
out.writeUTF(uuid);
configCheck.writeData(out);
out.writeBoolean(liteMember);
int memberCount = getMemberCount();
out.writeInt(memberCount);
if (memberCount > 0) {
for (Address member : memberAddresses) {
member.writeData(out);
}
}
out.writeInt(dataMemberCount);
}
@Override
public String toString() {
return "JoinMessage{"
+ "packetVersion=" + packetVersion
+ ", buildNumber=" + buildNumber
+ ", memberVersion=" + memberVersion
+ ", address=" + address
+ ", uuid='" + uuid + '\''
+ ", liteMember=" + liteMember
+ ", memberCount=" + getMemberCount()
+ ", dataMemberCount=" + dataMemberCount
+ '}';
}
@Override
public int getFactoryId() {
return ClusterDataSerializerHook.F_ID;
}
@Override
public int getId() {
return ClusterDataSerializerHook.JOIN_MESSAGE;
}
}