| /* |
| * 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.cassandra.repair.messages; |
| |
| import java.io.IOException; |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.UUID; |
| |
| import com.google.common.collect.ImmutableSet; |
| |
| import org.apache.cassandra.db.TypeSizes; |
| import org.apache.cassandra.io.IVersionedSerializer; |
| import org.apache.cassandra.io.util.DataInputPlus; |
| import org.apache.cassandra.io.util.DataOutputPlus; |
| import org.apache.cassandra.locator.InetAddressAndPort; |
| import org.apache.cassandra.utils.UUIDSerializer; |
| |
| import static org.apache.cassandra.locator.InetAddressAndPort.Serializer.inetAddressAndPortSerializer; |
| |
| public class PrepareConsistentRequest extends RepairMessage |
| { |
| public final UUID parentSession; |
| public final InetAddressAndPort coordinator; |
| public final Set<InetAddressAndPort> participants; |
| |
| public PrepareConsistentRequest(UUID parentSession, InetAddressAndPort coordinator, Set<InetAddressAndPort> participants) |
| { |
| super(null); |
| assert parentSession != null; |
| assert coordinator != null; |
| assert participants != null && !participants.isEmpty(); |
| this.parentSession = parentSession; |
| this.coordinator = coordinator; |
| this.participants = ImmutableSet.copyOf(participants); |
| } |
| |
| public boolean equals(Object o) |
| { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| PrepareConsistentRequest that = (PrepareConsistentRequest) o; |
| |
| if (!parentSession.equals(that.parentSession)) return false; |
| if (!coordinator.equals(that.coordinator)) return false; |
| return participants.equals(that.participants); |
| } |
| |
| public int hashCode() |
| { |
| int result = parentSession.hashCode(); |
| result = 31 * result + coordinator.hashCode(); |
| result = 31 * result + participants.hashCode(); |
| return result; |
| } |
| |
| public String toString() |
| { |
| return "PrepareConsistentRequest{" + |
| "parentSession=" + parentSession + |
| ", coordinator=" + coordinator + |
| ", participants=" + participants + |
| '}'; |
| } |
| |
| public static final IVersionedSerializer<PrepareConsistentRequest> serializer = new IVersionedSerializer<PrepareConsistentRequest>() |
| { |
| public void serialize(PrepareConsistentRequest request, DataOutputPlus out, int version) throws IOException |
| { |
| UUIDSerializer.serializer.serialize(request.parentSession, out, version); |
| inetAddressAndPortSerializer.serialize(request.coordinator, out, version); |
| out.writeInt(request.participants.size()); |
| for (InetAddressAndPort peer : request.participants) |
| { |
| inetAddressAndPortSerializer.serialize(peer, out, version); |
| } |
| } |
| |
| public PrepareConsistentRequest deserialize(DataInputPlus in, int version) throws IOException |
| { |
| UUID sessionId = UUIDSerializer.serializer.deserialize(in, version); |
| InetAddressAndPort coordinator = inetAddressAndPortSerializer.deserialize(in, version); |
| int numPeers = in.readInt(); |
| Set<InetAddressAndPort> peers = new HashSet<>(numPeers); |
| for (int i = 0; i < numPeers; i++) |
| { |
| InetAddressAndPort peer = inetAddressAndPortSerializer.deserialize(in, version); |
| peers.add(peer); |
| } |
| return new PrepareConsistentRequest(sessionId, coordinator, peers); |
| } |
| |
| public long serializedSize(PrepareConsistentRequest request, int version) |
| { |
| long size = UUIDSerializer.serializer.serializedSize(request.parentSession, version); |
| size += inetAddressAndPortSerializer.serializedSize(request.coordinator, version); |
| size += TypeSizes.sizeof(request.participants.size()); |
| for (InetAddressAndPort peer : request.participants) |
| { |
| size += inetAddressAndPortSerializer.serializedSize(peer, version); |
| } |
| return size; |
| } |
| }; |
| } |