| /* |
| * 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.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.UUID; |
| |
| import com.google.common.base.Preconditions; |
| |
| import org.apache.cassandra.db.TypeSizes; |
| import org.apache.cassandra.dht.IPartitioner; |
| import org.apache.cassandra.dht.Range; |
| import org.apache.cassandra.dht.Token; |
| import org.apache.cassandra.io.IVersionedSerializer; |
| import org.apache.cassandra.io.util.DataInputPlus; |
| import org.apache.cassandra.io.util.DataOutputPlus; |
| import org.apache.cassandra.net.MessagingService; |
| import org.apache.cassandra.schema.TableId; |
| import org.apache.cassandra.streaming.PreviewKind; |
| import org.apache.cassandra.utils.UUIDSerializer; |
| |
| |
| public class PrepareMessage extends RepairMessage |
| { |
| public final List<TableId> tableIds; |
| public final Collection<Range<Token>> ranges; |
| |
| public final UUID parentRepairSession; |
| public final boolean isIncremental; |
| public final long timestamp; |
| public final boolean isGlobal; |
| public final PreviewKind previewKind; |
| |
| public PrepareMessage(UUID parentRepairSession, List<TableId> tableIds, Collection<Range<Token>> ranges, boolean isIncremental, long timestamp, boolean isGlobal, PreviewKind previewKind) |
| { |
| super(null); |
| this.parentRepairSession = parentRepairSession; |
| this.tableIds = tableIds; |
| this.ranges = ranges; |
| this.isIncremental = isIncremental; |
| this.timestamp = timestamp; |
| this.isGlobal = isGlobal; |
| this.previewKind = previewKind; |
| } |
| |
| @Override |
| public boolean equals(Object o) |
| { |
| if (!(o instanceof PrepareMessage)) |
| return false; |
| PrepareMessage other = (PrepareMessage) o; |
| return parentRepairSession.equals(other.parentRepairSession) && |
| isIncremental == other.isIncremental && |
| isGlobal == other.isGlobal && |
| previewKind == other.previewKind && |
| timestamp == other.timestamp && |
| tableIds.equals(other.tableIds) && |
| ranges.equals(other.ranges); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return Objects.hash(parentRepairSession, isGlobal, previewKind, isIncremental, timestamp, tableIds, ranges); |
| } |
| |
| private static final String MIXED_MODE_ERROR = "Some nodes involved in repair are on an incompatible major version. " + |
| "Repair is not supported in mixed major version clusters."; |
| |
| public static final IVersionedSerializer<PrepareMessage> serializer = new IVersionedSerializer<PrepareMessage>() |
| { |
| public void serialize(PrepareMessage message, DataOutputPlus out, int version) throws IOException |
| { |
| Preconditions.checkArgument(version == MessagingService.current_version, MIXED_MODE_ERROR); |
| |
| out.writeInt(message.tableIds.size()); |
| for (TableId tableId : message.tableIds) |
| tableId.serialize(out); |
| UUIDSerializer.serializer.serialize(message.parentRepairSession, out, version); |
| out.writeInt(message.ranges.size()); |
| for (Range<Token> r : message.ranges) |
| { |
| IPartitioner.validate(r); |
| Range.tokenSerializer.serialize(r, out, version); |
| } |
| out.writeBoolean(message.isIncremental); |
| out.writeLong(message.timestamp); |
| out.writeBoolean(message.isGlobal); |
| out.writeInt(message.previewKind.getSerializationVal()); |
| } |
| |
| public PrepareMessage deserialize(DataInputPlus in, int version) throws IOException |
| { |
| Preconditions.checkArgument(version == MessagingService.current_version, MIXED_MODE_ERROR); |
| |
| int tableIdCount = in.readInt(); |
| List<TableId> tableIds = new ArrayList<>(tableIdCount); |
| for (int i = 0; i < tableIdCount; i++) |
| tableIds.add(TableId.deserialize(in)); |
| UUID parentRepairSession = UUIDSerializer.serializer.deserialize(in, version); |
| int rangeCount = in.readInt(); |
| List<Range<Token>> ranges = new ArrayList<>(rangeCount); |
| for (int i = 0; i < rangeCount; i++) |
| ranges.add((Range<Token>) Range.tokenSerializer.deserialize(in, IPartitioner.global(), version)); |
| boolean isIncremental = in.readBoolean(); |
| long timestamp = in.readLong(); |
| boolean isGlobal = in.readBoolean(); |
| PreviewKind previewKind = PreviewKind.deserialize(in.readInt()); |
| return new PrepareMessage(parentRepairSession, tableIds, ranges, isIncremental, timestamp, isGlobal, previewKind); |
| } |
| |
| public long serializedSize(PrepareMessage message, int version) |
| { |
| long size; |
| size = TypeSizes.sizeof(message.tableIds.size()); |
| for (TableId tableId : message.tableIds) |
| size += tableId.serializedSize(); |
| size += UUIDSerializer.serializer.serializedSize(message.parentRepairSession, version); |
| size += TypeSizes.sizeof(message.ranges.size()); |
| for (Range<Token> r : message.ranges) |
| size += Range.tokenSerializer.serializedSize(r, version); |
| size += TypeSizes.sizeof(message.isIncremental); |
| size += TypeSizes.sizeof(message.timestamp); |
| size += TypeSizes.sizeof(message.isGlobal); |
| size += TypeSizes.sizeof(message.previewKind.getSerializationVal()); |
| return size; |
| } |
| }; |
| |
| @Override |
| public String toString() |
| { |
| return "PrepareMessage{" + |
| "tableIds='" + tableIds + '\'' + |
| ", ranges=" + ranges + |
| ", parentRepairSession=" + parentRepairSession + |
| ", isIncremental=" + isIncremental + |
| ", timestamp=" + timestamp + |
| ", isGlobal=" + isGlobal + |
| '}'; |
| } |
| } |