| /* |
| * 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.streaming; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.List; |
| |
| import org.apache.cassandra.db.TypeSizes; |
| 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; |
| |
| public class StreamRequest |
| { |
| public static final IVersionedSerializer<StreamRequest> serializer = new StreamRequestSerializer(); |
| |
| public final String keyspace; |
| public final Collection<Range<Token>> ranges; |
| public final Collection<String> columnFamilies = new HashSet<>(); |
| public final long repairedAt; |
| public StreamRequest(String keyspace, Collection<Range<Token>> ranges, Collection<String> columnFamilies, long repairedAt) |
| { |
| this.keyspace = keyspace; |
| this.ranges = ranges; |
| this.columnFamilies.addAll(columnFamilies); |
| this.repairedAt = repairedAt; |
| } |
| |
| public static class StreamRequestSerializer implements IVersionedSerializer<StreamRequest> |
| { |
| public void serialize(StreamRequest request, DataOutputPlus out, int version) throws IOException |
| { |
| out.writeUTF(request.keyspace); |
| out.writeLong(request.repairedAt); |
| out.writeInt(request.ranges.size()); |
| for (Range<Token> range : request.ranges) |
| { |
| MessagingService.validatePartitioner(range); |
| Token.serializer.serialize(range.left, out, version); |
| Token.serializer.serialize(range.right, out, version); |
| } |
| out.writeInt(request.columnFamilies.size()); |
| for (String cf : request.columnFamilies) |
| out.writeUTF(cf); |
| } |
| |
| public StreamRequest deserialize(DataInputPlus in, int version) throws IOException |
| { |
| String keyspace = in.readUTF(); |
| long repairedAt = in.readLong(); |
| int rangeCount = in.readInt(); |
| List<Range<Token>> ranges = new ArrayList<>(rangeCount); |
| for (int i = 0; i < rangeCount; i++) |
| { |
| Token left = Token.serializer.deserialize(in, MessagingService.globalPartitioner(), version); |
| Token right = Token.serializer.deserialize(in, MessagingService.globalPartitioner(), version); |
| ranges.add(new Range<>(left, right)); |
| } |
| int cfCount = in.readInt(); |
| List<String> columnFamilies = new ArrayList<>(cfCount); |
| for (int i = 0; i < cfCount; i++) |
| columnFamilies.add(in.readUTF()); |
| return new StreamRequest(keyspace, ranges, columnFamilies, repairedAt); |
| } |
| |
| public long serializedSize(StreamRequest request, int version) |
| { |
| int size = TypeSizes.sizeof(request.keyspace); |
| size += TypeSizes.sizeof(request.repairedAt); |
| size += TypeSizes.sizeof(request.ranges.size()); |
| for (Range<Token> range : request.ranges) |
| { |
| size += Token.serializer.serializedSize(range.left, version); |
| size += Token.serializer.serializedSize(range.right, version); |
| } |
| size += TypeSizes.sizeof(request.columnFamilies.size()); |
| for (String cf : request.columnFamilies) |
| size += TypeSizes.sizeof(cf); |
| return size; |
| } |
| } |
| } |