| /* |
| * 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.gms; |
| |
| import java.io.*; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.cassandra.db.TypeSizes; |
| import org.apache.cassandra.io.IVersionedSerializer; |
| import org.apache.cassandra.io.util.DataOutputPlus; |
| |
| /** |
| * This is the first message that gets sent out as a start of the Gossip protocol in a |
| * round. |
| */ |
| public class GossipDigestSyn |
| { |
| public static final IVersionedSerializer<GossipDigestSyn> serializer = new GossipDigestSynSerializer(); |
| |
| final String clusterId; |
| final String partioner; |
| final List<GossipDigest> gDigests; |
| |
| public GossipDigestSyn(String clusterId, String partioner, List<GossipDigest> gDigests) |
| { |
| this.clusterId = clusterId; |
| this.partioner = partioner; |
| this.gDigests = gDigests; |
| } |
| |
| List<GossipDigest> getGossipDigests() |
| { |
| return gDigests; |
| } |
| } |
| |
| class GossipDigestSerializationHelper |
| { |
| static void serialize(List<GossipDigest> gDigestList, DataOutputPlus out, int version) throws IOException |
| { |
| out.writeInt(gDigestList.size()); |
| for (GossipDigest gDigest : gDigestList) |
| GossipDigest.serializer.serialize(gDigest, out, version); |
| } |
| |
| static List<GossipDigest> deserialize(DataInput in, int version) throws IOException |
| { |
| int size = in.readInt(); |
| List<GossipDigest> gDigests = new ArrayList<GossipDigest>(size); |
| for (int i = 0; i < size; ++i) |
| gDigests.add(GossipDigest.serializer.deserialize(in, version)); |
| return gDigests; |
| } |
| |
| static int serializedSize(List<GossipDigest> digests, int version) |
| { |
| int size = TypeSizes.NATIVE.sizeof(digests.size()); |
| for (GossipDigest digest : digests) |
| size += GossipDigest.serializer.serializedSize(digest, version); |
| return size; |
| } |
| } |
| |
| class GossipDigestSynSerializer implements IVersionedSerializer<GossipDigestSyn> |
| { |
| public void serialize(GossipDigestSyn gDigestSynMessage, DataOutputPlus out, int version) throws IOException |
| { |
| out.writeUTF(gDigestSynMessage.clusterId); |
| out.writeUTF(gDigestSynMessage.partioner); |
| GossipDigestSerializationHelper.serialize(gDigestSynMessage.gDigests, out, version); |
| } |
| |
| public GossipDigestSyn deserialize(DataInput in, int version) throws IOException |
| { |
| String clusterId = in.readUTF(); |
| String partioner = null; |
| partioner = in.readUTF(); |
| List<GossipDigest> gDigests = GossipDigestSerializationHelper.deserialize(in, version); |
| return new GossipDigestSyn(clusterId, partioner, gDigests); |
| } |
| |
| public long serializedSize(GossipDigestSyn syn, int version) |
| { |
| long size = TypeSizes.NATIVE.sizeof(syn.clusterId); |
| size += TypeSizes.NATIVE.sizeof(syn.partioner); |
| size += GossipDigestSerializationHelper.serializedSize(syn.gDigests, version); |
| return size; |
| } |
| } |
| |