content: /*
   * 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.messages;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.Collection;
  
  import org.apache.cassandra.io.util.DataInputPlus;
  import org.apache.cassandra.streaming.StreamSession;
  import org.apache.cassandra.streaming.StreamSummary;
  import org.apache.cassandra.streaming.StreamingDataOutputPlus;
  
  public class PrepareSynAckMessage extends StreamMessage
  {
      public static Serializer<PrepareSynAckMessage> serializer = new Serializer<PrepareSynAckMessage>()
      {
          public void serialize(PrepareSynAckMessage message, StreamingDataOutputPlus out, int version, StreamSession session) throws IOException
          {
              out.writeInt(message.summaries.size());
              for (StreamSummary summary : message.summaries)
                  StreamSummary.serializer.serialize(summary, out, version);
          }
  
          public PrepareSynAckMessage deserialize(DataInputPlus input, int version) throws IOException
          {
              PrepareSynAckMessage message = new PrepareSynAckMessage();
              int numSummaries = input.readInt();
              for (int i = 0; i < numSummaries; i++)
                  message.summaries.add(StreamSummary.serializer.deserialize(input, version));
              return message;
          }
  
          public long serializedSize(PrepareSynAckMessage message, int version)
          {
              long size = 4; // count of requests and count of summaries
              for (StreamSummary summary : message.summaries)
                  size += StreamSummary.serializer.serializedSize(summary, version);
              return size;
          }
      };
  
      /**
       * Summaries of streaming out
       */
      public final Collection<StreamSummary> summaries = new ArrayList<>();
  
      public PrepareSynAckMessage()
      {
          super(Type.PREPARE_SYNACK);
      }
  
      @Override
      public String toString()
      {
          final StringBuilder sb = new StringBuilder("Prepare SYNACK (");
          int totalFile = 0;
          for (StreamSummary summary : summaries)
              totalFile += summary.files;
          sb.append(" ").append(totalFile).append(" files");
          sb.append('}');
          return sb.toString();
      }
  }
  