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.hints;
  
  import java.io.IOException;
  import java.util.UUID;
  
  import com.google.common.primitives.Ints;
  
  import org.apache.cassandra.db.TypeSizes;
  import org.apache.cassandra.exceptions.CoordinatorBehindException;
  import org.apache.cassandra.exceptions.UnknownTableException;
  import org.apache.cassandra.io.IVersionedAsymmetricSerializer;
  import org.apache.cassandra.io.util.DataInputPlus;
  import org.apache.cassandra.io.util.DataOutputPlus;
  import org.apache.cassandra.io.util.TrackedDataInputPlus;
  import org.apache.cassandra.schema.TableId;
  import org.apache.cassandra.utils.UUIDSerializer;
  
  // Fake serializer for dtests. Located in hints package to avoid publishing package-private fields.
  public class DTestSerializer implements IVersionedAsymmetricSerializer<SerializableHintMessage, HintMessage>
  {
      public void serialize(SerializableHintMessage obj, DataOutputPlus out, int version) throws IOException
      {
          HintMessage message;
          if (!(obj instanceof HintMessage) || (message = (HintMessage) obj).hint != null)
          {
              HintMessage.serializer.serialize(obj, out, version);
              return;
          }
  
          UUIDSerializer.serializer.serialize(message.hostId, out, version);
          out.writeUnsignedVInt32(0);
          message.unknownTableID.serialize(out);
      }
  
      public HintMessage deserialize(DataInputPlus in, int version) throws IOException
      {
          UUID hostId = UUIDSerializer.serializer.deserialize(in, version);
  
          long hintSize = in.readUnsignedVInt();
          TrackedDataInputPlus countingIn = new TrackedDataInputPlus(in);
          if (hintSize == 0)
              return new HintMessage(hostId, TableId.deserialize(countingIn));
  
          try
          {
              return new HintMessage(hostId, Hint.serializer.deserialize(countingIn, version));
          }
          catch (UnknownTableException | CoordinatorBehindException e)
          {
              in.skipBytes(Ints.checkedCast(hintSize - countingIn.getBytesRead()));
              TableId tableId = ((UnknownTableException) (e instanceof CoordinatorBehindException ? e.getCause() : e)).id;
              return new HintMessage(hostId, tableId);
          }
      }
  
      public long serializedSize(SerializableHintMessage obj, int version)
      {
          HintMessage message;
          if (!(obj instanceof HintMessage) || (message = (HintMessage) obj).hint != null)
              return HintMessage.serializer.serializedSize(obj, version);
  
          long size = UUIDSerializer.serializer.serializedSize(message.hostId, version);
          size += TypeSizes.sizeofUnsignedVInt(0);
          size += UUIDSerializer.serializer.serializedSize(message.unknownTableID.asUUID(), version);
          return size;
      }
  }
  