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.service.accord.serializers;
  
  import java.io.IOException;
  
  import accord.messages.SimpleReply;
  import org.apache.cassandra.db.TypeSizes;
  import org.apache.cassandra.io.UnversionedSerializer;
  import org.apache.cassandra.io.util.DataInputPlus;
  import org.apache.cassandra.io.util.DataOutputPlus;
  
  public class EnumSerializer<E extends Enum<E>> implements UnversionedSerializer<E>
  {
      public static final EnumSerializer<SimpleReply> simpleReply = new EnumSerializer<>(SimpleReply.class);
  
      final E[] values;
  
      public EnumSerializer(Class<E> clazz)
      {
          this.values = clazz.getEnumConstants();
      }
  
      public E forOrdinal(int ordinal)
      {
          return values[ordinal];
      }
  
      @Override
      public void serialize(E t, DataOutputPlus out) throws IOException
      {
          out.writeUnsignedVInt32(t.ordinal());
      }
  
      @Override
      public E deserialize(DataInputPlus in) throws IOException
      {
          return values[in.readUnsignedVInt32()];
      }
  
      @Override
      public long serializedSize(E t)
      {
          return TypeSizes.sizeofUnsignedVInt(t.ordinal());
      }
  }
  