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.tcm.transformations.cms;
  
  import java.io.IOException;
  import java.util.Objects;
  
  import org.apache.cassandra.io.util.DataInputPlus;
  import org.apache.cassandra.io.util.DataOutputPlus;
  import org.apache.cassandra.locator.InetAddressAndPort;
  import org.apache.cassandra.locator.MetaStrategy;
  import org.apache.cassandra.locator.Replica;
  import org.apache.cassandra.tcm.Transformation;
  import org.apache.cassandra.tcm.serialization.AsymmetricMetadataSerializer;
  import org.apache.cassandra.tcm.serialization.Version;
  
  public abstract class BaseMembershipTransformation implements Transformation
  {
      protected final InetAddressAndPort endpoint;
      protected final Replica replica;
  
      protected BaseMembershipTransformation(InetAddressAndPort endpoint)
      {
          this.endpoint = endpoint;
          this.replica = MetaStrategy.replica(endpoint);
      }
  
      // TODO: to node id
      public InetAddressAndPort getEndpoint()
      {
          return endpoint;
      }
  
      public static abstract class SerializerBase<T extends BaseMembershipTransformation> implements AsymmetricMetadataSerializer<Transformation, T>
      {
          public void serialize(Transformation t, DataOutputPlus out, Version version) throws IOException
          {
              T transformation = (T) t;
              InetAddressAndPort.MetadataSerializer.serializer.serialize(transformation.endpoint, out, version);
          }
  
          public T deserialize(DataInputPlus in, Version version) throws IOException
          {
              InetAddressAndPort addr = InetAddressAndPort.MetadataSerializer.serializer.deserialize(in, version);
              return createTransformation(addr);
          }
  
          public long serializedSize(Transformation t, Version version)
          {
              T transformation = (T) t;
              return InetAddressAndPort.MetadataSerializer.serializer.serializedSize(transformation.endpoint, version);
          }
  
          public abstract T createTransformation(InetAddressAndPort addr);
      }
  
      public String toString()
      {
          return getClass().getSimpleName() + '{' +
                 "endpoint=" + endpoint +
                 ", replica=" + replica +
                 '}';
      }
  
      @Override
      public boolean equals(Object o)
      {
          if (this == o) return true;
          if (!(o instanceof BaseMembershipTransformation)) return false;
          BaseMembershipTransformation that = (BaseMembershipTransformation) o;
          return Objects.equals(endpoint, that.endpoint) && Objects.equals(replica, that.replica);
      }
  
      @Override
      public int hashCode()
      {
          return Objects.hash(kind(), endpoint, replica);
      }
  }
  