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.sidecar.client;
  
  import java.util.Objects;
  
  /**
   * A simple implementation of the {@link SidecarInstance} interface
   */
  public class SidecarInstanceImpl implements SidecarInstance
  {
      protected int port;
      protected String hostname;
  
      /**
       * Constructs a new Sidecar instance with the given {@code port} and {@code hostname}
       *
       * @param hostname the host name where Sidecar is running
       * @param port     the port where Sidecar is running
       */
      public SidecarInstanceImpl(String hostname, int port)
      {
          if (port < 1 || port > 65535)
          {
              throw new IllegalArgumentException(String.format("Invalid port number for the Sidecar service: %d",
                                                               port));
          }
          this.port = port;
          this.hostname = Objects.requireNonNull(hostname, "The Sidecar hostname must be non-null");
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public int port()
      {
          return port;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public String hostname()
      {
          return hostname;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public boolean equals(Object o)
      {
          if (this == o)
          {
              return true;
          }
          if (o == null || getClass() != o.getClass())
          {
              return false;
          }
          SidecarInstanceImpl that = (SidecarInstanceImpl) o;
          return port == that.port && Objects.equals(hostname, that.hostname);
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public int hashCode()
      {
          return Objects.hash(port, hostname);
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public String toString()
      {
          return "SidecarInstanceImpl{" +
                 "port=" + port +
                 ", hostname='" + hostname + '\'' +
                 '}';
      }
  }
  