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.kafka.metadata.placement;
  
  import org.apache.kafka.common.annotation.InterfaceStability;
  
  import java.util.Objects;
  import java.util.Optional;
  
  
  /**
   * A broker where a replica can be placed.
   */
  @InterfaceStability.Unstable
  public class UsableBroker {
      private final int id;
  
      private final Optional<String> rack;
  
      private final boolean fenced;
  
      public UsableBroker(int id, Optional<String> rack, boolean fenced) {
          this.id = id;
          this.rack = rack;
          this.fenced = fenced;
      }
  
      public int id() {
          return id;
      }
  
      public Optional<String> rack() {
          return rack;
      }
  
      public boolean fenced() {
          return fenced;
      }
  
      @Override
      public boolean equals(Object o) {
          if (!(o instanceof UsableBroker other)) return false;
          return other.id == id && other.rack.equals(rack) && other.fenced == fenced;
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(id,
              rack,
              fenced);
      }
  
      @Override
      public String toString() {
          return "UsableBroker" +
              "(id=" + id +
              ", rack=" + rack +
              ", fenced=" + fenced +
              ")";
      }
  }
  