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.clients.admin;
  
  import java.util.Collections;
  import java.util.List;
  
  /**
   * A partition reassignment, which has been listed via {@link AdminClient#listPartitionReassignments()}.
   */
  public class PartitionReassignment {
  
      private final List<Integer> replicas;
      private final List<Integer> addingReplicas;
      private final List<Integer> removingReplicas;
  
      public PartitionReassignment(List<Integer> replicas, List<Integer> addingReplicas, List<Integer> removingReplicas) {
          this.replicas = Collections.unmodifiableList(replicas);
          this.addingReplicas = Collections.unmodifiableList(addingReplicas);
          this.removingReplicas = Collections.unmodifiableList(removingReplicas);
      }
  
      /**
       * The brokers which this partition currently resides on.
       */
      public List<Integer> replicas() {
          return replicas;
      }
  
      /**
       * The brokers that we are adding this partition to as part of a reassignment.
       * A subset of replicas.
       */
      public List<Integer> addingReplicas() {
          return addingReplicas;
      }
  
      /**
       * The brokers that we are removing this partition from as part of a reassignment.
       * A subset of replicas.
       */
      public List<Integer> removingReplicas() {
          return removingReplicas;
      }
  
      @Override
      public String toString() {
          return "PartitionReassignment(" +
                  "replicas=" + replicas +
                  ", addingReplicas=" + addingReplicas +
                  ", removingReplicas=" + removingReplicas +
                  ')';
      }
  }
  