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 org.apache.kafka.common.KafkaFuture;
  import org.apache.kafka.common.TopicCollection;
  import org.apache.kafka.common.Uuid;
  
  import java.util.Collection;
  import java.util.Map;
  
  /**
   * The result of the {@link Admin#deleteTopics(Collection)} call.
   */
  public class DeleteTopicsResult {
      private final Map<Uuid, KafkaFuture<Void>> topicIdFutures;
      private final Map<String, KafkaFuture<Void>> nameFutures;
  
      protected DeleteTopicsResult(Map<Uuid, KafkaFuture<Void>> topicIdFutures, Map<String, KafkaFuture<Void>> nameFutures) {
          if (topicIdFutures != null && nameFutures != null)
              throw new IllegalArgumentException("topicIdFutures and nameFutures cannot both be specified.");
          if (topicIdFutures == null && nameFutures == null)
              throw new IllegalArgumentException("topicIdFutures and nameFutures cannot both be null.");
          this.topicIdFutures = topicIdFutures;
          this.nameFutures = nameFutures;
      }
  
      static DeleteTopicsResult ofTopicIds(Map<Uuid, KafkaFuture<Void>> topicIdFutures) {
          return new DeleteTopicsResult(topicIdFutures, null);
      }
  
      static DeleteTopicsResult ofTopicNames(Map<String, KafkaFuture<Void>> nameFutures) {
          return new DeleteTopicsResult(null, nameFutures);
      }
  
      /**
       * Use when {@link Admin#deleteTopics(TopicCollection, DeleteTopicsOptions)} used a TopicIdCollection
       * @return a map from topic IDs to futures which can be used to check the status of
       * individual deletions if the deleteTopics request used topic IDs. Otherwise return null.
       */
      public Map<Uuid, KafkaFuture<Void>> topicIdValues() {
          return topicIdFutures;
      }
  
      /**
       * Use when {@link Admin#deleteTopics(TopicCollection, DeleteTopicsOptions)} used a TopicNameCollection
       * @return a map from topic names to futures which can be used to check the status of
       * individual deletions if the deleteTopics request used topic names. Otherwise return null.
       */
      public Map<String, KafkaFuture<Void>> topicNameValues() {
          return nameFutures;
      }
  
      /**
       * @return a future which succeeds only if all the topic deletions succeed.
       */
      public KafkaFuture<Void> all() {
          return (topicIdFutures == null) ? KafkaFuture.allOf(nameFutures.values().toArray(new KafkaFuture<?>[0])) :
              KafkaFuture.allOf(topicIdFutures.values().toArray(new KafkaFuture<?>[0]));
      }
  }
  