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.TopicPartition;
  import org.apache.kafka.common.internals.KafkaFutureImpl;
  import org.apache.kafka.common.protocol.Errors;
  
  import java.util.Map;
  import java.util.Set;
  
  /**
   * The result of the {@link Admin#deleteConsumerGroupOffsets(String, Set)} call.
   */
  public class DeleteConsumerGroupOffsetsResult {
      private final KafkaFuture<Map<TopicPartition, Errors>> future;
      private final Set<TopicPartition> partitions;
  
  
      DeleteConsumerGroupOffsetsResult(KafkaFuture<Map<TopicPartition, Errors>> future, Set<TopicPartition> partitions) {
          this.future = future;
          this.partitions = partitions;
      }
  
      /**
       * Return a future which can be used to check the result for a given partition.
       */
      public KafkaFuture<Void> partitionResult(final TopicPartition partition) {
          if (!partitions.contains(partition)) {
              throw new IllegalArgumentException("Partition " + partition + " was not included in the original request");
          }
          final KafkaFutureImpl<Void> result = new KafkaFutureImpl<>();
  
          this.future.whenComplete((topicPartitions, throwable) -> {
              if (throwable != null) {
                  result.completeExceptionally(throwable);
              } else if (!maybeCompleteExceptionally(topicPartitions, partition, result)) {
                  result.complete(null);
              }
          });
          return result;
      }
  
      /**
       * Return a future which succeeds only if all the deletions succeed.
       * If not, the first partition error shall be returned.
       */
      public KafkaFuture<Void> all() {
          final KafkaFutureImpl<Void> result = new KafkaFutureImpl<>();
  
          this.future.whenComplete((topicPartitions, throwable) -> {
              if (throwable != null) {
                  result.completeExceptionally(throwable);
              } else {
                  for (TopicPartition partition : partitions) {
                      if (maybeCompleteExceptionally(topicPartitions, partition, result)) {
                          return;
                      }
                  }
                  result.complete(null);
              }
          });
          return result;
      }
  
      private boolean maybeCompleteExceptionally(Map<TopicPartition, Errors> partitionLevelErrors,
                                                 TopicPartition partition,
                                                 KafkaFutureImpl<Void> result) {
          Throwable exception = KafkaAdminClient.getSubLevelError(partitionLevelErrors, partition,
              "Offset deletion result for partition \"" + partition + "\" was not included in the response");
          if (exception != null) {
              result.completeExceptionally(exception);
              return true;
          } else {
              return false;
          }
      }
  }
  