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.streams.processor.internals.namedtopology;
  
  import org.apache.kafka.common.KafkaFuture;
  import org.apache.kafka.streams.errors.StreamsException;
  
  import java.util.concurrent.ExecutionException;
  
  @Deprecated
  public class AddNamedTopologyResult {
  
      private final KafkaFuture<Void> addTopologyFuture;
  
      public AddNamedTopologyResult(final KafkaFuture<Void> addTopologyFuture) {
          this.addTopologyFuture = addTopologyFuture;
      }
  
      /**
       * @return a {@link KafkaFuture} that completes successfully when all threads on this client have picked up the
       * new {@link NamedTopology}. Note that the new topology is not guaranteed to begin processing on this client or
       * any others until its addition has been completed by all instances of the application.
       */
      public KafkaFuture<Void> all() {
          return addTopologyFuture;
      }
  
      /**
       * Boiler plate to get the root cause as a StreamsException if completed exceptionally, otherwise returns {@code null}.
       * Non-blocking.
       */
      public StreamsException exceptionNow() {
          try {
              addTopologyFuture.getNow(null);
              return null;
          } catch (final ExecutionException e) {
              if (e.getCause() instanceof StreamsException) {
                  return (StreamsException) e.getCause();
              } else {
                  return new StreamsException(e.getCause());
              }
          } catch (final InterruptedException e) {
              return null;
          }
      }
  }