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.errors;
  
  import org.apache.kafka.common.KafkaException;
  import org.apache.kafka.streams.processor.TaskId;
  
  import java.util.Optional;
  
  /**
   * {@link StreamsException} is the top-level exception type generated by Kafka Streams, and indicates errors have
   * occurred during a {@link org.apache.kafka.streams.processor.internals.StreamThread StreamThread's} processing. It
   * is guaranteed that any exception thrown up to the {@link StreamsUncaughtExceptionHandler} will be of the type
   * {@code StreamsException}. For example, any user exceptions will be wrapped as a {@code StreamsException}.
   */
  public class StreamsException extends KafkaException {
  
      private static final long serialVersionUID = 1L;
  
      private TaskId taskId;
  
      public StreamsException(final String message) {
          this(message, (TaskId) null);
      }
  
      public StreamsException(final String message, final TaskId taskId) {
          super(message);
          this.taskId = taskId;
      }
  
      public StreamsException(final String message, final Throwable throwable) {
          this(message, throwable, null);
      }
  
      public StreamsException(final String message, final Throwable throwable, final TaskId taskId) {
          super(message, throwable);
          this.taskId = taskId;
      }
  
      public StreamsException(final Throwable throwable) {
          this(throwable, null);
      }
  
      public StreamsException(final Throwable throwable, final TaskId taskId) {
          super(throwable);
          this.taskId = taskId;
      }
  
      /**
       * @return The {@link TaskId} that this exception originated from, or {@link Optional#empty()} if the exception
       *         cannot be traced back to a particular task. Note that the {@code TaskId} being empty does not
       *         guarantee that the exception wasn't directly related to a specific task.
       */
      public Optional<TaskId> taskId() {
          return Optional.ofNullable(taskId);
      }
  
      public void setTaskId(final TaskId taskId) {
          this.taskId = taskId;
      }
  }
  