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;
  
  public interface StreamsUncaughtExceptionHandler {
      /**
       * Inspect the exception received in a stream thread and respond with an action.
       *
       * @param exception
       *     The actual exception.
       *
       * @return Whether to replace the failed thread, or to shut down the client or the whole application.
       */
      StreamThreadExceptionResponse handle(final Throwable exception);
  
      /**
       * Enumeration that describes the response from the exception handler.
       */
      enum StreamThreadExceptionResponse {
          /** Replace the failed thread with a new one. */
          REPLACE_THREAD(0, "REPLACE_THREAD"),
          /** Shut down the client. */
          SHUTDOWN_CLIENT(1, "SHUTDOWN_KAFKA_STREAMS_CLIENT"),
          /** Try to shut down the whole application. */
          SHUTDOWN_APPLICATION(2, "SHUTDOWN_KAFKA_STREAMS_APPLICATION");
  
          /**
           * An english description for the used option. This is for debugging only and may change.
           */
          public final String name;
  
          /**
           * The permanent and immutable id for the used option. This can't change ever.
           */
          public final int id;
  
          StreamThreadExceptionResponse(final int id, final String name) {
              this.id = id;
              this.name = name;
          }
      }
  }
  