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.bookkeeper.common.component;
  
  import java.lang.Thread.UncaughtExceptionHandler;
  
  /**
   * A component based on lifecycle management.
   */
  public interface LifecycleComponent extends AutoCloseable {
  
      String getName();
  
      Lifecycle.State lifecycleState();
  
      void addLifecycleListener(LifecycleListener listener);
  
      void removeLifecycleListener(LifecycleListener listener);
  
      default void publishInfo(ComponentInfoPublisher componentInfoPublisher) {
      }
  
      void start();
  
      void stop();
  
      @Override
      void close();
  
      /**
       * Set the default handler invoked when a lifecycle component
       * abruptly terminates due an uncaught exception.
       *
       * @param handler handler invoked when an uncaught exception happens
       *                in the lifecycle component.
       */
      void setExceptionHandler(UncaughtExceptionHandler handler);
  }
  