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.util;
  
  import java.util.concurrent.TimeUnit;
  import org.apache.bookkeeper.common.concurrent.FutureUtils;
  
  /**
   * A mixin of {@link AsyncCloseable} and {@link AutoCloseable}.
   */
  public interface AutoAsyncCloseable extends AsyncCloseable, AutoCloseable {
  
      /**
       * Check whether this instance is closed or not.
       *
       * @return true if this instance is closed, false otherwise.
       */
      boolean isClosed();
  
      @Override
      default void close() {
          try {
              FutureUtils.result(closeAsync());
          } catch (Exception e) {
              // ignore the exception
          }
      }
  
      default void close(long waitTimeout, TimeUnit waitTimeUnit) throws Exception {
          FutureUtils.result(closeAsync(), waitTimeout, waitTimeUnit);
      }
  }
  