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.cassandra.concurrent;
  
  import java.util.concurrent.Callable;
  
  import org.apache.cassandra.utils.Closeable;
  import org.apache.cassandra.utils.WithResources;
  import org.apache.cassandra.utils.concurrent.AsyncFuture;
  
  /**
   * A FutureTask that utilises Cassandra's {@link AsyncFuture}, making it compatible with {@link ExecutorPlus}.
   * Encapsulates a {@link WithResources}; the call will instantiate the resources before executing,
   * and close them after executing but before completing the task.
   *
   * Propagates exceptions to the uncaught exception handler.
   */
  public class FutureTaskWithResources<V> extends FutureTask<V>
  {
      private final WithResources withResources;
  
      public FutureTaskWithResources(WithResources withResources, Callable<V> call)
      {
          super(call);
          this.withResources = withResources;
      }
  
      public FutureTaskWithResources(WithResources withResources, Runnable task)
      {
          super(task);
          this.withResources = withResources;
      }
  
      V call() throws Exception
      {
          try (Closeable ignore = withResources.get())
          {
              return super.call();
          }
      }
  }
  