content: /*
   * Copyright (c) 2016-2017 Daniel Ennis (Aikar) - MIT License
   *
   *  Permission is hereby granted, free of charge, to any person obtaining
   *  a copy of this software and associated documentation files (the
   *  "Software"), to deal in the Software without restriction, including
   *  without limitation the rights to use, copy, modify, merge, publish,
   *  distribute, sublicense, and/or sell copies of the Software, and to
   *  permit persons to whom the Software is furnished to do so, subject to
   *  the following conditions:
   *
   *  The above copyright notice and this permission notice shall be
   *  included in all copies or substantial portions of the Software.
   *
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
   *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
   *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
   *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   */
  
  package co.aikar.taskchain;
  
  import java.util.concurrent.Executors;
  import java.util.concurrent.ThreadPoolExecutor;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicInteger;
  
  @SuppressWarnings("WeakerAccess")
  public class TaskChainAsyncQueue implements AsyncQueue {
      private static final AtomicInteger threadId = new AtomicInteger();
      private final ThreadPoolExecutor executor;
  
      public TaskChainAsyncQueue() {
          this.executor = createCachedThreadPool();
      }
  
      public TaskChainAsyncQueue(ThreadPoolExecutor executor) {
          this.executor = executor;
      }
  
      public static ThreadPoolExecutor createCachedThreadPool() {
          return (ThreadPoolExecutor) Executors.newCachedThreadPool(r -> {
              final Thread thread = new Thread(r);
              thread.setName("TaskChainAsyncQueue Thread " + threadId.getAndIncrement());
              return thread;
          });
      }
  
      public void postAsync(Runnable runnable) {
          executor.submit(runnable);
      }
  
      /**
       * Call during game shutdown state
       * @param timeout
       * @param unit
       */
      public void shutdown(int timeout, TimeUnit unit) {
          try {
              executor.setRejectedExecutionHandler((r, executor1) -> r.run());
              executor.shutdown();
              executor.awaitTermination(timeout, unit);
          } catch (InterruptedException e) {
              e.printStackTrace();
          }
      }
  }
  