content: /*
   ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
   ~                                                                               ~
   ~ The MIT License (MIT)                                                         ~
   ~                                                                               ~
   ~ Copyright (c) 2015-2025 miaixz.org and other contributors.                    ~
   ~                                                                               ~
   ~ 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 org.miaixz.bus.core.lang.thread;
  
  import java.util.concurrent.Callable;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Future;
  
  import org.miaixz.bus.core.lang.exception.InternalException;
  
  /**
   * 全局公共线程池 此线程池是一个无限线程池，即加入的线程不等待任何线程，直接执行
   *
   * @author Kimi Liu
   * @since Java 17+
   */
  public class GlobalThreadPool {
  
      private static ExecutorService executor;
  
      static {
          init();
      }
  
      private GlobalThreadPool() {
      }
  
      /**
       * 初始化全局线程池
       */
      synchronized public static void init() {
          if (null != executor) {
              executor.shutdownNow();
          }
          executor = ExecutorBuilder.of().useSynchronousQueue().build();
      }
  
      /**
       * 关闭公共线程池
       *
       * @param isNow 是否立即关闭而不等待正在执行的线程
       */
      synchronized public static void shutdown(final boolean isNow) {
          if (null != executor) {
              if (isNow) {
                  executor.shutdownNow();
              } else {
                  executor.shutdown();
              }
          }
      }
  
      /**
       * 获得 {@link ExecutorService}
       *
       * @return {@link ExecutorService}
       */
      public static ExecutorService getExecutor() {
          return executor;
      }
  
      /**
       * 直接在公共线程池中执行线程
       *
       * @param runnable 可运行对象
       */
      public static void execute(final Runnable runnable) {
          try {
              executor.execute(runnable);
          } catch (final Exception e) {
              throw new InternalException(e, "Exception when running task!");
          }
      }
  
      /**
       * 执行有返回值的异步方法 Future代表一个异步执行的操作，通过get()方法可以获得操作的结果，如果异步操作还没有完成，则，get()会使当前线程阻塞
       *
       * @param <T>  执行的Task
       * @param task {@link Callable}
       * @return Future
       */
      public static <T> Future<T> submit(final Callable<T> task) {
          return executor.submit(task);
      }
  
      /**
       * 执行有返回值的异步方法 Future代表一个异步执行的操作，通过get()方法可以获得操作的结果，如果异步操作还没有完成，则，get()会使当前线程阻塞
       *
       * @param runnable 可运行对象
       * @return {@link Future}
       */
      public static Future<?> submit(final Runnable runnable) {
          return executor.submit(runnable);
      }
  
  }
  