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.image.metric.net;
  
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  import java.util.concurrent.ScheduledExecutorService;
  
  import org.miaixz.bus.image.Device;
  
  /**
   * @author Kimi Liu
   * @since Java 17+
   */
  public class DeviceService implements DeviceServiceInterface {
  
      protected Device device;
      protected ExecutorService executor;
      protected ScheduledExecutorService scheduledExecutor;
  
      protected void init(Device device) {
          setDevice(device);
      }
  
      public Device getDevice() {
          return device;
      }
  
      public void setDevice(Device device) {
          this.device = device;
      }
  
      public boolean isRunning() {
          return executor != null;
      }
  
      public void start() throws Exception {
          if (device == null)
              throw new IllegalStateException("Not initialized");
          if (executor != null)
              throw new IllegalStateException("Already started");
          executor = executerService();
          scheduledExecutor = scheduledExecuterService();
          try {
              device.setExecutor(executor);
              device.setScheduledExecutor(scheduledExecutor);
              device.bindConnections();
          } catch (Exception e) {
              stop();
              throw e;
          }
      }
  
      public void stop() {
          if (device != null)
              device.unbindConnections();
          if (scheduledExecutor != null)
              scheduledExecutor.shutdown();
          if (executor != null)
              executor.shutdown();
          executor = null;
          scheduledExecutor = null;
      }
  
      protected ExecutorService executerService() {
          return Executors.newCachedThreadPool();
      }
  
      protected ScheduledExecutorService scheduledExecuterService() {
          return Executors.newSingleThreadScheduledExecutor();
      }
  
  }
  