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1   /*
2    * Copyright 2012 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.channel;
17  
18  import io.netty.util.concurrent.DefaultExecutorServiceFactory;
19  
20  import java.util.concurrent.Executor;
21  public class DefaultEventLoop extends SingleThreadEventLoop {
22  
23      public DefaultEventLoop() {
24          this((EventLoopGroup) null);
25      }
26  
27      public DefaultEventLoop(Executor executor) {
28          this(null, executor);
29      }
30  
31      public DefaultEventLoop(EventLoopGroup parent) {
32          this(parent, new DefaultExecutorServiceFactory(DefaultEventLoop.class).newExecutorService(1));
33      }
34  
35      public DefaultEventLoop(EventLoopGroup parent, Executor executor) {
36          super(parent, executor, true);
37      }
38  
39      @Override
40      protected void run() {
41          Runnable task = takeTask();
42          if (task != null) {
43              task.run();
44              updateLastExecutionTime();
45          }
46  
47          if (confirmShutdown()) {
48              cleanupAndTerminate(true);
49          } else {
50              scheduleExecution();
51          }
52      }
53  }