View Javadoc
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    *   https://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 java.util.concurrent.Executor;
19  import java.util.concurrent.ThreadFactory;
20  
21  /**
22   * {@link MultithreadEventLoopGroup} which must be used for the local transport.
23   */
24  public class DefaultEventLoopGroup extends MultithreadEventLoopGroup {
25  
26      /**
27       * Create a new instance with the default number of threads.
28       */
29      public DefaultEventLoopGroup() {
30          this(0);
31      }
32  
33      /**
34       * Create a new instance
35       *
36       * @param nThreads          the number of threads to use
37       */
38      public DefaultEventLoopGroup(int nThreads) {
39          this(nThreads, (ThreadFactory) null);
40      }
41  
42      /**
43       * Create a new instance with the default number of threads and the given {@link ThreadFactory}.
44       *
45       * @param threadFactory     the {@link ThreadFactory} or {@code null} to use the default
46       */
47      public DefaultEventLoopGroup(ThreadFactory threadFactory) {
48          this(0, threadFactory);
49      }
50  
51      /**
52       * Create a new instance
53       *
54       * @param nThreads          the number of threads to use
55       * @param threadFactory     the {@link ThreadFactory} or {@code null} to use the default
56       */
57      public DefaultEventLoopGroup(int nThreads, ThreadFactory threadFactory) {
58          super(nThreads, threadFactory);
59      }
60  
61      /**
62       * Create a new instance
63       *
64       * @param nThreads          the number of threads to use
65       * @param executor          the Executor to use, or {@code null} if the default should be used.
66       */
67      public DefaultEventLoopGroup(int nThreads, Executor executor) {
68          super(nThreads, executor);
69      }
70  
71      @Override
72      protected EventLoop newChild(Executor executor, Object... args) throws Exception {
73          return new DefaultEventLoop(this, executor);
74      }
75  }