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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 org.jboss.netty.channel.socket.nio;
17  
18  import org.jboss.netty.util.HashedWheelTimer;
19  import org.jboss.netty.util.ThreadNameDeterminer;
20  import org.jboss.netty.util.Timer;
21  
22  import java.util.concurrent.Executor;
23  
24  /**
25   * Holds {@link NioClientBoss} instances to use
26   */
27  public class NioClientBossPool extends AbstractNioBossPool<NioClientBoss> {
28      private final ThreadNameDeterminer determiner;
29      private final Timer timer;
30      private boolean stopTimer;
31  
32      /**
33       * Create a new instance
34       *
35       * @param bossExecutor  the Executor to use for server the {@link NioClientBoss}
36       * @param bossCount     the number of {@link NioClientBoss} instances this {@link NioClientBossPool} will hold
37       * @param timer         the Timer to use for handle connect timeouts
38       * @param determiner    the {@link ThreadNameDeterminer} to use for name the threads. Use {@code null}
39       *                      if you not want to set one explicit.
40       */
41      public NioClientBossPool(Executor bossExecutor, int bossCount, Timer timer, ThreadNameDeterminer determiner) {
42          super(bossExecutor, bossCount, false);
43          this.determiner = determiner;
44          this.timer = timer;
45          init();
46      }
47  
48      /**
49       * Create a new instance using a new {@link HashedWheelTimer} and no {@link ThreadNameDeterminer}
50       *
51       * @param bossExecutor  the Executor to use for server the {@link NioClientBoss}
52       * @param bossCount     the number of {@link NioClientBoss} instances this {@link NioClientBoss} will hold
53       */
54      public NioClientBossPool(Executor bossExecutor, int bossCount) {
55          this(bossExecutor, bossCount, new HashedWheelTimer(), null);
56          stopTimer = true;
57      }
58  
59      @Override
60      protected NioClientBoss newBoss(Executor executor) {
61          return new NioClientBoss(executor, timer, determiner);
62      }
63  
64      @Override
65      public void shutdown() {
66          super.shutdown();
67          if (stopTimer) {
68              timer.stop();
69          }
70      }
71  
72      @Override
73      public void releaseExternalResources() {
74          super.releaseExternalResources();
75          timer.stop();
76      }
77  }
78