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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License.
18   *
19   */
20  package org.apache.mina.transport.socket.nio;
21  
22  import org.apache.mina.common.ExpiringSessionRecycler;
23  import org.apache.mina.common.IoAcceptorConfig;
24  import org.apache.mina.common.IoSessionRecycler;
25  import org.apache.mina.common.RuntimeIOException;
26  import org.apache.mina.common.support.BaseIoAcceptorConfig;
27  import org.apache.mina.transport.socket.nio.support.DatagramSessionConfigImpl;
28  
29  /**
30   * An {@link IoAcceptorConfig} for {@link DatagramAcceptor}.
31   *
32   * @author The Apache Directory Project (mina-dev@directory.apache.org)
33   * @version $Rev: 587373 $, $Date: 2007-10-23 11:54:05 +0900 (화, 23 10월 2007) $
34   */
35  public class DatagramAcceptorConfig extends BaseIoAcceptorConfig implements
36          DatagramServiceConfig {
37      private static final IoSessionRecycler DEFAULT_RECYCLER = new ExpiringSessionRecycler();
38  
39      /**
40       * Current session recycler
41       */
42      private IoSessionRecycler sessionRecycler = DEFAULT_RECYCLER;
43  
44      private DatagramSessionConfig sessionConfig = new DatagramSessionConfigImpl();
45  
46      /**
47       * Creates a new instance.
48       *
49       * @throws RuntimeIOException if failed to get the default configuration
50       */
51      public DatagramAcceptorConfig() {
52          super();
53          sessionConfig.setReuseAddress(true);
54      }
55  
56      public DatagramSessionConfig getSessionConfig() {
57          return sessionConfig;
58      }
59  
60      public IoSessionRecycler getSessionRecycler() {
61          return sessionRecycler;
62      }
63  
64      // FIXME There can be a problem if a user changes the recycler after the service is activated.
65      public void setSessionRecycler(IoSessionRecycler sessionRecycler) {
66          if (sessionRecycler == null) {
67              sessionRecycler = DEFAULT_RECYCLER;
68          }
69          this.sessionRecycler = sessionRecycler;
70      }
71  
72      public Object clone() {
73          DatagramAcceptorConfig ret = (DatagramAcceptorConfig) super.clone();
74          ret.sessionConfig = (DatagramSessionConfig) this.sessionConfig.clone();
75          return ret;
76      }
77  }