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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  package org.apache.mina.transport.nio;
20  
21  import java.nio.channels.SelectableChannel;
22  
23  /**
24   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
25   */
26  public interface SelectorLoop {
27      /**
28       * Register a channel on a Selector, for some events. We can register for OP_ACCEPT, OP_READ or OP_WRITE.
29       * 
30       * @param accept Registers for OP_ACCEPT events
31       * @param connect Registers for OP_CONNECT events
32       * @param read Registers for OP_READ events
33       * @param write Registers for OP_WRITE events
34       * @param listener The listener
35       * @param channel
36       * @param wakeup Tells if we should do a wakeup() on the selector
37       */
38      void register(boolean accept, boolean connect, boolean read, boolean write, SelectorListener listener,
39              SelectableChannel channel, RegistrationCallback callback);
40  
41      void modifyRegistration(boolean accept, boolean read, boolean write, SelectorListener listener,
42              SelectableChannel channel, boolean wakeup);
43  
44      void unregister(SelectorListener listener, SelectableChannel channel);
45  
46      /**
47       * Wake up the selector
48       */
49      void wakeup();
50  }