01: /*
02: * $HeadURL: https://svn.apache.org/repos/asf/httpcomponents/httpcore/tags/4.0-beta1/module-nio/src/main/java/org/apache/http/nio/IOControl.java $
03: * $Revision: 613298 $
04: * $Date: 2008-01-18 23:09:22 +0100 (Fri, 18 Jan 2008) $
05: *
06: * ====================================================================
07: * Licensed to the Apache Software Foundation (ASF) under one
08: * or more contributor license agreements. See the NOTICE file
09: * distributed with this work for additional information
10: * regarding copyright ownership. The ASF licenses this file
11: * to you under the Apache License, Version 2.0 (the
12: * "License"); you may not use this file except in compliance
13: * with the License. You may obtain a copy of the License at
14: *
15: * http://www.apache.org/licenses/LICENSE-2.0
16: *
17: * Unless required by applicable law or agreed to in writing,
18: * software distributed under the License is distributed on an
19: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
20: * KIND, either express or implied. See the License for the
21: * specific language governing permissions and limitations
22: * under the License.
23: * ====================================================================
24: *
25: * This software consists of voluntary contributions made by many
26: * individuals on behalf of the Apache Software Foundation. For more
27: * information on the Apache Software Foundation, please see
28: * <http://www.apache.org/>.
29: *
30: */
31:
32: package org.apache.http.nio;
33:
34: import java.io.IOException;
35:
36: /**
37: * Connection input/output control interface. It can be used to request or
38: * temporarily suspend event notifications that are triggered when the underlying
39: * channel is ready for input / output operations.
40: *
41: * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
42: */
43: public interface IOControl {
44:
45: /**
46: * Requests event notifications to be triggered when the underlying
47: * channel is ready for input oprtations.
48: */
49: void requestInput();
50:
51: /**
52: * Suspends event notifications about the underlying channel being
53: * ready for input operations.
54: */
55: void suspendInput();
56:
57: /**
58: * Requests event notifications to be triggered when the underlying
59: * channel is ready for output oprtations.
60: */
61: void requestOutput();
62:
63: /**
64: * Suspends event notifications about the underlying channel being
65: * ready for output operations.
66: */
67: void suspendOutput();
68:
69: /**
70: * Shuts down the underlying channel.
71: *
72: * @throws IOException
73: */
74: void shutdown() throws IOException;
75:
76: }
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