1 // This source code is dual-licensed under the Apache License, version
2 // 2.0, and the Mozilla Public License, version 1.1.
6 //---------------------------------------------------------------------------
7 // Copyright (C) 2007-2009 LShift Ltd., Cohesive Financial
8 // Technologies LLC., and Rabbit Technologies Ltd.
10 // Licensed under the Apache License, Version 2.0 (the "License");
11 // you may not use this file except in compliance with the License.
12 // You may obtain a copy of the License at
14 // http://www.apache.org/licenses/LICENSE-2.0
16 // Unless required by applicable law or agreed to in writing, software
17 // distributed under the License is distributed on an "AS IS" BASIS,
18 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 // See the License for the specific language governing permissions and
20 // limitations under the License.
21 //---------------------------------------------------------------------------
25 //---------------------------------------------------------------------------
26 // The contents of this file are subject to the Mozilla Public License
27 // Version 1.1 (the "License"); you may not use this file except in
28 // compliance with the License. You may obtain a copy of the License at
29 // http://www.rabbitmq.com/mpl.html
31 // Software distributed under the License is distributed on an "AS IS"
32 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
33 // License for the specific language governing rights and limitations
36 // The Original Code is The RabbitMQ .NET Client.
38 // The Initial Developers of the Original Code are LShift Ltd,
39 // Cohesive Financial Technologies LLC, and Rabbit Technologies Ltd.
41 // Portions created before 22-Nov-2008 00:00:00 GMT by LShift Ltd,
42 // Cohesive Financial Technologies LLC, or Rabbit Technologies Ltd
43 // are Copyright (C) 2007-2008 LShift Ltd, Cohesive Financial
44 // Technologies LLC, and Rabbit Technologies Ltd.
46 // Portions created by LShift Ltd are Copyright (C) 2007-2009 LShift
47 // Ltd. Portions created by Cohesive Financial Technologies LLC are
48 // Copyright (C) 2007-2009 Cohesive Financial Technologies
49 // LLC. Portions created by Rabbit Technologies Ltd are Copyright
50 // (C) 2007-2009 Rabbit Technologies Ltd.
52 // All Rights Reserved.
54 // Contributor(s): ______________________________________.
56 //---------------------------------------------------------------------------
59 namespace RabbitMQ.Client
61 ///<summary>Represents a version of the AMQP specification.</summary>
64 ///Vendor-specific variants of particular official specification
65 ///versions exist: this class simply represents the AMQP
66 ///specification version, and does not try to represent
67 ///information about any custom variations involved.
70 ///AMQP version 0-8 peers sometimes advertise themselves as
71 ///version 8-0: for this reason, this class's constructor
72 ///special-cases 8-0, rewriting it at construction time to be 0-8
76 public class AmqpVersion
78 private readonly int m_major;
79 private readonly int m_minor;
81 ///<summary>The AMQP specification major version number</summary>
82 public int Major { get { return m_major; } }
83 ///<summary>The AMQP specification minor version number</summary>
84 public int Minor { get { return m_minor; } }
86 ///<summary>Construct an AmqpVersion from major and minor version numbers.</summary>
88 ///Converts major=8 and minor=0 into major=0 and
89 ///minor=8. Please see the class comment.
91 public AmqpVersion(int major, int minor)
93 if (major == 8 && minor == 0)
95 // The AMQP 0-8 spec confusingly defines the version
96 // as 8-0. This maps the latter to the former, for
97 // cases where our peer might be confused.
105 ///<summary>Format appropriately for display.</summary>
107 ///The specification currently uses "MAJOR-MINOR" as a display format.
109 public override string ToString()
111 return m_major + "-" + m_minor;
114 ///<summary>Implement value-equality comparison.</summary>
115 public override bool Equals(object other)
117 AmqpVersion v = other as AmqpVersion;
118 return (v != null) && (v.m_major == m_major) && (v.m_minor == m_minor);
121 ///<summary>Implement hashing as for value-equality.</summary>
122 public override int GetHashCode()
124 return 31 * m_major.GetHashCode() + m_minor.GetHashCode();