2 // Copyright (C) 2010 Novell Inc. http://novell.com
4 // Permission is hereby granted, free of charge, to any person obtaining
5 // a copy of this software and associated documentation files (the
6 // "Software"), to deal in the Software without restriction, including
7 // without limitation the rights to use, copy, modify, merge, publish,
8 // distribute, sublicense, and/or sell copies of the Software, and to
9 // permit persons to whom the Software is furnished to do so, subject to
10 // the following conditions:
12 // The above copyright notice and this permission notice shall be
13 // included in all copies or substantial portions of the Software.
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 using System.Collections.Generic;
28 public class AttachableMemberIdentifier : IEquatable<AttachableMemberIdentifier>
30 public AttachableMemberIdentifier (Type declaringType, string memberName)
32 DeclaringType = declaringType;
33 MemberName = memberName;
36 public Type DeclaringType { get; private set; }
37 public string MemberName { get; private set; }
39 public static bool operator == (AttachableMemberIdentifier left, AttachableMemberIdentifier right)
41 return IsNull (left) ? IsNull (right) : left.Equals (right);
44 static bool IsNull (AttachableMemberIdentifier a)
46 return Object.ReferenceEquals (a, null);
49 public static bool operator != (AttachableMemberIdentifier left, AttachableMemberIdentifier right)
51 return IsNull (left) ? !IsNull (right) : IsNull (right) || left.DeclaringType != right.DeclaringType || left.MemberName != right.MemberName;
54 public bool Equals (AttachableMemberIdentifier other)
56 return !IsNull (other) && DeclaringType == other.DeclaringType && MemberName == other.MemberName;
59 public override bool Equals (object obj)
61 var a = obj as AttachableMemberIdentifier;
65 public override int GetHashCode ()
67 return (DeclaringType != null ? DeclaringType.GetHashCode () : 0) << 5 + (MemberName != null ? MemberName.GetHashCode () : 0);
70 public override string ToString ()
72 return DeclaringType != null ? String.Concat (DeclaringType.FullName, ".", MemberName) : MemberName;