2 // System.ComponentModel.ImmutableObjectAttribute
5 // Martin Willemoes Hansen (mwh@sysrq.dk)
6 // Andreas Nahr (ClassDevelopment@A-SoftTech.com)
8 // (C) 2003 Martin Willemoes Hansen
9 // (C) 2003 Andreas Nahr
13 // Permission is hereby granted, free of charge, to any person obtaining
14 // a copy of this software and associated documentation files (the
15 // "Software"), to deal in the Software without restriction, including
16 // without limitation the rights to use, copy, modify, merge, publish,
17 // distribute, sublicense, and/or sell copies of the Software, and to
18 // permit persons to whom the Software is furnished to do so, subject to
19 // the following conditions:
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 namespace System
.ComponentModel
35 [AttributeUsage(AttributeTargets
.All
)]
36 public sealed class ImmutableObjectAttribute
: Attribute
39 private bool immutable
;
41 public static readonly ImmutableObjectAttribute Default
= new ImmutableObjectAttribute (false);
42 public static readonly ImmutableObjectAttribute No
= new ImmutableObjectAttribute (false);
43 public static readonly ImmutableObjectAttribute Yes
= new ImmutableObjectAttribute (true);
46 public ImmutableObjectAttribute (bool immutable
)
48 this.immutable
=immutable
;
51 public bool Immutable
{
52 get { return this.immutable; }
55 public override bool Equals (object obj
)
57 if (!(obj
is ImmutableObjectAttribute
))
61 return ((ImmutableObjectAttribute
) obj
).Immutable
== immutable
;
64 public override int GetHashCode()
66 return immutable
.GetHashCode ();
69 public override bool IsDefaultAttribute()
71 return immutable
== ImmutableObjectAttribute
.Default
.Immutable
;