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