//
// Copyright 2006 Novell, Inc (http://www.novell.com)
//
// Authors:
// Miguel de Icaza <miguel@novell.com>
//
// 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.
//
#if NET_2_0
using System;
using System.Collections.Generic;
using System.Text;
namespace System.ComponentModel{
[AttributeUsageAttribute (AttributeTargets.Property)]
public sealed class DataObjectFieldAttribute : Attribute
{
bool primary_key, is_identity, is_nullable;
int length = -1;
public DataObjectFieldAttribute (bool primaryKey)
{
primary_key = primaryKey;
}
public DataObjectFieldAttribute (bool primaryKey, bool isIdentity)
{
primary_key = primaryKey;
is_identity = isIdentity;
}
public DataObjectFieldAttribute (bool primaryKey, bool isIdentity, bool isNullable)
{
primary_key = primaryKey;
is_identity = isIdentity;
is_nullable = isNullable;
}
public DataObjectFieldAttribute (bool primaryKey, bool isIdentity, bool isNullable, int length)
{
primary_key = primaryKey;
is_identity = isIdentity;
is_nullable = isNullable;
this.length = length;
}
public bool IsIdentity {
get { return is_identity; }
}
public bool IsNullable {
get { return is_nullable; }
}
public int Length {
get { return length; }
}
public bool PrimaryKey {
get { return primary_key; }
}
public override bool Equals (object obj)
{
DataObjectFieldAttribute other = obj as DataObjectFieldAttribute;
if (other == null)
return false;
return other.primary_key == primary_key &&
other.is_identity == is_identity &&
other.is_nullable == is_nullable &&
other.length == length;
}
public override int GetHashCode ()
{
return ((primary_key ? 1 : 0) |
(is_identity ? 2 : 0) |
(is_nullable ? 4 : 0)) ^
length;
}
}
}
#endif
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