// // Copyright 2006 Novell, Inc (http://www.novell.com) // // Authors: // Miguel de Icaza // // 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. // 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; } } }