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//---------------------------------------------------------------------
// <copyright file="EdmScalarPropertyAttribute.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//
// @owner Microsoft
// @backupOwner Microsoft
//---------------------------------------------------------------------
namespace System.Data.Objects.DataClasses
{
using System;
/// <summary>
/// Attribute for scalar properties in an IEntity.
/// Implied default AttributeUsage properties Inherited=True, AllowMultiple=False,
/// The metadata system expects this and will only look at the first of each of these attributes, even if there are more.
/// </summary>
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Edm")]
[AttributeUsage(AttributeTargets.Property)]
public sealed class EdmScalarPropertyAttribute : EdmPropertyAttribute
{
// Private variables corresponding to their properties.
private bool _isNullable = true;
private bool _entityKeyProperty;
/// <summary>
/// Attribute for scalar properties.
/// EdmScalarPropertyAttribute(EntityKeyProperty=[true|false], IsNullable=[true|false])
/// IsNullable and EntityKeyProperty cannot both be true.
/// </summary>
public EdmScalarPropertyAttribute()
{
}
/// <summary>
/// The property is allowed to have a value of NULL.
/// </summary>
public bool IsNullable
{
get { return _isNullable; }
set { _isNullable = value;}
}
/// <summary>
/// The property is a key.
/// </summary>
public bool EntityKeyProperty
{
get { return _entityKeyProperty; }
set { _entityKeyProperty = value; }
}
}
}
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