119 lines
3.3 KiB
C#
119 lines
3.3 KiB
C#
//---------------------------------------------------------------------
|
|
// <copyright file="EnumMember.cs" company="Microsoft">
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
|
// </copyright>
|
|
//
|
|
// @owner Microsoft
|
|
// @backupOwner Microsoft
|
|
//---------------------------------------------------------------------
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Data.Common;
|
|
using System.Text;
|
|
using System.Diagnostics;
|
|
|
|
namespace System.Data.Metadata.Edm
|
|
{
|
|
/// <summary>
|
|
/// Represents an enumeration member.
|
|
/// </summary>
|
|
public sealed class EnumMember : MetadataItem
|
|
{
|
|
#region Fields
|
|
|
|
/// <summary>
|
|
/// The name of this enumeration member.
|
|
/// </summary>
|
|
private readonly string _name;
|
|
|
|
/// <summary>
|
|
/// The value of this enumeration member.
|
|
/// </summary>
|
|
private readonly object _value;
|
|
|
|
#endregion
|
|
|
|
#region Constructors
|
|
|
|
/// <summary>
|
|
/// Initializes a new instance of the <see cref="EnumMember"/> type by using the specified name and value.
|
|
/// </summary>
|
|
/// <param name="name">The name of this enumeration member. Must not be null or the empty string.</param>
|
|
/// <param name="value">The value of this enumeration member. </param>
|
|
/// <exception cref="System.ArgumentNullException">Thrown if name argument is null</exception>
|
|
/// <exception cref="System.ArgumentException">Thrown if name argument is empty string</exception>
|
|
internal EnumMember(string name, object value)
|
|
: base(MetadataFlags.Readonly)
|
|
{
|
|
EntityUtil.CheckStringArgument(name, "name");
|
|
Debug.Assert(value != null, "value != null");
|
|
Debug.Assert(value is SByte || value is Byte || value is Int16 || value is Int32 || value is Int64, "Unsupported type of enum member value.");
|
|
|
|
_name = name;
|
|
_value = value;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Properties
|
|
|
|
/// <summary>
|
|
/// Gets the kind of this type.
|
|
/// </summary>
|
|
public override BuiltInTypeKind BuiltInTypeKind
|
|
{
|
|
get { return BuiltInTypeKind.EnumMember; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the name of this enumeration member.
|
|
/// </summary>
|
|
[MetadataProperty(PrimitiveTypeKind.String, false)]
|
|
public string Name
|
|
{
|
|
get
|
|
{
|
|
return _name;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the value of this enumeration member.
|
|
/// </summary>
|
|
[MetadataProperty(BuiltInTypeKind.PrimitiveType, false)]
|
|
public object Value
|
|
{
|
|
get
|
|
{
|
|
return _value;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the identity for this item as a string
|
|
/// </summary>
|
|
internal override string Identity
|
|
{
|
|
get
|
|
{
|
|
return Name;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Methods
|
|
|
|
/// <summary>
|
|
/// Overriding System.Object.ToString to provide better String representation for this type.
|
|
/// </summary>
|
|
public override string ToString()
|
|
{
|
|
return Name;
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|