File: IdentityRole.cs
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Project: src\src\Identity\Extensions.Stores\src\Microsoft.Extensions.Identity.Stores.csproj (Microsoft.Extensions.Identity.Stores)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System;
 
namespace Microsoft.AspNetCore.Identity;
 
/// <summary>
/// The default implementation of <see cref="IdentityRole{TKey}"/> which uses a string as the primary key.
/// </summary>
public class IdentityRole : IdentityRole<string>
{
    /// <summary>
    /// Initializes a new instance of <see cref="IdentityRole"/>.
    /// </summary>
    /// <remarks>
    /// The Id property is initialized to form a new GUID string value.
    /// </remarks>
    public IdentityRole()
    {
        Id = Guid.NewGuid().ToString();
    }
 
    /// <summary>
    /// Initializes a new instance of <see cref="IdentityRole"/>.
    /// </summary>
    /// <param name="roleName">The role name.</param>
    /// <remarks>
    /// The Id property is initialized to form a new GUID string value.
    /// </remarks>
    public IdentityRole(string roleName) : this()
    {
        Name = roleName;
    }
}
 
/// <summary>
/// Represents a role in the identity system
/// </summary>
/// <typeparam name="TKey">The type used for the primary key for the role.</typeparam>
public class IdentityRole<TKey> where TKey : IEquatable<TKey>
{
    /// <summary>
    /// Initializes a new instance of <see cref="IdentityRole{TKey}"/>.
    /// </summary>
    public IdentityRole() { }
 
    /// <summary>
    /// Initializes a new instance of <see cref="IdentityRole{TKey}"/>.
    /// </summary>
    /// <param name="roleName">The role name.</param>
    public IdentityRole(string roleName) : this()
    {
        Name = roleName;
    }
 
    /// <summary>
    /// Gets or sets the primary key for this role.
    /// </summary>
    public virtual TKey Id { get; set; } = default!;
 
    /// <summary>
    /// Gets or sets the name for this role.
    /// </summary>
    public virtual string? Name { get; set; }
 
    /// <summary>
    /// Gets or sets the normalized name for this role.
    /// </summary>
    public virtual string? NormalizedName { get; set; }
 
    /// <summary>
    /// A random value that should change whenever a role is persisted to the store
    /// </summary>
    public virtual string? ConcurrencyStamp { get; set; } = Guid.NewGuid().ToString();
 
    /// <summary>
    /// Returns the name of the role.
    /// </summary>
    /// <returns>The name of the role.</returns>
    public override string ToString()
    {
        return Name ?? string.Empty;
    }
}