public static void ConfigRole <TUser, TRole, TKey>(
this EntityTypeBuilder <TRole> builder)
where TKey : struct, IEquatable <TKey>
where TUser : class, IEntity <TKey>
where TRole : ApplicationRole <TKey, TUser, TRole>
{
builder.ConfigForIDomainTreeEntity <TKey, TRole>();
builder.ConfigForIOptimisticConcurrencySupported();
builder.ConfigForICreatorRecordable <TRole, TUser, TKey>();
builder.ConfigForILastModifierRecordable <TRole, TUser, TKey>();
// Each Role can have many entries in the UserRole join table
builder.HasMany(e => e.UserRoles)
.WithOne(e => e.Role)
.HasForeignKey(ur => ur.RoleId)
.IsRequired();
// Each Role can have many associated RoleClaims
builder.HasMany(e => e.RoleClaims)
.WithOne(e => e.Role)
.HasForeignKey(rc => rc.RoleId)
.IsRequired();
builder.ToTable("AppRoles");
}