// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
namespace System.Runtime.Serialization
{
    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Enum, Inherited = false, AllowMultiple = false)]
    public sealed class DataContractAttribute : Attribute
    {
        private string? _name;
        private string? _ns;
        private bool _isNameSetExplicitly;
        private bool _isNamespaceSetExplicitly;
        private bool _isReference;
        private bool _isReferenceSetExplicitly;
 
        public DataContractAttribute()
        {
        }
 
        public bool IsReference
        {
            get => _isReference;
            set
            {
                _isReference = value;
                _isReferenceSetExplicitly = true;
            }
        }
 
        public bool IsReferenceSetExplicitly => _isReferenceSetExplicitly;
 
        public string? Namespace
        {
            get => _ns;
            set
            {
                _ns = value;
                _isNamespaceSetExplicitly = true;
            }
        }
 
        public bool IsNamespaceSetExplicitly => _isNamespaceSetExplicitly;
 
        public string? Name
        {
            get => _name;
            set
            {
                _name = value;
                _isNameSetExplicitly = true;
            }
        }
 
        public bool IsNameSetExplicitly => _isNameSetExplicitly;
    }
}