RefType.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / Metadata / Edm / RefType.cs / 1305376 / RefType.cs
                        

                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner       [....]
// @backupOwner [....] 
//--------------------------------------------------------------------- 

using System; 
using System.Collections.Generic;
using System.Data.Common;
using System.Text;
 
namespace System.Data.Metadata.Edm
{ 
    ///  
    /// Class representing a ref type
    ///  
    public sealed class RefType : EdmType
    {
        #region Constructors
        ///  
        /// The constructor for constructing a RefType object with the entity type it references
        ///  
        /// The entity type that this ref type references 
        /// Thrown if entityType argument is null
        internal RefType(EntityType entityType) 
            : base(GetIdentity(EntityUtil.GenericCheckArgumentNull(entityType, "entityType")),
            EdmConstants.TransientNamespace, entityType.DataSpace)
        {
            _elementType = entityType; 
            SetReadOnly();
        } 
        #endregion 

        #region Fields 
        private readonly EntityTypeBase _elementType;
        #endregion

        #region Properties 
        /// 
        /// Returns the kind of the type 
        ///  
        public override BuiltInTypeKind BuiltInTypeKind { get { return BuiltInTypeKind.RefType; } }
 
        /// 
        /// The entity type that this ref type references
        /// 
        [MetadataProperty(BuiltInTypeKind.EntityTypeBase, false)] 
        public EntityTypeBase ElementType
        { 
            get 
            {
                return _elementType; 
            }
        }
        #endregion
 
        #region Methods
        ///  
        /// Constructs the name of the collection type 
        /// 
        /// The entity type base that this ref type refers to 
        /// The identity of the resulting ref type
        private static string GetIdentity(EntityTypeBase entityTypeBase)
        {
            StringBuilder builder = new StringBuilder(50); 
            builder.Append("reference[");
            entityTypeBase.BuildIdentity(builder); 
            builder.Append("]"); 
            return builder.ToString();
        } 
        #endregion
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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