ReferenceSchema.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 / EntityModel / SchemaObjectModel / ReferenceSchema.cs / 1305376 / ReferenceSchema.cs
                        

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

using System; 
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Xml; 
using System.Data;
using System.Data.Metadata.Edm; 
using System.Diagnostics; 
using System.Data.Entity;
 
namespace System.Data.EntityModel.SchemaObjectModel
{
    /// 
    /// Summary description for UsingElement. 
    /// 
    internal class UsingElement : SchemaElement 
    { 
        #region Instance Fields
        private string _alias = null; 
        private string _namespaceName = null;
        #endregion

        #region Public Methods 
        /// 
        /// 
        ///  
        /// 
        internal UsingElement(Schema parentElement) 
        :   base(parentElement)
        {
        }
 
        #endregion
 
        #region Public Properties 
        /// 
        /// 
        /// 
        public virtual string Alias
        {
            get 
            {
                return _alias; 
            } 
            private set
            { 
                _alias = value;
            }
        }
        ///  
        ///
        ///  
        public virtual string NamespaceName 
        {
            get 
            {
                return _namespaceName;
            }
            private set 
            {
                _namespaceName = value; 
            } 
        }
 
        /// 
        ///
        /// 
        public override string FQName 
        {
            get 
            { 
                return null;
            } 
        }

        #endregion
 
        #region Protected Properties
        ///  
        /// 
        /// 
        protected override bool ProhibitAttribute(string namespaceUri, string localName) 
        {
            if (base.ProhibitAttribute(namespaceUri, localName))
            {
                return true; 
            }
 
            if (namespaceUri == null && localName == XmlConstants.Name) 
            {
                return false; 
            }
            return false;

        } 

        protected override bool HandleAttribute(XmlReader reader) 
        { 
            if (base.HandleAttribute(reader))
            { 
                return true;
            }
            else if (CanHandleAttribute(reader, XmlConstants.Namespace))
            { 
                HandleNamespaceAttribute(reader);
                return true; 
            } 
            else if (CanHandleAttribute(reader, XmlConstants.Alias))
            { 
                HandleAliasAttribute(reader);
                return true;
            }
 
            return false;
        } 
 
        #endregion
 
        #region Private Methods

        /// 
        /// 
        /// 
        ///  
        private void HandleNamespaceAttribute(XmlReader reader) 
        {
            Debug.Assert(String.IsNullOrEmpty(NamespaceName), "Alias must be set only once"); 
            ReturnValue returnValue = HandleDottedNameAttribute(reader,NamespaceName, null);
            if ( returnValue.Succeeded )
                NamespaceName = returnValue.Value;
        } 

        ///  
        /// 
        /// 
        ///  
        private void HandleAliasAttribute(XmlReader reader)
        {
            Debug.Assert(String.IsNullOrEmpty(Alias), "Alias must be set only once");
            Alias = HandleUndottedNameAttribute(reader, Alias); 
        }
        #endregion 
    } 
}

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

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