ModelPerspective.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 / ModelPerspective.cs / 1305376 / ModelPerspective.cs
                        

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

namespace System.Data.Metadata.Edm 
{
    using System.Collections.Generic;
    using System.Globalization;
 
    /// 
    /// Internal helper class for query 
    ///  
    internal class ModelPerspective : Perspective
    { 
        #region Contructors
        /// 
        /// Creates a new instance of perspective class so that query can work
        /// ignorant of all spaces 
        /// 
        /// runtime metadata container 
        internal ModelPerspective(MetadataWorkspace metadataWorkspace) 
            : base(metadataWorkspace, DataSpace.CSpace)
        { 
        }
        #endregion

        #region Methods 
        /// 
        /// Look up a type in the target data space based upon the fullName 
        ///  
        /// fullName
        /// true for case-insensitive lookup 
        /// The type usage object to return
        /// True if the retrieval succeeded
        internal override bool TryGetTypeByName(string fullName, bool ignoreCase, out TypeUsage typeUsage )
        { 
            EntityUtil.CheckStringArgument(fullName, "fullName");
            typeUsage = null; 
            EdmType edmType = null; 
            if (this.MetadataWorkspace.TryGetItem(fullName, ignoreCase, this.TargetDataspace, out edmType))
            { 
                if (Helper.IsPrimitiveType(edmType))
                {
                    typeUsage = this.MetadataWorkspace.GetCanonicalModelTypeUsage(((PrimitiveType)edmType).PrimitiveTypeKind);
                } 
                else
                { 
                    typeUsage = TypeUsage.Create(edmType); 
                }
            } 
            return typeUsage != null;
        }
        #endregion
    } 
}

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

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