TargetPerspective.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 / TargetPerspective.cs / 1305376 / TargetPerspective.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 TargetPerspective : Perspective
    { 
        #region Constructors
        /// 
        /// Creates a new instance of perspective class so that query can work
        /// ignorant of all spaces 
        /// 
        /// runtime metadata container 
        internal TargetPerspective(MetadataWorkspace metadataWorkspace) 
            : base(metadataWorkspace, DataSpace.SSpace)
        { 
            _modelPerspective = new ModelPerspective(metadataWorkspace);
        }
        #endregion
 
        #region Fields
        // TargetPerspective uses a ModelPerspective for a second lookup in type lookup 
        private ModelPerspective _modelPerspective; 
        #endregion
 
        #region Methods
        /// 
        /// Look up a type in the target data space based upon the fullName
        ///  
        /// fullName
        /// true for case-insensitive lookup 
        ///  
        /// a list of types that have the specified full name but may differ by strong name
        internal override bool TryGetTypeByName(string fullName, bool ignoreCase, out TypeUsage usage) 
        {
            EntityUtil.CheckStringArgument(fullName, "fullName");

            EdmType edmType = null; 
            if (this.MetadataWorkspace.TryGetItem(fullName, ignoreCase, this.TargetDataspace, out edmType))
            { 
                usage = TypeUsage.Create(edmType); 
                usage = Helper.GetModelTypeUsage(usage);
                return true; 
            }

            return _modelPerspective.TryGetTypeByName(fullName, ignoreCase, out usage);
        } 

        ///  
        /// Returns the entity container in CSpace or SSpace 
        /// 
        ///  
        /// 
        /// 
        /// 
        internal override bool TryGetEntityContainer(string name, bool ignoreCase, out EntityContainer entityContainer) 
        {
            if (!base.TryGetEntityContainer(name, ignoreCase, out entityContainer)) 
            { 
                return _modelPerspective.TryGetEntityContainer(name, ignoreCase, out entityContainer);
            } 

            return true;
        }
        #endregion 
    }
} 

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

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