TargetPerspective.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / ndp / fx / src / DataEntity / System / Data / Metadata / TargetPerspective.cs / 2 / TargetPerspective.cs
                        
                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....], [....]
//--------------------------------------------------------------------- 
 
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.
//---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....], [....]
//--------------------------------------------------------------------- 
 
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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TargetPerspective.cs source code in C# .NET

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