ProjectionQueryOptionExpression.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 / DataWeb / Client / System / Data / Services / Client / ALinq / ProjectionQueryOptionExpression.cs / 1305376 / ProjectionQueryOptionExpression.cs
                        

                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//  
//      Respresents a projection query option in resource bound expression tree.
//  
// 
// @owner  [....]
//--------------------------------------------------------------------- 

namespace System.Data.Services.Client
{
    #region Namespaces. 

    using System; 
    using System.Collections.Generic; 
    using System.Diagnostics;
    using System.Linq.Expressions; 

    #endregion Namespaces.

    ///  
    /// An resource specific expression representing a projection query option.
    ///  
    internal class ProjectionQueryOptionExpression : QueryOptionExpression 
    {
        #region Private fields. 

        /// projection expression to evaluate on client on results from server to materialize type
        private readonly LambdaExpression lambda;
 
        /// projection paths to send to the server
        private readonly List paths; 
 
        #endregion Private fields.
 
        /// 
        /// Creates a ProjectionQueryOption expression
        /// 
        /// the return type of the expression 
        /// projection expression
        /// Projection paths for the query option 
        internal ProjectionQueryOptionExpression(Type type, LambdaExpression lambda, List paths) 
            : base((ExpressionType)ResourceExpressionType.ProjectionQueryOption, type)
        { 
            Debug.Assert(type != null, "type != null");
            Debug.Assert(lambda != null, "lambda != null");
            Debug.Assert(paths != null, "paths != null");
 
            this.lambda = lambda;
            this.paths = paths; 
        } 

        #region Internal properties. 

        /// 
        /// expression for the projection
        ///  
        internal LambdaExpression Selector
        { 
            get 
            {
                return this.lambda; 
            }
        }

        ///  
        /// expression for the projection
        ///  
        internal List Paths 
        {
            get 
            {
                return this.paths;
            }
        } 

        #endregion Internal properties. 
    } 
}

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

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK