DbFunctionCommandTree.cs source code in C# .NET

                        Code:
                         / Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / ndp / fx / src / DataEntity / System / Data / Common / CommandTrees / DbFunctionCommandTree.cs / 2 / DbFunctionCommandTree.cs
                        
                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....], [....]
//--------------------------------------------------------------------- 
 
using System;
using System.Collections.Generic; 

using System.Data.Metadata.Edm;
using System.Data.Common.CommandTrees.Internal;
 
namespace System.Data.Common.CommandTrees
{ 
 
    /// 
    /// Represents a function invocation expressed as a canonical command tree 
    /// 
    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "Db")]
    public sealed class DbFunctionCommandTree : DbCommandTree
    { 
        private readonly EdmFunction _edmFunction;
        private readonly TypeUsage _resultType; 
 
        /// 
        /// Constructs a new DbFunctionCommandTree that uses the specified metadata workspace, data space and function metadata 
        /// 
        /// The metadata workspace that the command tree should use.
        /// The logical 'space' that metadata in the expressions used in this command tree must belong to.
        ///  
        /// 
        /// ,  or  is null 
        ///  does not represent a valid data space or 
        /// is a composable function
        /*CQT_PUBLIC_API(*/internal/*)*/ DbFunctionCommandTree(MetadataWorkspace metadata, DataSpace dataSpace, EdmFunction edmFunction, TypeUsage resultType) 
            : base(metadata, dataSpace)
        {
            using (new EntityBid.ScopeAuto(" %d#", this.ObjectId))
            { 
                EntityUtil.CheckArgumentNull(edmFunction, "edmFunction");
 
                _edmFunction = edmFunction; 
                _resultType = resultType;
            } 
        }

        /// 
        /// Gets the  that represents the function to invoke 
        /// 
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Edm")] 
        public EdmFunction EdmFunction 
        {
            get 
            {
                return _edmFunction;
            }
        } 

        ///  
        /// Gets the result type of the function; currently constrained to be a Collection of 
        /// RowTypes. Unlike typical RowType instance, merely indicates name/type not parameter
        /// order. 
        /// 
        public TypeUsage ResultType
        {
            get 
            {
                return _resultType; 
            } 
        }
 
        internal override DbCommandTreeKind CommandTreeKind
        {
            get { return DbCommandTreeKind.Function; }
        } 

        internal override void DumpStructure(ExpressionDumper dumper) 
        { 
            if (this.EdmFunction != null)
            { 
                dumper.Dump(this.EdmFunction);
            }
        }
 
        internal override string PrintTree(ExpressionPrinter printer)
        { 
            return printer.Print(this); 
        }
 
        internal override void Replace(ExpressionReplacer callback)
        {
            throw EntityUtil.NotSupported();
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....], [....]
//--------------------------------------------------------------------- 
 
using System;
using System.Collections.Generic; 

using System.Data.Metadata.Edm;
using System.Data.Common.CommandTrees.Internal;
 
namespace System.Data.Common.CommandTrees
{ 
 
    /// 
    /// Represents a function invocation expressed as a canonical command tree 
    /// 
    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "Db")]
    public sealed class DbFunctionCommandTree : DbCommandTree
    { 
        private readonly EdmFunction _edmFunction;
        private readonly TypeUsage _resultType; 
 
        /// 
        /// Constructs a new DbFunctionCommandTree that uses the specified metadata workspace, data space and function metadata 
        /// 
        /// The metadata workspace that the command tree should use.
        /// The logical 'space' that metadata in the expressions used in this command tree must belong to.
        ///  
        /// 
        /// ,  or  is null 
        ///  does not represent a valid data space or 
        /// is a composable function
        /*CQT_PUBLIC_API(*/internal/*)*/ DbFunctionCommandTree(MetadataWorkspace metadata, DataSpace dataSpace, EdmFunction edmFunction, TypeUsage resultType) 
            : base(metadata, dataSpace)
        {
            using (new EntityBid.ScopeAuto(" %d#", this.ObjectId))
            { 
                EntityUtil.CheckArgumentNull(edmFunction, "edmFunction");
 
                _edmFunction = edmFunction; 
                _resultType = resultType;
            } 
        }

        /// 
        /// Gets the  that represents the function to invoke 
        /// 
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Edm")] 
        public EdmFunction EdmFunction 
        {
            get 
            {
                return _edmFunction;
            }
        } 

        ///  
        /// Gets the result type of the function; currently constrained to be a Collection of 
        /// RowTypes. Unlike typical RowType instance, merely indicates name/type not parameter
        /// order. 
        /// 
        public TypeUsage ResultType
        {
            get 
            {
                return _resultType; 
            } 
        }
 
        internal override DbCommandTreeKind CommandTreeKind
        {
            get { return DbCommandTreeKind.Function; }
        } 

        internal override void DumpStructure(ExpressionDumper dumper) 
        { 
            if (this.EdmFunction != null)
            { 
                dumper.Dump(this.EdmFunction);
            }
        }
 
        internal override string PrintTree(ExpressionPrinter printer)
        { 
            return printer.Print(this); 
        }
 
        internal override void Replace(ExpressionReplacer callback)
        {
            throw EntityUtil.NotSupported();
        } 
    }
} 

// 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
DbFunctionCommandTree.cs source code in C# .NET

Source code for the .NET framework in C#

Code:

Link Menu
