DbModificationCommandTree.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 / Common / CommandTrees / DbModificationCommandTree.cs / 1305376 / DbModificationCommandTree.cs
                        

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

using System; 
using System.Collections.Generic;

using System.Data.Metadata.Edm;
using System.Data.Common.CommandTrees.Internal; 
using System.Data.Common.Utils;
using System.Linq; 
 
namespace System.Data.Common.CommandTrees
{ 
    /// 
    /// Represents a DML operation expressed as a canonical command tree
    /// 
    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "Db")] 
    public abstract class DbModificationCommandTree : DbCommandTree
    { 
        private readonly DbExpressionBinding _target; 
        private System.Collections.ObjectModel.ReadOnlyCollection _parameters;
 
        internal DbModificationCommandTree(MetadataWorkspace metadata, DataSpace dataSpace, DbExpressionBinding target)
            : base(metadata, dataSpace)
        {
            EntityUtil.CheckArgumentNull(target, "target"); 

            this._target = target; 
        } 

        ///  
        /// Gets the  that specifies the target table for the DML operation.
        /// 
        public DbExpressionBinding Target
        { 
            get
            { 
                return _target; 
            }
        } 

        /// 
        /// Returns true if this modification command returns a reader (for instance, to return server generated values)
        ///  
        internal abstract bool HasReader
        { 
            get; 
        }
 
        internal override IEnumerable> GetParameters()
        {
            if (this._parameters == null)
            { 
                this._parameters = ParameterRetriever.GetParameters(this);
            } 
            return this._parameters.Select(p => new KeyValuePair(p.ParameterName, p.ResultType)); 
        }
 
        internal override void DumpStructure(ExpressionDumper dumper)
        {
            if (this.Target != null)
            { 
                dumper.Dump(this.Target, "Target");
            } 
        } 
    }
} 

// 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