ExtentCqlBlock.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / ndp / fx / src / DataEntity / System / Data / Map / ViewGeneration / CqlGeneration / ExtentCqlBlock.cs / 1 / ExtentCqlBlock.cs
                        

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

 
using System.Text;
using System.Collections.Generic;
using System.Data.Mapping.ViewGeneration.Structures;
using System.Data.Common.Utils; 
using System.Data.Metadata.Edm;
 
namespace System.Data.Mapping.ViewGeneration.CqlGeneration { 

    // A class that corresponds to the leaf CQL Blocks in the CqlBlock tree 
    internal class ExtentCqlBlock : CqlBlock {

        private static readonly List EmptyChildren = new List();
 
        #region Constructors
        // effects: Creates an Extent CqlBlock corresponding to 
        // "extent" (the FROM part). SELECT is given by slots, WHERE by 
        // whereClause and AS by blockAliasNum
        internal ExtentCqlBlock(EntitySetBase extent, SlotInfo[] slots, 
                                BoolExpression whereClause, CqlIdentifiers identifiers, int blockAliasNum) :
            base(slots, EmptyChildren, whereClause, identifiers, blockAliasNum) {
            m_extent = extent;
            m_nodeTableAlias = identifiers.GetBlockAlias(); 
        }
        #endregion 
 
        #region Fields
        private EntitySetBase m_extent; // The extent for which we have this block 
        private string m_nodeTableAlias;
        #endregion

        #region Methods 
        // effects: See CqlBlock.AsCql
        internal override StringBuilder AsCql(StringBuilder builder, bool isTopLevel, int indentLevel) { 
            // The SELECT part 
            GenerateProjectedtList(builder, indentLevel, m_nodeTableAlias, false);
 
            // Get the FROM part
            builder.Append("FROM ");
            // Get the extent object in C-Space (if m_extent is an S space object)
            CqlWriter.AppendEscapedQualifiedName(builder, m_extent.EntityContainer.Name, m_extent.Name); 
            builder.Append(" AS ")
                   .Append(m_nodeTableAlias); 
 
            // Get the WHERE part only when the expression is not simply TRUE
            if (false == BoolExpression.EqualityComparer.Equals(WhereClause, BoolExpression.True)) { 
 				StringUtil.IndentNewLine(builder, indentLevel);
                builder.Append("WHERE ");
                WhereClause.AsCql(builder, m_nodeTableAlias);
            } 
            return builder;
        } 
        #endregion 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner [....]
// @backupOwner [....] 
//--------------------------------------------------------------------- 

 
using System.Text;
using System.Collections.Generic;
using System.Data.Mapping.ViewGeneration.Structures;
using System.Data.Common.Utils; 
using System.Data.Metadata.Edm;
 
namespace System.Data.Mapping.ViewGeneration.CqlGeneration { 

    // A class that corresponds to the leaf CQL Blocks in the CqlBlock tree 
    internal class ExtentCqlBlock : CqlBlock {

        private static readonly List EmptyChildren = new List();
 
        #region Constructors
        // effects: Creates an Extent CqlBlock corresponding to 
        // "extent" (the FROM part). SELECT is given by slots, WHERE by 
        // whereClause and AS by blockAliasNum
        internal ExtentCqlBlock(EntitySetBase extent, SlotInfo[] slots, 
                                BoolExpression whereClause, CqlIdentifiers identifiers, int blockAliasNum) :
            base(slots, EmptyChildren, whereClause, identifiers, blockAliasNum) {
            m_extent = extent;
            m_nodeTableAlias = identifiers.GetBlockAlias(); 
        }
        #endregion 
 
        #region Fields
        private EntitySetBase m_extent; // The extent for which we have this block 
        private string m_nodeTableAlias;
        #endregion

        #region Methods 
        // effects: See CqlBlock.AsCql
        internal override StringBuilder AsCql(StringBuilder builder, bool isTopLevel, int indentLevel) { 
            // The SELECT part 
            GenerateProjectedtList(builder, indentLevel, m_nodeTableAlias, false);
 
            // Get the FROM part
            builder.Append("FROM ");
            // Get the extent object in C-Space (if m_extent is an S space object)
            CqlWriter.AppendEscapedQualifiedName(builder, m_extent.EntityContainer.Name, m_extent.Name); 
            builder.Append(" AS ")
                   .Append(m_nodeTableAlias); 
 
            // Get the WHERE part only when the expression is not simply TRUE
            if (false == BoolExpression.EqualityComparer.Equals(WhereClause, BoolExpression.True)) { 
 				StringUtil.IndentNewLine(builder, indentLevel);
                builder.Append("WHERE ");
                WhereClause.AsCql(builder, m_nodeTableAlias);
            } 
            return builder;
        } 
        #endregion 
    }
} 

// 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