ViewCellSlot.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 / Map / ViewGeneration / Validation / ViewCellSlot.cs / 2 / ViewCellSlot.cs
                        
                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner [....]
// @backupOwner [....] 
//--------------------------------------------------------------------- 

using System.Collections.Generic; 
using System.Data.Mapping.ViewGeneration.Structures;
using System.Text;
using System.Data.Common.Utils;
using System.Data.Mapping.ViewGeneration.Utils; 
using System.Data.Entity;
 
namespace System.Data.Mapping.ViewGeneration.Validation { 
    // Represents a slot that is projected by both cell queries in a cell
    internal class ViewCellSlot : ProjectedSlot { 
        #region Constructor
        // effects: Creates a view cell slot that corresponds to slot number
        // "slotNum" in some cell -- the leftSlot and rightSlot represent the
        // slots in the left and right cellqueries at slot slotNum 
        internal ViewCellSlot(int slotNum, JoinTreeSlot cSlot, JoinTreeSlot sSlot) {
            m_slotNum = slotNum; 
            m_cSlot = cSlot; 
            m_sSlot = sSlot;
        } 
        #endregion

        #region Fields
        private int m_slotNum; 
        private JoinTreeSlot m_cSlot;
        private JoinTreeSlot m_sSlot; 
 
        // A comparer that can compare ViewCellSlots only (and not generic ProjectedSlots)
        internal static readonly IEqualityComparer SpecificEqualityComparer = new ViewCellSlotEqualityComparer(); 
        #endregion

        #region Properties
        // effects: Returns the slot corresponding to the left cellquery 
        internal JoinTreeSlot CSlot {
            get { return m_cSlot;} 
        } 

        // effects: Returns the slot corresponding to the right cellquery 
        internal JoinTreeSlot SSlot {
            get { return m_sSlot; }
        }
        #endregion 

        #region Comparer/String Methods 
        protected override bool IsEqualTo(ProjectedSlot right) { 
            ViewCellSlot rightSlot = right as ViewCellSlot;
            if (rightSlot == null) { 
                return false;
            }

            return m_slotNum == rightSlot.m_slotNum && 
                JoinTreeSlot.EqualityComparer.Equals(m_cSlot, rightSlot.m_cSlot) &&
                JoinTreeSlot.EqualityComparer.Equals(m_sSlot, rightSlot.m_sSlot); 
        } 

        protected override int GetHash() { 
            return JoinTreeSlot.EqualityComparer.GetHashCode(m_cSlot)  ^
                   JoinTreeSlot.EqualityComparer.GetHashCode(m_sSlot) ^
                   m_slotNum;
        } 

        // effects: Given a list of slots, converts the left/right slots (if left 
        // is true/false) to a human-readable string 
        internal static string SlotsToUserString(IEnumerable slots, bool isFromCside) {
            StringBuilder builder = new StringBuilder(); 
            bool first = true;
            foreach (ViewCellSlot slot in slots) {
                if (false == first) {
                    builder.Append(", "); 
                }
                builder.Append(SlotToUserString(slot, isFromCside)); 
                first = false; 
            }
            return builder.ToString(); 
        }

        internal static string SlotToUserString(ViewCellSlot slot, bool isFromCside) {
            JoinTreeSlot actualSlot = isFromCside ? slot.CSlot : slot.SSlot; 
            string result = StringUtil.FormatInvariant("{0}", actualSlot);
            return result; 
        } 

        internal override StringBuilder AsCql(StringBuilder builder, MemberPath outputMember, 
                                              string blockAlias, int indentLevel) {
            ExceptionHelpers.CheckAndThrowRes(false, () => Strings.ViewGen_Internal_Error);
            return null; // To keep the compiler happy
        } 

        internal override void ToCompactString(StringBuilder builder) { 
            builder.Append('<'); 
            StringUtil.FormatStringBuilder(builder, "{0}", m_slotNum);
            builder.Append(':'); 
            m_cSlot.ToCompactString(builder);
            builder.Append('-');
            m_sSlot.ToCompactString(builder);
            builder.Append('>'); 
        }
        #endregion 
 
        #region ViewCellSlot Comparer class
        // Simply delegate the work to the ProjectedSlot.EqualityComparer 
        internal class ViewCellSlotEqualityComparer : IEqualityComparer {
            public bool Equals(ViewCellSlot left, ViewCellSlot right) {
                return ProjectedSlot.EqualityComparer.Equals(left, right);
            } 

            public int GetHashCode(ViewCellSlot key) { 
                return ProjectedSlot.EqualityComparer.GetHashCode(key); 
            }
        } 
        #endregion
    }
}

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

using System.Collections.Generic; 
using System.Data.Mapping.ViewGeneration.Structures;
using System.Text;
using System.Data.Common.Utils;
using System.Data.Mapping.ViewGeneration.Utils; 
using System.Data.Entity;
 
namespace System.Data.Mapping.ViewGeneration.Validation { 
    // Represents a slot that is projected by both cell queries in a cell
    internal class ViewCellSlot : ProjectedSlot { 
        #region Constructor
        // effects: Creates a view cell slot that corresponds to slot number
        // "slotNum" in some cell -- the leftSlot and rightSlot represent the
        // slots in the left and right cellqueries at slot slotNum 
        internal ViewCellSlot(int slotNum, JoinTreeSlot cSlot, JoinTreeSlot sSlot) {
            m_slotNum = slotNum; 
            m_cSlot = cSlot; 
            m_sSlot = sSlot;
        } 
        #endregion

        #region Fields
        private int m_slotNum; 
        private JoinTreeSlot m_cSlot;
        private JoinTreeSlot m_sSlot; 
 
        // A comparer that can compare ViewCellSlots only (and not generic ProjectedSlots)
        internal static readonly IEqualityComparer SpecificEqualityComparer = new ViewCellSlotEqualityComparer(); 
        #endregion

        #region Properties
        // effects: Returns the slot corresponding to the left cellquery 
        internal JoinTreeSlot CSlot {
            get { return m_cSlot;} 
        } 

        // effects: Returns the slot corresponding to the right cellquery 
        internal JoinTreeSlot SSlot {
            get { return m_sSlot; }
        }
        #endregion 

        #region Comparer/String Methods 
        protected override bool IsEqualTo(ProjectedSlot right) { 
            ViewCellSlot rightSlot = right as ViewCellSlot;
            if (rightSlot == null) { 
                return false;
            }

            return m_slotNum == rightSlot.m_slotNum && 
                JoinTreeSlot.EqualityComparer.Equals(m_cSlot, rightSlot.m_cSlot) &&
                JoinTreeSlot.EqualityComparer.Equals(m_sSlot, rightSlot.m_sSlot); 
        } 

        protected override int GetHash() { 
            return JoinTreeSlot.EqualityComparer.GetHashCode(m_cSlot)  ^
                   JoinTreeSlot.EqualityComparer.GetHashCode(m_sSlot) ^
                   m_slotNum;
        } 

        // effects: Given a list of slots, converts the left/right slots (if left 
        // is true/false) to a human-readable string 
        internal static string SlotsToUserString(IEnumerable slots, bool isFromCside) {
            StringBuilder builder = new StringBuilder(); 
            bool first = true;
            foreach (ViewCellSlot slot in slots) {
                if (false == first) {
                    builder.Append(", "); 
                }
                builder.Append(SlotToUserString(slot, isFromCside)); 
                first = false; 
            }
            return builder.ToString(); 
        }

        internal static string SlotToUserString(ViewCellSlot slot, bool isFromCside) {
            JoinTreeSlot actualSlot = isFromCside ? slot.CSlot : slot.SSlot; 
            string result = StringUtil.FormatInvariant("{0}", actualSlot);
            return result; 
        } 

        internal override StringBuilder AsCql(StringBuilder builder, MemberPath outputMember, 
                                              string blockAlias, int indentLevel) {
            ExceptionHelpers.CheckAndThrowRes(false, () => Strings.ViewGen_Internal_Error);
            return null; // To keep the compiler happy
        } 

        internal override void ToCompactString(StringBuilder builder) { 
            builder.Append('<'); 
            StringUtil.FormatStringBuilder(builder, "{0}", m_slotNum);
            builder.Append(':'); 
            m_cSlot.ToCompactString(builder);
            builder.Append('-');
            m_sSlot.ToCompactString(builder);
            builder.Append('>'); 
        }
        #endregion 
 
        #region ViewCellSlot Comparer class
        // Simply delegate the work to the ProjectedSlot.EqualityComparer 
        internal class ViewCellSlotEqualityComparer : IEqualityComparer {
            public bool Equals(ViewCellSlot left, ViewCellSlot right) {
                return ProjectedSlot.EqualityComparer.Equals(left, right);
            } 

            public int GetHashCode(ViewCellSlot key) { 
                return ProjectedSlot.EqualityComparer.GetHashCode(key); 
            }
        } 
        #endregion
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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ViewCellSlot.cs source code in C# .NET

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