RoleBoolean.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 / Map / ViewGeneration / QueryRewriting / RoleBoolean.cs / 1305376 / RoleBoolean.cs
                        

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

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

    using DomainBoolExpr = BoolExpr>; 
    using DomainNotExpr = NotExpr>;
    using DomainTermExpr = TermExpr>; 
 
    /// 
    /// Denotes the fact that the key of the current tuple comes from a specific extent, or association role 
    /// 
    internal class RoleBoolean : TrueFalseLiteral
    {
 
        #region Constructor
        internal RoleBoolean(EntitySetBase extent) 
        { 
            m_metadataItem = extent;
        } 
        internal RoleBoolean(AssociationSetEnd end)
        {
            m_metadataItem = end;
        } 
        #endregion
 
        #region Fields 
        private MetadataItem m_metadataItem;
        #endregion 

        #region BoolLiteral members
        internal override StringBuilder AsCql(StringBuilder builder, string blockAlias, bool canSkipIsNotNull)
        { 
            ToCompactString(builder);
            builder.Append("("); 
            builder.Append(blockAlias); 
            builder.Append(")");
            return builder; 
        }

        internal override StringBuilder AsUserString(StringBuilder builder, string blockAlias, bool canSkipIsNotNull)
        { 
            AssociationSetEnd end = m_metadataItem as AssociationSetEnd;
            if (end != null) 
            { 
                builder.Append(Strings.ViewGen_AssociationSet_AsUserString(blockAlias, end.Name, end.ParentAssociationSet));
            } 
            else
            {
                builder.Append(Strings.ViewGen_EntitySet_AsUserString(blockAlias, m_metadataItem.ToString()));
            } 
            return builder;
        } 
 
        internal override StringBuilder AsNegatedUserString(StringBuilder builder, string blockAlias, bool canSkipIsNotNull)
        { 
            AssociationSetEnd end = m_metadataItem as AssociationSetEnd;
            if (end != null)
            {
                builder.Append(Strings.ViewGen_AssociationSet_AsUserString_Negated(blockAlias, end.Name, end.ParentAssociationSet)); 
            }
            else 
            { 
                builder.Append(Strings.ViewGen_EntitySet_AsUserString_Negated(blockAlias, m_metadataItem.ToString()));
            } 
            return builder;
        }

        internal override void GetRequiredSlots(MemberProjectionIndex projectedSlotMap, bool[] requiredSlots) 
        {
            throw new NotImplementedException(); 
        } 

        protected override bool IsEqualTo(BoolLiteral right) 
        {
            RoleBoolean rightBoolean = right as RoleBoolean;
            if (rightBoolean == null)
            { 
                return false;
            } 
            return m_metadataItem == rightBoolean.m_metadataItem; 
        }
 
        protected override int GetHash()
        {
            return m_metadataItem.GetHashCode();
        } 

        // effects: See BoolExpression.RemapBool 
        internal override BoolLiteral RemapBool(Dictionary remap) 
        {
            return this; 
        }
        #endregion

        #region Other Methods 
        internal override void ToCompactString(StringBuilder builder)
        { 
            AssociationSetEnd end = m_metadataItem as AssociationSetEnd; 
            if (end != null)
            { 
                builder.Append("InEnd:" + end.ParentAssociationSet + "_" + end.Name);
            }
            else
            { 
                builder.Append("InSet:" + m_metadataItem.ToString());
            } 
        } 

        #endregion 
    }
}

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

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