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(Dictionaryremap) { 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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