72 lines
2.2 KiB
C#
72 lines
2.2 KiB
C#
//---------------------------------------------------------------------
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// <copyright file="NavigationExpr.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//
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// @owner [....]
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// @backupOwner [....]
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//---------------------------------------------------------------------
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namespace System.Data.Common.EntitySql.AST
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{
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using System;
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using System.Globalization;
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using System.Collections;
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using System.Collections.Generic;
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/// <summary>
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/// Represents a relationship navigation operator NAVIGATE(sourceRefExpr, Relationship-Type-Name [,ToEndName [,FromEndName]]).
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/// Also used in WITH RELATIONSHIP clause as RELATIONSHIP(targetRefExpr, Relationship-Type-Name [,FromEndName [,ToEndName]]).
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/// </summary>
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internal sealed class RelshipNavigationExpr : Node
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{
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private readonly Node _refExpr;
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private readonly Node _relshipTypeName;
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private readonly Identifier _toEndIdentifier;
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private readonly Identifier _fromEndIdentifier;
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/// <summary>
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/// Initializes relationship navigation expression.
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/// </summary>
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internal RelshipNavigationExpr(Node refExpr, Node relshipTypeName, Identifier toEndIdentifier, Identifier fromEndIdentifier)
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{
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_refExpr = refExpr;
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_relshipTypeName = relshipTypeName;
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_toEndIdentifier = toEndIdentifier;
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_fromEndIdentifier = fromEndIdentifier;
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}
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/// <summary>
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/// Entity reference expression.
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/// </summary>
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internal Node RefExpr
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{
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get { return _refExpr; }
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}
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/// <summary>
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/// Relship type name.
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/// </summary>
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internal Node TypeName
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{
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get { return _relshipTypeName; }
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}
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/// <summary>
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/// TO end identifier.
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/// </summary>
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internal Identifier ToEndIdentifier
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{
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get { return _toEndIdentifier; }
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}
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/// <summary>
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/// FROM end identifier.
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/// </summary>
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internal Identifier FromEndIdentifier
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{
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get { return _fromEndIdentifier; }
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}
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}
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}
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