Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / ndp / fx / src / DLinq / Dlinq / SqlClient / Common / Expressions.cs / 1 / Expressions.cs
using System; using System.Collections.Generic; using System.Data; using System.Data.SqlClient; using System.Linq.Expressions; using System.Linq; using System.Reflection; using System.Text; using System.Data.Linq; namespace System.Data.Linq.SqlClient { // SQL Client extensions to ExpressionType internal enum InternalExpressionType { Known = 2000, LinkedTable = 2001 } abstract internal class InternalExpression : Expression { internal InternalExpression(InternalExpressionType nt, Type type) : base ((ExpressionType)nt, type) { } internal static KnownExpression Known(SqlExpression expr) { return new KnownExpression(expr, expr.ClrType); } internal static KnownExpression Known(SqlNode node, Type type) { return new KnownExpression(node, type); } } internal sealed class KnownExpression : InternalExpression { SqlNode node; internal KnownExpression(SqlNode node, Type type) : base(InternalExpressionType.Known, type) { this.node = node; } internal SqlNode Node { get { return this.node; } } } internal sealed class LinkedTableExpression : InternalExpression { private SqlLink link; private ITable table; internal LinkedTableExpression(SqlLink link, ITable table, Type type) : base(InternalExpressionType.LinkedTable, type) { this.link = link; this.table = table; } internal SqlLink Link { get {return this.link;} } internal ITable Table { get {return this.table;} } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. using System; using System.Collections.Generic; using System.Data; using System.Data.SqlClient; using System.Linq.Expressions; using System.Linq; using System.Reflection; using System.Text; using System.Data.Linq; namespace System.Data.Linq.SqlClient { // SQL Client extensions to ExpressionType internal enum InternalExpressionType { Known = 2000, LinkedTable = 2001 } abstract internal class InternalExpression : Expression { internal InternalExpression(InternalExpressionType nt, Type type) : base ((ExpressionType)nt, type) { } internal static KnownExpression Known(SqlExpression expr) { return new KnownExpression(expr, expr.ClrType); } internal static KnownExpression Known(SqlNode node, Type type) { return new KnownExpression(node, type); } } internal sealed class KnownExpression : InternalExpression { SqlNode node; internal KnownExpression(SqlNode node, Type type) : base(InternalExpressionType.Known, type) { this.node = node; } internal SqlNode Node { get { return this.node; } } } internal sealed class LinkedTableExpression : InternalExpression { private SqlLink link; private ITable table; internal LinkedTableExpression(SqlLink link, ITable table, Type type) : base(InternalExpressionType.LinkedTable, type) { this.link = link; this.table = table; } internal SqlLink Link { get {return this.link;} } internal ITable Table { get {return this.table;} } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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