89 lines
3.1 KiB
C#
89 lines
3.1 KiB
C#
//---------------------------------------------------------------------
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// <copyright file="ParseResult.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 Microsoft
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// @backupOwner Microsoft
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//---------------------------------------------------------------------
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namespace System.Data.Common.EntitySql
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{
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using System.Collections.Generic;
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using System.Data.Common.CommandTrees;
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using System.Data.Common.EntitySql;
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using System.Data.Common.Utils;
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using System.Data.Metadata.Edm;
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using System.Diagnostics;
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/// <summary>
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/// Entity SQL Parser result information.
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/// </summary>
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public sealed class ParseResult
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{
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private readonly DbCommandTree _commandTree;
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private readonly System.Collections.ObjectModel.ReadOnlyCollection<FunctionDefinition> _functionDefs;
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internal ParseResult(DbCommandTree commandTree, List<FunctionDefinition> functionDefs)
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{
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EntityUtil.CheckArgumentNull(commandTree, "commandTree");
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EntityUtil.CheckArgumentNull(functionDefs, "functionDefs");
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this._commandTree = commandTree;
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this._functionDefs = functionDefs.AsReadOnly();
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}
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/// <summary>
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/// A command tree produced during parsing.
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/// </summary>
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public DbCommandTree CommandTree { get { return _commandTree; } }
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/// <summary>
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/// List of <see cref="FunctionDefinition"/> objects describing query inline function definitions.
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/// </summary>
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public System.Collections.ObjectModel.ReadOnlyCollection<FunctionDefinition> FunctionDefinitions { get { return this._functionDefs; } }
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}
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/// <summary>
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/// Entity SQL query inline function definition, returned as a part of <see cref="ParseResult"/>.
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/// </summary>
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public sealed class FunctionDefinition
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{
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private readonly string _name;
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private readonly DbLambda _lambda;
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private readonly int _startPosition;
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private readonly int _endPosition;
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internal FunctionDefinition(string name, DbLambda lambda, int startPosition, int endPosition)
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{
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Debug.Assert(name != null, "name can not be null");
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Debug.Assert(lambda != null, "lambda cannot be null");
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this._name = name;
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this._lambda = lambda;
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this._startPosition = startPosition;
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this._endPosition = endPosition;
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}
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/// <summary>
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/// Function name.
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/// </summary>
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public string Name { get { return this._name; } }
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/// <summary>
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/// Function body and parameters.
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/// </summary>
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public DbLambda Lambda { get { return this._lambda; } }
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/// <summary>
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/// Start position of the function definition in the eSQL query text.
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/// </summary>
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public int StartPosition { get { return this._startPosition; } }
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/// <summary>
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/// End position of the function definition in the eSQL query text.
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/// </summary>
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public int EndPosition { get { return this._endPosition; } }
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}
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}
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