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/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / Common / EntitySql / ParserOptions.cs / 1305376 / ParserOptions.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- namespace System.Data.Common.EntitySql { using System; using System.Globalization; // // disables XML doc overloads warning as error // #pragma warning disable 0419 ////// Represents eSQL Text Compilation options. /// ParserOptions can be optionaly passed to CqlQuery.Compile or CqlQuery.Parse methods /// internal sealed class ParserOptions { //////
///Thrown if the properties are changed after being consumed by CqlQuery.Parse or CqlQuery.Compile ////// Once ParserOptions is passed and consumed by Compile or Parse Methods, it cannot be changed. /// If a setter is called after a ParserOptions instance is consumed by Parse or Compile methods, a EntityException will be raised. /// ///- ///
Compile Method - ///
Parse Method /// Makes options read-only /// ///internal ParserOptions MakeReadOnly() { _bReadOnly = true; return this; } private bool _bReadOnly = false; internal enum CompilationMode { /// /// Normal mode. Compiles eSQL command without restrictions. /// NormalMode, ////// View generation mode: optimizes compilation process to ignore uncessary eSQL constructs: /// - GROUP BY, HAVING and ORDER BY clauses are ignored. /// - WITH RELATIONSHIP clause is allowed in type constructors. /// RestrictedViewGenerationMode, ////// Same as CompilationMode.Normal plus WITH RELATIONSHIP clause is allowed in type constructors. /// UserViewGenerationMode } ////// Sets/Gets eSQL parser compilation mode. /// internal CompilationMode ParserCompilationMode { get { return _compilationMode; } set { CheckIfReadOnly(); _compilationMode = value; } } private CompilationMode _compilationMode = CompilationMode.NormalMode; ////// Verify if setters are allowed. /// private void CheckIfReadOnly() { if (_bReadOnly) { throw EntityUtil.EntitySqlError(System.Data.Entity.Strings.PropertyCannotBeChangedAtThisTime); } } } #pragma warning restore 0419 } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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