Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / EntityClient / EntityProviderFactory.cs / 1305376 / EntityProviderFactory.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System.Collections.Generic; using System.Diagnostics.CodeAnalysis; using System.Text; using System.Data; using System.Data.Common; using System.Security; using System.Security.Permissions; namespace System.Data.EntityClient { ////// Class representing a provider factory for the entity client provider /// public sealed class EntityProviderFactory : DbProviderFactory, IServiceProvider { ////// A singleton object for the entity client provider factory object /// [SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes", Justification = "EntityProviderFactory implements the singleton pattern and it's stateless. This is needed in order to work with DbProviderFactories.")] public static readonly EntityProviderFactory Instance = new EntityProviderFactory(); ////// Constructs the EntityProviderFactory object, this is private as users shouldn't create it directly /// private EntityProviderFactory() { } ////// Creates a EntityCommand object and returns it /// ///A EntityCommand object public override DbCommand CreateCommand() { return new EntityCommand(); } ////// Creates a EntityCommandBuilder object and returns it /// ///A EntityCommandBuilder object ///public override DbCommandBuilder CreateCommandBuilder() { throw EntityUtil.NotSupported(); } /// /// Creates a EntityConnection object and returns it /// ///A EntityConnection object public override DbConnection CreateConnection() { return new EntityConnection(); } ////// Creates a EntityConnectionStringBuilder object and returns it /// ///A EntityConnectionStringBuilder object public override DbConnectionStringBuilder CreateConnectionStringBuilder() { return new EntityConnectionStringBuilder(); } ////// Creates a DbDataAdapter object and returns it, this method is currently not supported /// ///A DbDataAdapter object ///public override DbDataAdapter CreateDataAdapter() { throw EntityUtil.NotSupported(); } /// /// Creates a EntityParameter object and returns it /// ///A EntityParameter object public override DbParameter CreateParameter() { return new EntityParameter(); } ////// Creates a CodeAccessPermission object and returns it /// /// The permission state level for the code access ///A CodeAccessPermission object public override CodeAccessPermission CreatePermission(PermissionState state) { throw EntityUtil.NotSupported(); } ////// Extension mechanism for additional services; /// ///requested service provider or null. object IServiceProvider.GetService(Type serviceType) { object result = null; if (serviceType == typeof(DbProviderServices)) { result = EntityProviderServices.Instance; } else if (serviceType == typeof(IEntityAdapter)) { result = new EntityAdapter(); } return result; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ExpressionBindingsDialog.cs
- SqlBuilder.cs
- HtmlUtf8RawTextWriter.cs
- NavigatorOutput.cs
- Rect.cs
- BamlStream.cs
- ELinqQueryState.cs
- DomNameTable.cs
- CurrencyWrapper.cs
- OdbcConnectionString.cs
- SiblingIterators.cs
- XmlNodeChangedEventManager.cs
- DecoratedNameAttribute.cs
- Win32Native.cs
- ZipIOEndOfCentralDirectoryBlock.cs
- SkipQueryOptionExpression.cs
- ProcessDesigner.cs
- DataGrid.cs
- RegisteredExpandoAttribute.cs
- ComboBox.cs
- Rotation3DAnimationUsingKeyFrames.cs
- ISFTagAndGuidCache.cs
- AlternateView.cs
- MenuRendererClassic.cs
- EntityDataSourceView.cs
- ContentPlaceHolder.cs
- SystemFonts.cs
- ZoneMembershipCondition.cs
- SystemIPInterfaceStatistics.cs
- ClientSettingsStore.cs
- ProcessHostServerConfig.cs
- DecoratedNameAttribute.cs
- xsdvalidator.cs
- NewExpression.cs
- FocusManager.cs
- IndexedString.cs
- VirtualizingPanel.cs
- FontNamesConverter.cs
- ParentUndoUnit.cs
- StringArrayEditor.cs
- BaseInfoTable.cs
- Source.cs
- TracingConnection.cs
- ValidatingReaderNodeData.cs
- HttpHandlerAction.cs
- Triplet.cs
- PenCursorManager.cs
- EventProviderTraceListener.cs
- ThrowHelper.cs
- PropertyValueUIItem.cs
- XPathNavigatorKeyComparer.cs
- XmlSchemaSet.cs
- ResourceReferenceExpression.cs
- As.cs
- ApplicationSecurityManager.cs
- FileDialogPermission.cs
- StoryFragments.cs
- ToolStripItem.cs
- Helper.cs
- PreProcessInputEventArgs.cs
- DataGridViewSelectedRowCollection.cs
- mactripleDES.cs
- SqlTypeSystemProvider.cs
- _LoggingObject.cs
- ConfigDefinitionUpdates.cs
- LambdaExpression.cs
- PageCache.cs
- PackagingUtilities.cs
- LicenseException.cs
- XmlFormatReaderGenerator.cs
- AxisAngleRotation3D.cs
- DebugTracing.cs
- BridgeDataRecord.cs
- LogWriteRestartAreaState.cs
- CalendarSelectionChangedEventArgs.cs
- ManifestResourceInfo.cs
- complextypematerializer.cs
- CodeSubDirectoriesCollection.cs
- UserInitiatedRoutedEventPermissionAttribute.cs
- ThousandthOfEmRealDoubles.cs
- SubstitutionResponseElement.cs
- XmlEncoding.cs
- Wizard.cs
- Rect3DValueSerializer.cs
- SafeReversePInvokeHandle.cs
- ProfessionalColors.cs
- XmlNodeChangedEventArgs.cs
- DeferredElementTreeState.cs
- PageHandlerFactory.cs
- OracleCommandBuilder.cs
- CodeDomSerializer.cs
- SystemColors.cs
- LOSFormatter.cs
- MessageEncoder.cs
- ProxyWebPartManager.cs
- DataKeyArray.cs
- GlyphElement.cs
- WindowsSecurityToken.cs
- QuaternionAnimationBase.cs
- TreeIterators.cs