Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / ndp / fx / src / DataEntity / System / Data / Metadata / MetadataArtifactLoaderFile.cs / 3 / MetadataArtifactLoaderFile.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] //--------------------------------------------------------------------- using System.Collections.Generic; using System.Collections; using System.Diagnostics; using System.Globalization; using System.Reflection; using System.Text; using System.Xml; using System.Data.Mapping; using System.IO; using System.Security; using System.Security.Permissions; using System.Security.Cryptography; using System.Data.EntityModel.SchemaObjectModel; using System.Threading; namespace System.Data.Metadata.Edm { ////// This class represents one file-based artifact item to be loaded. /// internal class MetadataArtifactLoaderFile : MetadataArtifactLoader, IComparable { ////// This member indicates whether the file-based artifact has already been loaded. /// It is used to prevent other instances of this class from (re)loading the same /// artifact. See comment in the MetadataArtifactLoaderFile c'tor below. /// private readonly bool _alreadyLoaded = false; private readonly string _path; ////// Constructor /// /// The path to the resource to load /// The global registry of URIs public MetadataArtifactLoaderFile(string path, ICollectionuriRegistry) { _path = path; _alreadyLoaded = uriRegistry.Contains(_path); if (!_alreadyLoaded) { uriRegistry.Add(_path); // '_alreadyLoaded' is not set because while we would like to prevent // other instances of MetadataArtifactLoaderFile that wrap the same // _path from being added to the list of paths/readers, we do want to // include this particular instance. } } public override string Path { get { return _path; } } /// /// Implementation of IComparable.CompareTo() /// /// The object to compare to ///0 if the loaders are "equal" (i.e., have the same _path value) public int CompareTo(object obj) { MetadataArtifactLoaderFile loader = obj as MetadataArtifactLoaderFile; if (loader != null) { return string.Compare(_path, loader._path, StringComparison.OrdinalIgnoreCase); } Debug.Assert(false, "object is not a MetadataArtifactLoaderFile"); return -1; } ////// Equals() returns true if the objects have the same _path value /// /// The object to compare to ///true if the objects have the same _path value public override bool Equals(object obj) { return this.CompareTo(obj) == 0; } ////// GetHashCode override that defers the result to the _path member variable. /// ///public override int GetHashCode() { return _path.GetHashCode(); } public override void CollectFilePermissionPaths(List paths, DataSpace spaceToGet) { if (!_alreadyLoaded && MetadataArtifactLoader.IsArtifactOfDataSpace(_path, spaceToGet)) { paths.Add(_path); } } /// /// Get paths to artifacts for a specific DataSpace. /// /// The DataSpace for the artifacts of interest ///A List of strings identifying paths to all artifacts for a specific DataSpace public override ListGetPaths(DataSpace spaceToGet) { List list = new List (); if (!_alreadyLoaded && MetadataArtifactLoader.IsArtifactOfDataSpace(_path, spaceToGet)) { list.Add(_path); } return list; } /// /// Get paths to all artifacts /// ///A List of strings identifying paths to all resources public override ListGetPaths() { List list = new List (); if (!_alreadyLoaded) { list.Add(_path); } return list; } /// /// Create and return an XmlReader around the file represented by this instance. /// ///A List of XmlReaders for all resources public override ListGetReaders(Dictionary sourceDictionary) { List list = new List (); if (!_alreadyLoaded) { XmlReader reader = CreateXmlReader(); list.Add(reader); if (sourceDictionary != null) { sourceDictionary.Add(this, reader); } } return list; } /// /// Create and return an XmlReader around the file represented by this instance /// if it is of the requested DataSpace type. /// /// The DataSpace corresponding to the requested artifacts ///A List of XmlReader objects public override ListCreateReaders(DataSpace spaceToGet) { List list = new List (); if (!_alreadyLoaded && MetadataArtifactLoader.IsArtifactOfDataSpace(_path, spaceToGet)) { XmlReader reader = CreateXmlReader(); list.Add(reader); } return list; } /// /// Create an XmlReader around the artifact file /// ///An XmlReader that wraps a file private XmlReader CreateXmlReader() { XmlReaderSettings readerSettings = Schema.CreateEdmStandardXmlReaderSettings(); // we know that we aren't reading a fragment readerSettings.ConformanceLevel = ConformanceLevel.Document; return XmlReader.Create(_path, readerSettings); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] //--------------------------------------------------------------------- using System.Collections.Generic; using System.Collections; using System.Diagnostics; using System.Globalization; using System.Reflection; using System.Text; using System.Xml; using System.Data.Mapping; using System.IO; using System.Security; using System.Security.Permissions; using System.Security.Cryptography; using System.Data.EntityModel.SchemaObjectModel; using System.Threading; namespace System.Data.Metadata.Edm { ////// This class represents one file-based artifact item to be loaded. /// internal class MetadataArtifactLoaderFile : MetadataArtifactLoader, IComparable { ////// This member indicates whether the file-based artifact has already been loaded. /// It is used to prevent other instances of this class from (re)loading the same /// artifact. See comment in the MetadataArtifactLoaderFile c'tor below. /// private readonly bool _alreadyLoaded = false; private readonly string _path; ////// Constructor /// /// The path to the resource to load /// The global registry of URIs public MetadataArtifactLoaderFile(string path, ICollectionuriRegistry) { _path = path; _alreadyLoaded = uriRegistry.Contains(_path); if (!_alreadyLoaded) { uriRegistry.Add(_path); // '_alreadyLoaded' is not set because while we would like to prevent // other instances of MetadataArtifactLoaderFile that wrap the same // _path from being added to the list of paths/readers, we do want to // include this particular instance. } } public override string Path { get { return _path; } } /// /// Implementation of IComparable.CompareTo() /// /// The object to compare to ///0 if the loaders are "equal" (i.e., have the same _path value) public int CompareTo(object obj) { MetadataArtifactLoaderFile loader = obj as MetadataArtifactLoaderFile; if (loader != null) { return string.Compare(_path, loader._path, StringComparison.OrdinalIgnoreCase); } Debug.Assert(false, "object is not a MetadataArtifactLoaderFile"); return -1; } ////// Equals() returns true if the objects have the same _path value /// /// The object to compare to ///true if the objects have the same _path value public override bool Equals(object obj) { return this.CompareTo(obj) == 0; } ////// GetHashCode override that defers the result to the _path member variable. /// ///public override int GetHashCode() { return _path.GetHashCode(); } public override void CollectFilePermissionPaths(List paths, DataSpace spaceToGet) { if (!_alreadyLoaded && MetadataArtifactLoader.IsArtifactOfDataSpace(_path, spaceToGet)) { paths.Add(_path); } } /// /// Get paths to artifacts for a specific DataSpace. /// /// The DataSpace for the artifacts of interest ///A List of strings identifying paths to all artifacts for a specific DataSpace public override ListGetPaths(DataSpace spaceToGet) { List list = new List (); if (!_alreadyLoaded && MetadataArtifactLoader.IsArtifactOfDataSpace(_path, spaceToGet)) { list.Add(_path); } return list; } /// /// Get paths to all artifacts /// ///A List of strings identifying paths to all resources public override ListGetPaths() { List list = new List (); if (!_alreadyLoaded) { list.Add(_path); } return list; } /// /// Create and return an XmlReader around the file represented by this instance. /// ///A List of XmlReaders for all resources public override ListGetReaders(Dictionary sourceDictionary) { List list = new List (); if (!_alreadyLoaded) { XmlReader reader = CreateXmlReader(); list.Add(reader); if (sourceDictionary != null) { sourceDictionary.Add(this, reader); } } return list; } /// /// Create and return an XmlReader around the file represented by this instance /// if it is of the requested DataSpace type. /// /// The DataSpace corresponding to the requested artifacts ///A List of XmlReader objects public override ListCreateReaders(DataSpace spaceToGet) { List list = new List (); if (!_alreadyLoaded && MetadataArtifactLoader.IsArtifactOfDataSpace(_path, spaceToGet)) { XmlReader reader = CreateXmlReader(); list.Add(reader); } return list; } /// /// Create an XmlReader around the artifact file /// ///An XmlReader that wraps a file private XmlReader CreateXmlReader() { XmlReaderSettings readerSettings = Schema.CreateEdmStandardXmlReaderSettings(); // we know that we aren't reading a fragment readerSettings.ConformanceLevel = ConformanceLevel.Document; return XmlReader.Create(_path, readerSettings); } } } // 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
- PartialTrustHelpers.cs
- SystemIcmpV6Statistics.cs
- KeyFrames.cs
- SqlDataSourceAdvancedOptionsForm.cs
- SQLInt32.cs
- BuildProviderCollection.cs
- TypeDescriptionProviderAttribute.cs
- PrintPageEvent.cs
- Cursors.cs
- PersonalizationProvider.cs
- ExtractorMetadata.cs
- X509SecurityToken.cs
- ScrollEvent.cs
- XslAst.cs
- Hash.cs
- StringReader.cs
- ZipIOEndOfCentralDirectoryBlock.cs
- NamespaceImport.cs
- ComponentCommands.cs
- HttpRequest.cs
- ResourceAssociationType.cs
- ToolStripSplitStackLayout.cs
- MsmqAuthenticationMode.cs
- AttributeConverter.cs
- EarlyBoundInfo.cs
- CharacterHit.cs
- AccessedThroughPropertyAttribute.cs
- FixedHighlight.cs
- RemoteWebConfigurationHost.cs
- OleDbConnection.cs
- Floater.cs
- BinaryConverter.cs
- EntityDataSourceReferenceGroup.cs
- ChineseLunisolarCalendar.cs
- CodeSnippetTypeMember.cs
- IERequestCache.cs
- BinaryExpression.cs
- ServiceChannelFactory.cs
- ConnectionManagementSection.cs
- UriTemplateEquivalenceComparer.cs
- OracleBoolean.cs
- TabItemAutomationPeer.cs
- DetailsViewCommandEventArgs.cs
- LowerCaseStringConverter.cs
- CompiledIdentityConstraint.cs
- ProxyWebPartManagerDesigner.cs
- CompareValidator.cs
- ThrowHelper.cs
- FrameworkContentElementAutomationPeer.cs
- ByeOperation11AsyncResult.cs
- ScriptReferenceEventArgs.cs
- DocumentApplicationJournalEntry.cs
- MemberInfoSerializationHolder.cs
- SettingsPropertyValue.cs
- TimeoutException.cs
- TextBreakpoint.cs
- NativeMethods.cs
- Column.cs
- ShapeTypeface.cs
- MessageQueueTransaction.cs
- SetterBase.cs
- SubclassTypeValidator.cs
- As.cs
- BuildResultCache.cs
- RestHandlerFactory.cs
- ObjectView.cs
- WebReferenceCollection.cs
- WebPartHelpVerb.cs
- OperationCanceledException.cs
- LogicalExpr.cs
- Filter.cs
- MetabaseServerConfig.cs
- LinkGrep.cs
- Item.cs
- GlobalItem.cs
- CapabilitiesState.cs
- ResetableIterator.cs
- SecurityResources.cs
- DesignSurfaceManager.cs
- DrawingAttributes.cs
- DateTimeOffset.cs
- BitmapDownload.cs
- WebPart.cs
- LoadedOrUnloadedOperation.cs
- CommandConverter.cs
- dataprotectionpermission.cs
- FrameworkReadOnlyPropertyMetadata.cs
- SqlStream.cs
- ObjectTag.cs
- Matrix3D.cs
- SafeThreadHandle.cs
- SessionStateUtil.cs
- tooltip.cs
- BlockCollection.cs
- Switch.cs
- XmlSchemaAll.cs
- ConnectionProviderAttribute.cs
- RegexCapture.cs
- ExceptionTranslationTable.cs
- RichTextBoxConstants.cs