Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / ndp / fx / src / DataEntity / System / Data / Metadata / MetadataArtifactLoaderXmlReaderWrapper.cs / 1 / MetadataArtifactLoaderXmlReaderWrapper.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] //--------------------------------------------------------------------- using System.Collections.Generic; using System.Collections; using System.Diagnostics; using System.Text; using System.Xml; using System.Security.Permissions; namespace System.Data.Metadata.Edm { ////// This class represents a wrapper around an XmlReader to be used to load metadata. /// Note that the XmlReader object isn't created here -- the wrapper simply stores /// a reference to it -- therefore we do not Close() the reader when we Dispose() /// the wrapper, i.e., Dispose() is a no-op. /// internal class MetadataArtifactLoaderXmlReaderWrapper : MetadataArtifactLoader, IComparable { private readonly XmlReader _reader = null; private readonly string _resourceUri = null; ////// Constructor - saves off the XmlReader in a private data field /// /// The path to the resource to load public MetadataArtifactLoaderXmlReaderWrapper(XmlReader xmlReader) { _reader = xmlReader; _resourceUri = xmlReader.BaseURI; } public override string Path { get { if (string.IsNullOrEmpty(this._resourceUri)) { return string.Empty; } else { return this._resourceUri; } } } ////// 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) { MetadataArtifactLoaderXmlReaderWrapper loader = obj as MetadataArtifactLoaderXmlReaderWrapper; if (loader != null) { if (Object.ReferenceEquals(this._reader, loader._reader)) { return 0; } else { return -1; } } Debug.Assert(false, "object is not a MetadataArtifactLoaderXmlReaderWrapper"); 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 _reader.GetHashCode(); } public override void CollectFilePermissionPaths(List paths, DataSpace spaceToGet) { // no op } /// /// 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 (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() { return new List (new string[] { Path }); } /// /// Get XmlReaders for all resources /// ///A List of XmlReaders for all resources public override ListGetReaders(Dictionary sourceDictionary) { List list = new List (); list.Add(this._reader); if (sourceDictionary != null) { sourceDictionary.Add(this, _reader); } return list; } /// /// Create and return an XmlReader around the resource 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 (MetadataArtifactLoader.IsArtifactOfDataSpace(Path, spaceToGet)) { list.Add(_reader); } return list; } } } // 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.Text; using System.Xml; using System.Security.Permissions; namespace System.Data.Metadata.Edm { ////// This class represents a wrapper around an XmlReader to be used to load metadata. /// Note that the XmlReader object isn't created here -- the wrapper simply stores /// a reference to it -- therefore we do not Close() the reader when we Dispose() /// the wrapper, i.e., Dispose() is a no-op. /// internal class MetadataArtifactLoaderXmlReaderWrapper : MetadataArtifactLoader, IComparable { private readonly XmlReader _reader = null; private readonly string _resourceUri = null; ////// Constructor - saves off the XmlReader in a private data field /// /// The path to the resource to load public MetadataArtifactLoaderXmlReaderWrapper(XmlReader xmlReader) { _reader = xmlReader; _resourceUri = xmlReader.BaseURI; } public override string Path { get { if (string.IsNullOrEmpty(this._resourceUri)) { return string.Empty; } else { return this._resourceUri; } } } ////// 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) { MetadataArtifactLoaderXmlReaderWrapper loader = obj as MetadataArtifactLoaderXmlReaderWrapper; if (loader != null) { if (Object.ReferenceEquals(this._reader, loader._reader)) { return 0; } else { return -1; } } Debug.Assert(false, "object is not a MetadataArtifactLoaderXmlReaderWrapper"); 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 _reader.GetHashCode(); } public override void CollectFilePermissionPaths(List paths, DataSpace spaceToGet) { // no op } /// /// 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 (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() { return new List (new string[] { Path }); } /// /// Get XmlReaders for all resources /// ///A List of XmlReaders for all resources public override ListGetReaders(Dictionary sourceDictionary) { List list = new List (); list.Add(this._reader); if (sourceDictionary != null) { sourceDictionary.Add(this, _reader); } return list; } /// /// Create and return an XmlReader around the resource 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 (MetadataArtifactLoader.IsArtifactOfDataSpace(Path, spaceToGet)) { list.Add(_reader); } return list; } } } // 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
- DownloadProgressEventArgs.cs
- HtmlInputCheckBox.cs
- FormsAuthentication.cs
- SecurityTokenContainer.cs
- HttpChannelHelpers.cs
- DefaultPropertyAttribute.cs
- LinkDescriptor.cs
- HealthMonitoringSectionHelper.cs
- TeredoHelper.cs
- PackWebRequestFactory.cs
- XamlPointCollectionSerializer.cs
- ConnectionInterfaceCollection.cs
- AssertUtility.cs
- TreeNodeStyleCollection.cs
- AnnotationComponentChooser.cs
- EventRouteFactory.cs
- WebPartCollection.cs
- Qualifier.cs
- UInt64Converter.cs
- TimersDescriptionAttribute.cs
- CompressStream.cs
- EdmItemCollection.cs
- MetadataItemCollectionFactory.cs
- OleDbEnumerator.cs
- ImageCodecInfoPrivate.cs
- ExtensionFile.cs
- DataObject.cs
- HtmlTernaryTree.cs
- FormsAuthenticationCredentials.cs
- ServiceContractAttribute.cs
- CornerRadius.cs
- BasePropertyDescriptor.cs
- RegexGroupCollection.cs
- ImportContext.cs
- OutputBuffer.cs
- XmlIlTypeHelper.cs
- MsmqChannelFactory.cs
- ComponentChangingEvent.cs
- ScrollEventArgs.cs
- CodeGenerator.cs
- HtmlContainerControl.cs
- HierarchicalDataBoundControlAdapter.cs
- StateBag.cs
- HeaderedContentControl.cs
- ContextMarshalException.cs
- ByteRangeDownloader.cs
- PngBitmapDecoder.cs
- TripleDES.cs
- ResourceDefaultValueAttribute.cs
- CellCreator.cs
- HeaderedContentControl.cs
- XmlSchemaInfo.cs
- MetadataArtifactLoaderCompositeFile.cs
- FileBasedResourceGroveler.cs
- MemoryStream.cs
- CqlGenerator.cs
- Literal.cs
- BoundField.cs
- WebPartMovingEventArgs.cs
- DataGridViewCell.cs
- ImportCatalogPart.cs
- PropertyEmitter.cs
- ShaderEffect.cs
- SmiEventSink.cs
- PropertyEmitter.cs
- ObjectComplexPropertyMapping.cs
- UrlAuthFailedErrorFormatter.cs
- XmlProcessingInstruction.cs
- XamlLoadErrorInfo.cs
- CqlBlock.cs
- MetadataSerializer.cs
- BasicKeyConstraint.cs
- RC2.cs
- ConfigurationLoader.cs
- ExcludePathInfo.cs
- SystemNetworkInterface.cs
- ColorTransform.cs
- WCFServiceClientProxyGenerator.cs
- Size.cs
- TextBlock.cs
- PolicyDesigner.cs
- TemplateControlCodeDomTreeGenerator.cs
- SqlFacetAttribute.cs
- ArgumentException.cs
- WebPartPersonalization.cs
- MdImport.cs
- CanonicalFontFamilyReference.cs
- GroupBoxAutomationPeer.cs
- BamlVersionHeader.cs
- ItemsChangedEventArgs.cs
- EditorZoneAutoFormat.cs
- OperationAbortedException.cs
- WinEventHandler.cs
- CryptoApi.cs
- ListChangedEventArgs.cs
- GradientStop.cs
- RuntimeTransactionHandle.cs
- ParallelTimeline.cs
- InplaceBitmapMetadataWriter.cs
- AffineTransform3D.cs