Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / ndp / fx / src / DataEntity / System / Data / Metadata / Edm / ReadOnlyMetadataCollection.cs / 2 / ReadOnlyMetadataCollection.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....], [....] //--------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Data.Common; using System.Diagnostics; using System.Reflection; using System.Text; namespace System.Data.Metadata.Edm { ////// Class representing a read-only wrapper around MetadataCollection /// ///The type of items in this collection public class ReadOnlyMetadataCollection: System.Collections.ObjectModel.ReadOnlyCollection where T : MetadataItem { #region Constructors /// /// The constructor for constructing a read-only metadata collection to wrap another MetadataCollection. /// /// The metadata collection to wrap ///Thrown if collection argument is null internal ReadOnlyMetadataCollection(IListcollection) : base(collection) { } #endregion #region InnerClasses // On the surface, this Enumerator doesn't do anything but delegating to the underlying enumerator /// /// The enumerator for MetadataCollection /// [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1815:OverrideEqualsAndOperatorEqualsOnValueTypes")] public struct Enumerator : IEnumerator{ /// /// Constructor for the enumerator /// /// The collection that this enumerator should enumerate on internal Enumerator(IListcollection) { _parent = collection; _nextIndex = 0; _current = null; } private int _nextIndex; private IList _parent; private T _current; /// /// Gets the member at the current position /// public T Current { get { return _current; } } ////// Gets the member at the current position /// object IEnumerator.Current { get { return this.Current; } } ////// Dispose this enumerator /// public void Dispose() { } ////// Move to the next member in the collection /// ///True if the enumerator is moved public bool MoveNext() { if ((uint)_nextIndex < (uint)_parent.Count) { _current = _parent[_nextIndex]; _nextIndex++; return true; } _current = null; return false; } ////// Sets the enumerator to the initial position before the first member /// public void Reset() { _current = null; _nextIndex = 0; } } #endregion #region Properties ////// Gets whether the collection is a readonly collection /// public bool IsReadOnly { get { return true; } } ////// Gets an item from the collection with the given identity /// /// The identity of the item to search for ///An item from the collection ///Thrown if identity argument passed in is null ///Thrown if setter is called public virtual T this[string identity] { get { return (((MetadataCollection)this.Items)[identity]); } } /// /// Returns the metadata collection over which this collection is the view /// internal MetadataCollectionSource { get { return (MetadataCollection )this.Items; } } #endregion #region Methods /// /// Gets an item from the collection with the given identity /// /// The identity of the item to search for /// Whether case is ignore in the search ///An item from the collection ///Thrown if identity argument passed in is null ///Thrown if the Collection does not have an item with the given identity public virtual T GetValue(string identity, bool ignoreCase) { return ((MetadataCollection)this.Items).GetValue(identity, ignoreCase); } /// /// Determines if this collection contains an item of the given identity /// /// The identity of the item to check for ///True if the collection contains the item with the given identity ///Thrown if identity argument passed in is null ///Thrown if identity argument passed in is empty string public virtual bool Contains(string identity) { return ((MetadataCollection)this.Items).ContainsIdentity(identity); } /// /// Gets an item from the collection with the given identity /// /// The identity of the item to search for /// Whether case is ignore in the search /// An item from the collection, null if the item is not found ///True an item is retrieved ///if identity argument is null public virtual bool TryGetValue(string identity, bool ignoreCase, out T item) { return ((MetadataCollection)this.Items).TryGetValue(identity, ignoreCase, out item); } /// /// Gets the enumerator over this collection /// ///public new Enumerator GetEnumerator() { return new Enumerator(this.Items); } /// /// Workaround for bug /// /// ///public new virtual int IndexOf(T value) { return base.IndexOf(value); } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....], [....] //--------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Data.Common; using System.Diagnostics; using System.Reflection; using System.Text; namespace System.Data.Metadata.Edm { ////// Class representing a read-only wrapper around MetadataCollection /// ///The type of items in this collection public class ReadOnlyMetadataCollection: System.Collections.ObjectModel.ReadOnlyCollection where T : MetadataItem { #region Constructors /// /// The constructor for constructing a read-only metadata collection to wrap another MetadataCollection. /// /// The metadata collection to wrap ///Thrown if collection argument is null internal ReadOnlyMetadataCollection(IListcollection) : base(collection) { } #endregion #region InnerClasses // On the surface, this Enumerator doesn't do anything but delegating to the underlying enumerator /// /// The enumerator for MetadataCollection /// [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1815:OverrideEqualsAndOperatorEqualsOnValueTypes")] public struct Enumerator : IEnumerator{ /// /// Constructor for the enumerator /// /// The collection that this enumerator should enumerate on internal Enumerator(IListcollection) { _parent = collection; _nextIndex = 0; _current = null; } private int _nextIndex; private IList _parent; private T _current; /// /// Gets the member at the current position /// public T Current { get { return _current; } } ////// Gets the member at the current position /// object IEnumerator.Current { get { return this.Current; } } ////// Dispose this enumerator /// public void Dispose() { } ////// Move to the next member in the collection /// ///True if the enumerator is moved public bool MoveNext() { if ((uint)_nextIndex < (uint)_parent.Count) { _current = _parent[_nextIndex]; _nextIndex++; return true; } _current = null; return false; } ////// Sets the enumerator to the initial position before the first member /// public void Reset() { _current = null; _nextIndex = 0; } } #endregion #region Properties ////// Gets whether the collection is a readonly collection /// public bool IsReadOnly { get { return true; } } ////// Gets an item from the collection with the given identity /// /// The identity of the item to search for ///An item from the collection ///Thrown if identity argument passed in is null ///Thrown if setter is called public virtual T this[string identity] { get { return (((MetadataCollection)this.Items)[identity]); } } /// /// Returns the metadata collection over which this collection is the view /// internal MetadataCollectionSource { get { return (MetadataCollection )this.Items; } } #endregion #region Methods /// /// Gets an item from the collection with the given identity /// /// The identity of the item to search for /// Whether case is ignore in the search ///An item from the collection ///Thrown if identity argument passed in is null ///Thrown if the Collection does not have an item with the given identity public virtual T GetValue(string identity, bool ignoreCase) { return ((MetadataCollection)this.Items).GetValue(identity, ignoreCase); } /// /// Determines if this collection contains an item of the given identity /// /// The identity of the item to check for ///True if the collection contains the item with the given identity ///Thrown if identity argument passed in is null ///Thrown if identity argument passed in is empty string public virtual bool Contains(string identity) { return ((MetadataCollection)this.Items).ContainsIdentity(identity); } /// /// Gets an item from the collection with the given identity /// /// The identity of the item to search for /// Whether case is ignore in the search /// An item from the collection, null if the item is not found ///True an item is retrieved ///if identity argument is null public virtual bool TryGetValue(string identity, bool ignoreCase, out T item) { return ((MetadataCollection)this.Items).TryGetValue(identity, ignoreCase, out item); } /// /// Gets the enumerator over this collection /// ///public new Enumerator GetEnumerator() { return new Enumerator(this.Items); } /// /// Workaround for bug /// /// ///public new virtual int IndexOf(T value) { return base.IndexOf(value); } #endregion } } // 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
- TranslateTransform3D.cs
- FormViewDeleteEventArgs.cs
- EditorPartChrome.cs
- ClientBuildManagerCallback.cs
- WhitespaceRule.cs
- DefaultValueAttribute.cs
- MoveSizeWinEventHandler.cs
- WhereaboutsReader.cs
- Transform3DGroup.cs
- SiteMapNodeItemEventArgs.cs
- unitconverter.cs
- Command.cs
- RealizationContext.cs
- ConnectivityStatus.cs
- TreeNodeSelectionProcessor.cs
- DataTemplate.cs
- XsltArgumentList.cs
- SerialPort.cs
- BamlResourceContent.cs
- FilePrompt.cs
- SafeReadContext.cs
- DirectoryNotFoundException.cs
- CqlBlock.cs
- PropertyValueUIItem.cs
- PointAnimationBase.cs
- SectionXmlInfo.cs
- AdPostCacheSubstitution.cs
- ZipIOLocalFileDataDescriptor.cs
- SchemaElement.cs
- PolyLineSegmentFigureLogic.cs
- XmlSchemaNotation.cs
- WindowsFormsEditorServiceHelper.cs
- Single.cs
- ConfigXmlElement.cs
- SmiRecordBuffer.cs
- StateManager.cs
- OptimisticConcurrencyException.cs
- SafeArchiveContext.cs
- TailPinnedEventArgs.cs
- Privilege.cs
- AccessKeyManager.cs
- ExpressionBuilderContext.cs
- XmlNamedNodeMap.cs
- Membership.cs
- XmlArrayItemAttribute.cs
- SchemaCollectionPreprocessor.cs
- EnumerableCollectionView.cs
- DataBoundControl.cs
- ControlPropertyNameConverter.cs
- DragEvent.cs
- PartitionResolver.cs
- LayoutUtils.cs
- WorkflowQueuingService.cs
- QueryPageSettingsEventArgs.cs
- RegexParser.cs
- RangeBaseAutomationPeer.cs
- EdmPropertyAttribute.cs
- Stream.cs
- MULTI_QI.cs
- SecurityUtils.cs
- EventLogRecord.cs
- Button.cs
- HebrewNumber.cs
- MemberPath.cs
- TrackingLocation.cs
- OdbcReferenceCollection.cs
- RootProfilePropertySettingsCollection.cs
- ResizeGrip.cs
- SecurityContext.cs
- Triangle.cs
- InputQueue.cs
- OpacityConverter.cs
- FlowPanelDesigner.cs
- FieldNameLookup.cs
- ToolTip.cs
- XmlNodeChangedEventManager.cs
- Int64Storage.cs
- IsolationInterop.cs
- ParentUndoUnit.cs
- Win32Native.cs
- UInt32.cs
- FontDialog.cs
- SqlConnectionString.cs
- OutputWindow.cs
- KnownTypeAttribute.cs
- DoubleAnimationBase.cs
- TextTreeNode.cs
- RectangleGeometry.cs
- SchemaImporterExtensionElement.cs
- ValidationEventArgs.cs
- HttpStaticObjectsCollectionBase.cs
- MonthChangedEventArgs.cs
- ThemeDictionaryExtension.cs
- Query.cs
- OracleBFile.cs
- DirectoryRootQuery.cs
- ResourceAssociationSetEnd.cs
- X509IssuerSerialKeyIdentifierClause.cs
- HelloMessage11.cs
- InheritanceAttribute.cs