Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / xsp / System / Web / Util / ObjectSet.cs / 1 / ObjectSet.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * ObjectSet class * * Copyright (c) 1999 Microsoft Corporation */ // Generics are causing perf regressions, so don't use them for now until we can figure // it out (VSWhidbey 463572) //#define USEGENERICSET namespace System.Web.Util { using System.Reflection; using System.Collections; using System.Collections.Generic; #if USEGENERICSET /* * Holds a set of unique objects of a specific type */ internal class ObjectSet: ICollection , ICollection { protected const int StartingCapacity = 8; private class EmptyEnumerator : IEnumerator { object IEnumerator.Current { get { return null; } } T IEnumerator .Current { get { return default(T); } } bool IEnumerator.MoveNext() { return false; } void IEnumerator.Reset() { } void IDisposable.Dispose() { } } private static EmptyEnumerator _emptyEnumerator = new EmptyEnumerator(); private Dictionary _objects; protected virtual Dictionary CreateDictionary() { return new Dictionary (StartingCapacity); } public void AddCollection(ICollection c) { foreach (T o in c) { Add(o); } } public void Add(T o) { if (_objects == null) { _objects = CreateDictionary(); } _objects[o] = null; } public bool Remove(T o) { if (_objects == null) return false; return _objects.Remove(o); } public bool Contains(T o) { if (_objects == null) return false; return _objects.ContainsKey(o); } bool ICollection .IsReadOnly { get { return true; } } public void Clear() { if (_objects != null) _objects.Clear(); } IEnumerator IEnumerable .GetEnumerator() { if (_objects == null) return _emptyEnumerator; return _objects.Keys.GetEnumerator(); } IEnumerator IEnumerable.GetEnumerator() { if (_objects == null) return _emptyEnumerator; return _objects.Keys.GetEnumerator(); } public int Count { get { if (_objects == null) return 0; return _objects.Keys.Count; } } void ICollection .CopyTo(T[] array, int index) { if (_objects != null) _objects.Keys.CopyTo(array, index); } bool ICollection.IsSynchronized { get { if (_objects == null) return true; return ((ICollection)_objects.Keys).IsSynchronized; } } object ICollection.SyncRoot { get { if (_objects == null) return this; return ((ICollection)_objects.Keys).SyncRoot; } } public void CopyTo(Array array, int index) { if (_objects != null) ((ICollection)_objects.Keys).CopyTo(array, index); } } internal class StringSet : ObjectSet { } internal class CaseInsensitiveStringSet : StringSet { protected override Dictionary CreateDictionary() { return new Dictionary (StartingCapacity, StringComparer.InvariantCultureIgnoreCase); } } internal class VirtualPathSet : ObjectSet { } internal class AssemblySet : ObjectSet { internal static AssemblySet Create(ICollection c) { AssemblySet objectSet = new AssemblySet(); objectSet.AddCollection(c); return objectSet; } } internal class BuildProviderSet : ObjectSet { } internal class ControlSet : ObjectSet { } #else /* * Holds a set of unique objects */ internal class ObjectSet: ICollection { private class EmptyEnumerator: IEnumerator { public object Current { get { return null; } } public bool MoveNext() { return false; } public void Reset() {} } private static EmptyEnumerator _emptyEnumerator = new EmptyEnumerator(); private IDictionary _objects; internal ObjectSet() {} // By default, it's case sensitive protected virtual bool CaseInsensitive { get { return false; } } public void Add(object o) { if (_objects == null) _objects = new System.Collections.Specialized.HybridDictionary(CaseInsensitive); _objects[o] = null; } public void AddCollection(ICollection c) { foreach (object o in c) { Add(o); } } public void Remove(object o) { if (_objects == null) return; _objects.Remove(o); } public bool Contains(object o) { if (_objects == null) return false; return _objects.Contains(o); } IEnumerator IEnumerable.GetEnumerator() { if (_objects == null) return _emptyEnumerator; return _objects.Keys.GetEnumerator(); } public int Count { get { if (_objects == null) return 0; return _objects.Keys.Count; } } bool ICollection.IsSynchronized { get { if (_objects == null) return true; return _objects.Keys.IsSynchronized; } } object ICollection.SyncRoot { get { if (_objects == null) return this; return _objects.Keys.SyncRoot; } } public void CopyTo(Array array, int index) { if (_objects != null) _objects.Keys.CopyTo(array, index); } } internal class StringSet: ObjectSet { internal StringSet() {} } internal class CaseInsensitiveStringSet: StringSet { protected override bool CaseInsensitive { get { return true; } } } internal class VirtualPathSet : ObjectSet { internal VirtualPathSet() { } } internal class AssemblySet : ObjectSet { internal AssemblySet() { } internal static AssemblySet Create(ICollection c) { AssemblySet objectSet = new AssemblySet(); objectSet.AddCollection(c); return objectSet; } } internal class BuildProviderSet : ObjectSet { internal BuildProviderSet() { } } internal class ControlSet : ObjectSet { internal ControlSet() { } } #endif } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ // // Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * ObjectSet class * * Copyright (c) 1999 Microsoft Corporation */ // Generics are causing perf regressions, so don't use them for now until we can figure // it out (VSWhidbey 463572) //#define USEGENERICSET namespace System.Web.Util { using System.Reflection; using System.Collections; using System.Collections.Generic; #if USEGENERICSET /* * Holds a set of unique objects of a specific type */ internal class ObjectSet: ICollection , ICollection { protected const int StartingCapacity = 8; private class EmptyEnumerator : IEnumerator { object IEnumerator.Current { get { return null; } } T IEnumerator .Current { get { return default(T); } } bool IEnumerator.MoveNext() { return false; } void IEnumerator.Reset() { } void IDisposable.Dispose() { } } private static EmptyEnumerator _emptyEnumerator = new EmptyEnumerator(); private Dictionary _objects; protected virtual Dictionary CreateDictionary() { return new Dictionary (StartingCapacity); } public void AddCollection(ICollection c) { foreach (T o in c) { Add(o); } } public void Add(T o) { if (_objects == null) { _objects = CreateDictionary(); } _objects[o] = null; } public bool Remove(T o) { if (_objects == null) return false; return _objects.Remove(o); } public bool Contains(T o) { if (_objects == null) return false; return _objects.ContainsKey(o); } bool ICollection .IsReadOnly { get { return true; } } public void Clear() { if (_objects != null) _objects.Clear(); } IEnumerator IEnumerable .GetEnumerator() { if (_objects == null) return _emptyEnumerator; return _objects.Keys.GetEnumerator(); } IEnumerator IEnumerable.GetEnumerator() { if (_objects == null) return _emptyEnumerator; return _objects.Keys.GetEnumerator(); } public int Count { get { if (_objects == null) return 0; return _objects.Keys.Count; } } void ICollection .CopyTo(T[] array, int index) { if (_objects != null) _objects.Keys.CopyTo(array, index); } bool ICollection.IsSynchronized { get { if (_objects == null) return true; return ((ICollection)_objects.Keys).IsSynchronized; } } object ICollection.SyncRoot { get { if (_objects == null) return this; return ((ICollection)_objects.Keys).SyncRoot; } } public void CopyTo(Array array, int index) { if (_objects != null) ((ICollection)_objects.Keys).CopyTo(array, index); } } internal class StringSet : ObjectSet { } internal class CaseInsensitiveStringSet : StringSet { protected override Dictionary CreateDictionary() { return new Dictionary (StartingCapacity, StringComparer.InvariantCultureIgnoreCase); } } internal class VirtualPathSet : ObjectSet { } internal class AssemblySet : ObjectSet { internal static AssemblySet Create(ICollection c) { AssemblySet objectSet = new AssemblySet(); objectSet.AddCollection(c); return objectSet; } } internal class BuildProviderSet : ObjectSet { } internal class ControlSet : ObjectSet { } #else /* * Holds a set of unique objects */ internal class ObjectSet: ICollection { private class EmptyEnumerator: IEnumerator { public object Current { get { return null; } } public bool MoveNext() { return false; } public void Reset() {} } private static EmptyEnumerator _emptyEnumerator = new EmptyEnumerator(); private IDictionary _objects; internal ObjectSet() {} // By default, it's case sensitive protected virtual bool CaseInsensitive { get { return false; } } public void Add(object o) { if (_objects == null) _objects = new System.Collections.Specialized.HybridDictionary(CaseInsensitive); _objects[o] = null; } public void AddCollection(ICollection c) { foreach (object o in c) { Add(o); } } public void Remove(object o) { if (_objects == null) return; _objects.Remove(o); } public bool Contains(object o) { if (_objects == null) return false; return _objects.Contains(o); } IEnumerator IEnumerable.GetEnumerator() { if (_objects == null) return _emptyEnumerator; return _objects.Keys.GetEnumerator(); } public int Count { get { if (_objects == null) return 0; return _objects.Keys.Count; } } bool ICollection.IsSynchronized { get { if (_objects == null) return true; return _objects.Keys.IsSynchronized; } } object ICollection.SyncRoot { get { if (_objects == null) return this; return _objects.Keys.SyncRoot; } } public void CopyTo(Array array, int index) { if (_objects != null) _objects.Keys.CopyTo(array, index); } } internal class StringSet: ObjectSet { internal StringSet() {} } internal class CaseInsensitiveStringSet: StringSet { protected override bool CaseInsensitive { get { return true; } } } internal class VirtualPathSet : ObjectSet { internal VirtualPathSet() { } } internal class AssemblySet : ObjectSet { internal AssemblySet() { } internal static AssemblySet Create(ICollection c) { AssemblySet objectSet = new AssemblySet(); objectSet.AddCollection(c); return objectSet; } } internal class BuildProviderSet : ObjectSet { internal BuildProviderSet() { } } internal class ControlSet : ObjectSet { internal ControlSet() { } } #endif } // 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
- XmlHierarchyData.cs
- WebHeaderCollection.cs
- IntegerCollectionEditor.cs
- FunctionUpdateCommand.cs
- UnmanagedMemoryStreamWrapper.cs
- PointCollection.cs
- ColumnMapCopier.cs
- WMIInterop.cs
- TrustManagerPromptUI.cs
- QilLiteral.cs
- TreeViewImageIndexConverter.cs
- ValidationError.cs
- SmtpException.cs
- HttpCacheVaryByContentEncodings.cs
- Native.cs
- DatagridviewDisplayedBandsData.cs
- ByteRangeDownloader.cs
- ColumnTypeConverter.cs
- ConnectionManagementSection.cs
- SrgsSemanticInterpretationTag.cs
- DataGridTemplateColumn.cs
- IpcServerChannel.cs
- StyleSelector.cs
- ScriptControl.cs
- XmlSerializationReader.cs
- NotFiniteNumberException.cs
- VScrollProperties.cs
- ContainerAction.cs
- CodeTypeMemberCollection.cs
- MsmqMessageProperty.cs
- PathGeometry.cs
- ToolboxCategoryItems.cs
- PersianCalendar.cs
- TypeUtil.cs
- PlaceHolder.cs
- MultiAsyncResult.cs
- Win32PrintDialog.cs
- JsonFormatReaderGenerator.cs
- DataService.cs
- HebrewNumber.cs
- DbParameterCollection.cs
- CounterSampleCalculator.cs
- ViewBox.cs
- SvcMapFileLoader.cs
- DateTimeStorage.cs
- ClientRuntimeConfig.cs
- SchemaInfo.cs
- ZipIOLocalFileHeader.cs
- DataGridCellsPresenter.cs
- EntitySetDataBindingList.cs
- SQLBinaryStorage.cs
- CodeTypeDeclaration.cs
- ThreadPool.cs
- Tile.cs
- _BufferOffsetSize.cs
- ReadContentAsBinaryHelper.cs
- RuntimeIdentifierPropertyAttribute.cs
- FontDriver.cs
- UIElementCollection.cs
- FixedElement.cs
- AssemblyAttributesGoHere.cs
- NonSerializedAttribute.cs
- DecoderFallbackWithFailureFlag.cs
- MessageQueuePermissionAttribute.cs
- DataGridViewAutoSizeColumnsModeEventArgs.cs
- AsyncResult.cs
- ControlAdapter.cs
- ResourceSetExpression.cs
- DbProviderSpecificTypePropertyAttribute.cs
- SqlCachedBuffer.cs
- GeneralTransform3DCollection.cs
- DataStreams.cs
- InputScopeAttribute.cs
- MediaTimeline.cs
- AnnotationAdorner.cs
- ReflectEventDescriptor.cs
- recordstate.cs
- ConnectionPointGlyph.cs
- MimeXmlReflector.cs
- ProcessHostConfigUtils.cs
- SqlUserDefinedAggregateAttribute.cs
- ConstraintConverter.cs
- AssemblyNameUtility.cs
- HwndSourceKeyboardInputSite.cs
- StaticDataManager.cs
- LinearGradientBrush.cs
- NamespaceEmitter.cs
- SmtpTransport.cs
- _TransmitFileOverlappedAsyncResult.cs
- StringBuilder.cs
- HatchBrush.cs
- MobileRedirect.cs
- AutoResetEvent.cs
- XPathChildIterator.cs
- KeyToListMap.cs
- DesignerTransactionCloseEvent.cs
- XmlDataDocument.cs
- WeakReferenceKey.cs
- DbConnectionFactory.cs
- CompensationExtension.cs