Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Runtime / Remoting / DynamicPropertyHolder.cs / 1305376 / DynamicPropertyHolder.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // // DynamicPropertyHolder manages the dynamically registered properties // and the sinks contributed by them. Dynamic properties may be registered // to contribute sinks on a per-object basis (on the proxy or server side) // or on a per-Context basis (in both the client and server contexts). // // See also: RemotingServices.RegisterDynamicSink() API // namespace System.Runtime.Remoting.Contexts { using System.Runtime.Remoting; using System.Runtime.Remoting.Messaging; using System; using System.Collections; using System.Globalization; internal class DynamicPropertyHolder { private const int GROW_BY = 0x8; private IDynamicProperty[] _props; private int _numProps; private IDynamicMessageSink[] _sinks; [System.Security.SecurityCritical] // auto-generated internal virtual bool AddDynamicProperty(IDynamicProperty prop) { lock(this) { // We have to add a sink specific to the given context CheckPropertyNameClash(prop.Name, _props, _numProps); // check if we need to grow the array. bool bGrow=false; if (_props == null || _numProps == _props.Length) { _props = GrowPropertiesArray(_props); bGrow = true; } // now add the property _props[_numProps++] = prop; // we need to grow the sinks if we grew the props array or we had thrown // away the sinks array due to a recent removal! if (bGrow) { _sinks = GrowDynamicSinksArray(_sinks); } if (_sinks == null) { // Some property got unregistered -- we need to recreate // the list of sinks. _sinks = new IDynamicMessageSink[_props.Length]; for (int i=0; i<_numProps; i++) { _sinks[i] = ((IContributeDynamicSink)_props[i]).GetDynamicSink(); } } else { // append the Sink to the existing array of Sinks _sinks[_numProps-1] = ((IContributeDynamicSink)prop).GetDynamicSink(); } return true; } } [System.Security.SecurityCritical] // auto-generated internal virtual bool RemoveDynamicProperty(String name) { lock(this) { // We have to remove a property for a specific context for (int i=0; i<_numProps; i++) { if (_props[i].Name.Equals(name)) { _props[i] = _props[_numProps-1]; _numProps--; // throw away the dynamic sink list _sinks = null; return true; } } throw new RemotingException( String.Format( CultureInfo.CurrentCulture, Environment.GetResourceString("Remoting_Contexts_NoProperty"), name)); } } internal virtual IDynamicProperty[] DynamicProperties { get { if (_props == null) { return null; } lock (this) { IDynamicProperty[] retProps = new IDynamicProperty[_numProps]; Array.Copy(_props, retProps, _numProps); return retProps; } } } // We have to do this ArrayWithSize thing instead of // separately providing the Array and a Count ... since they // may not be in synch with multiple threads changing things // We do not want to provide a copy of the array for each // call for perf reasons. Besides this is used internally anyways. internal virtual ArrayWithSize DynamicSinks { [System.Security.SecurityCritical] // auto-generated get { if (_numProps == 0) { return null; } lock (this) { if (_sinks == null) { // Some property got unregistered -- we need to recreate // the list of sinks. _sinks = new IDynamicMessageSink[_numProps+GROW_BY]; for (int i=0; i<_numProps; i++) { _sinks[i] = ((IContributeDynamicSink)_props[i]).GetDynamicSink(); } } } return new ArrayWithSize(_sinks, _numProps); } } private static IDynamicMessageSink[] GrowDynamicSinksArray(IDynamicMessageSink[] sinks) { // grow the array int newSize = (sinks != null ? sinks.Length : 0) + GROW_BY; IDynamicMessageSink[] newSinks = new IDynamicMessageSink[newSize]; if (sinks != null) { // Copy existing properties over // Initial size should be chosen so that this rarely happens Array.Copy(sinks, newSinks, sinks.Length); } return newSinks; } [System.Security.SecurityCritical] // auto-generated internal static void NotifyDynamicSinks(IMessage msg, ArrayWithSize dynSinks, bool bCliSide, bool bStart, bool bAsync) { for (int i=0; i
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ValidatorUtils.cs
- ChannelParameterCollection.cs
- XmlSerializerNamespaces.cs
- GenericNameHandler.cs
- TypeLoadException.cs
- CompilerWrapper.cs
- InfoCardTrace.cs
- DropTarget.cs
- ToolboxItemFilterAttribute.cs
- CookielessHelper.cs
- ListBindingHelper.cs
- CodeTypeDelegate.cs
- KeyBinding.cs
- ResourceWriter.cs
- FastPropertyAccessor.cs
- ContractHandle.cs
- MemoryStream.cs
- PathFigureCollectionValueSerializer.cs
- ScrollProperties.cs
- RightsManagementInformation.cs
- LoopExpression.cs
- BamlLocalizerErrorNotifyEventArgs.cs
- SaveFileDialog.cs
- SecurityCookieModeValidator.cs
- BasicKeyConstraint.cs
- ListSortDescriptionCollection.cs
- OdbcReferenceCollection.cs
- FontCacheLogic.cs
- MILUtilities.cs
- DBCommandBuilder.cs
- SecurityUtils.cs
- BitmapScalingModeValidation.cs
- CellPartitioner.cs
- ClientViaElement.cs
- TextBoxBase.cs
- UpdatePanelTriggerCollection.cs
- CodeDOMUtility.cs
- ADConnectionHelper.cs
- TableLayoutStyle.cs
- BezierSegment.cs
- CalendarDesigner.cs
- Stack.cs
- ParameterCollection.cs
- NullRuntimeConfig.cs
- MsmqIntegrationBindingElement.cs
- BindingExpressionBase.cs
- ControlBindingsCollection.cs
- DataServiceRequest.cs
- ToolBar.cs
- ConfigsHelper.cs
- FileDialogCustomPlace.cs
- TimeSpanValidatorAttribute.cs
- COM2IManagedPerPropertyBrowsingHandler.cs
- XmlSchemaChoice.cs
- RectConverter.cs
- IIS7WorkerRequest.cs
- CodeDomDesignerLoader.cs
- WebReferenceCollection.cs
- CodeDomComponentSerializationService.cs
- JobPageOrder.cs
- XmlDataSource.cs
- ExpressionEditorAttribute.cs
- ServicePointManagerElement.cs
- SerialPinChanges.cs
- OleDbConnectionInternal.cs
- AnnotationComponentChooser.cs
- XsdBuilder.cs
- Predicate.cs
- URLAttribute.cs
- SoapAttributes.cs
- SqlParameterizer.cs
- CodeNamespaceImportCollection.cs
- XamlToRtfWriter.cs
- XPathDescendantIterator.cs
- TemplateNameScope.cs
- TypeUtil.cs
- DbXmlEnabledProviderManifest.cs
- DelayedRegex.cs
- WebPartCatalogCloseVerb.cs
- Tuple.cs
- SourceSwitch.cs
- CodeDOMProvider.cs
- ValidatorUtils.cs
- ListItemCollection.cs
- RegexInterpreter.cs
- DbSourceParameterCollection.cs
- XAMLParseException.cs
- TextParaClient.cs
- PropertyPathConverter.cs
- FileRecordSequence.cs
- PropertyValueChangedEvent.cs
- LaxModeSecurityHeaderElementInferenceEngine.cs
- NoPersistProperty.cs
- HtmlHistory.cs
- ExtendedProtectionPolicy.cs
- HandleExceptionArgs.cs
- UIServiceHelper.cs
- SqlServices.cs
- ListItemCollection.cs
- DataServiceConfiguration.cs