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 / EntityModel / SchemaObjectModel / RelationshipEndCollection.cs / 1 / RelationshipEndCollection.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.Diagnostics; using System.Data; using System.Data.Metadata.Edm; namespace System.Data.EntityModel.SchemaObjectModel { ////// A collection of RelationshipEnds /// internal sealed class RelationshipEndCollection : IList{ private Dictionary _endLookup = null; private List _keysInDefOrder = null; /// /// construct a RelationshipEndCollection /// public RelationshipEndCollection() { } ////// How many RelationshipEnds are in the collection /// public int Count { get { return KeysInDefOrder.Count; } } ////// Add a relationship end /// /// the end to add public void Add(IRelationshipEnd end) { Debug.Assert(end != null, "end parameter is null"); SchemaElement endElement = end as SchemaElement; Debug.Assert(endElement != null, "end is not a SchemaElement"); // this should have been caught before this, just ignore it if ( !IsEndValid(end) ) return; if ( !ValidateUniqueName(endElement, end.Name)) return; EndLookup.Add(end.Name,end); KeysInDefOrder.Add(end.Name); } ////// See if an end can be added to the collection /// /// the end to add ///true if the end is valid, false otherwise private static bool IsEndValid(IRelationshipEnd end) { return !string.IsNullOrEmpty(end.Name); } ////// /// /// /// ///private bool ValidateUniqueName(SchemaElement end, string name) { if ( EndLookup.ContainsKey(name) ) { end.AddError( ErrorCode.AlreadyDefined, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.EndNameAlreadyDefinedDuplicate(name)); return false; } return true; } /// /// Remove a relationship end /// /// the end to remove ///true if item was in list public bool Remove(IRelationshipEnd end) { Debug.Assert(end != null, "end parameter is null"); if ( !IsEndValid(end) ) return false; KeysInDefOrder.Remove(end.Name); bool wasInList = EndLookup.Remove(end.Name); return wasInList; } ////// See if a relationship end is in the collection /// /// the name of the end ///true if the end name is in the collection public bool Contains(string name) { return EndLookup.ContainsKey(name); } ////// See if a relationship end is in the collection /// /// the name of the end ///true if the end is in the collection public bool Contains(IRelationshipEnd end) { Debug.Assert(end != null, "end parameter is null"); return Contains(end.Name); } public IRelationshipEnd this[int index] { get { return EndLookup[KeysInDefOrder[index]]; } set { throw EntityUtil.NotSupported(); } } ////// get a typed enumerator for the collection /// ///the enumerator public IEnumeratorGetEnumerator() { return new Enumerator(EndLookup,KeysInDefOrder); } public bool TryGetEnd( string name, out IRelationshipEnd end ) { return EndLookup.TryGetValue( name, out end ); } /// /// get an un-typed enumerator for the collection /// ///the enumerator IEnumerator System.Collections.IEnumerable.GetEnumerator() { return new Enumerator(EndLookup,KeysInDefOrder); } ////// The data for the collection /// private DictionaryEndLookup { get { if ( _endLookup == null ) _endLookup = new Dictionary (StringComparer.Ordinal); return _endLookup; } } /// /// the definition order collection /// private ListKeysInDefOrder { get { if ( _keysInDefOrder == null ) _keysInDefOrder = new List (); return _keysInDefOrder; } } /// /// remove all elements from the collection /// public void Clear() { EndLookup.Clear(); KeysInDefOrder.Clear(); } ////// can the collection be modified /// public bool IsReadOnly { get { return false; } } ////// Not supported /// /// the end ///nothing int IList.IndexOf(IRelationshipEnd end) { throw EntityUtil.NotSupported(); } /// /// Not supported /// /// the index /// the end void IList.Insert(int index, IRelationshipEnd end) { throw EntityUtil.NotSupported(); } /// /// Not supported /// /// the index void IList.RemoveAt(int index) { throw EntityUtil.NotSupported(); } /// /// copy all elements to an array /// /// array to copy to /// The zero-based index in array at which copying begins. public void CopyTo(IRelationshipEnd[] ends, int index ) { Debug.Assert(ends.Length-index >= Count); foreach ( IRelationshipEnd end in this ) ends[index++] = end; } ////// enumerator for the RelationshipEnd collection /// the ends as traversed in the order in which they were added /// private sealed class Enumerator : IEnumerator{ private List .Enumerator _Enumerator; private Dictionary _Data = null; /// /// construct the enumerator /// /// the real data /// the keys to the real data in inserted order public Enumerator(Dictionarydata, List keysInDefOrder) { Debug.Assert(data != null); Debug.Assert(keysInDefOrder != null); _Enumerator = keysInDefOrder.GetEnumerator(); _Data = data; } /// /// reset the enumerator /// public void Reset() { // reset is implemented explicitly ((IEnumerator)_Enumerator).Reset(); } ////// get current relationship end from the enumerator /// public IRelationshipEnd Current { get { return _Data[_Enumerator.Current]; } } ////// get current relationship end from the enumerator /// object System.Collections.IEnumerator.Current { get { return _Data[_Enumerator.Current]; } } ////// move to the next element in the collection /// ///true if there is a next, false if not public bool MoveNext() { return _Enumerator.MoveNext(); } ////// dispose of the enumerator /// public void Dispose() { } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.Diagnostics; using System.Data; using System.Data.Metadata.Edm; namespace System.Data.EntityModel.SchemaObjectModel { ////// A collection of RelationshipEnds /// internal sealed class RelationshipEndCollection : IList{ private Dictionary _endLookup = null; private List _keysInDefOrder = null; /// /// construct a RelationshipEndCollection /// public RelationshipEndCollection() { } ////// How many RelationshipEnds are in the collection /// public int Count { get { return KeysInDefOrder.Count; } } ////// Add a relationship end /// /// the end to add public void Add(IRelationshipEnd end) { Debug.Assert(end != null, "end parameter is null"); SchemaElement endElement = end as SchemaElement; Debug.Assert(endElement != null, "end is not a SchemaElement"); // this should have been caught before this, just ignore it if ( !IsEndValid(end) ) return; if ( !ValidateUniqueName(endElement, end.Name)) return; EndLookup.Add(end.Name,end); KeysInDefOrder.Add(end.Name); } ////// See if an end can be added to the collection /// /// the end to add ///true if the end is valid, false otherwise private static bool IsEndValid(IRelationshipEnd end) { return !string.IsNullOrEmpty(end.Name); } ////// /// /// /// ///private bool ValidateUniqueName(SchemaElement end, string name) { if ( EndLookup.ContainsKey(name) ) { end.AddError( ErrorCode.AlreadyDefined, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.EndNameAlreadyDefinedDuplicate(name)); return false; } return true; } /// /// Remove a relationship end /// /// the end to remove ///true if item was in list public bool Remove(IRelationshipEnd end) { Debug.Assert(end != null, "end parameter is null"); if ( !IsEndValid(end) ) return false; KeysInDefOrder.Remove(end.Name); bool wasInList = EndLookup.Remove(end.Name); return wasInList; } ////// See if a relationship end is in the collection /// /// the name of the end ///true if the end name is in the collection public bool Contains(string name) { return EndLookup.ContainsKey(name); } ////// See if a relationship end is in the collection /// /// the name of the end ///true if the end is in the collection public bool Contains(IRelationshipEnd end) { Debug.Assert(end != null, "end parameter is null"); return Contains(end.Name); } public IRelationshipEnd this[int index] { get { return EndLookup[KeysInDefOrder[index]]; } set { throw EntityUtil.NotSupported(); } } ////// get a typed enumerator for the collection /// ///the enumerator public IEnumeratorGetEnumerator() { return new Enumerator(EndLookup,KeysInDefOrder); } public bool TryGetEnd( string name, out IRelationshipEnd end ) { return EndLookup.TryGetValue( name, out end ); } /// /// get an un-typed enumerator for the collection /// ///the enumerator IEnumerator System.Collections.IEnumerable.GetEnumerator() { return new Enumerator(EndLookup,KeysInDefOrder); } ////// The data for the collection /// private DictionaryEndLookup { get { if ( _endLookup == null ) _endLookup = new Dictionary (StringComparer.Ordinal); return _endLookup; } } /// /// the definition order collection /// private ListKeysInDefOrder { get { if ( _keysInDefOrder == null ) _keysInDefOrder = new List (); return _keysInDefOrder; } } /// /// remove all elements from the collection /// public void Clear() { EndLookup.Clear(); KeysInDefOrder.Clear(); } ////// can the collection be modified /// public bool IsReadOnly { get { return false; } } ////// Not supported /// /// the end ///nothing int IList.IndexOf(IRelationshipEnd end) { throw EntityUtil.NotSupported(); } /// /// Not supported /// /// the index /// the end void IList.Insert(int index, IRelationshipEnd end) { throw EntityUtil.NotSupported(); } /// /// Not supported /// /// the index void IList.RemoveAt(int index) { throw EntityUtil.NotSupported(); } /// /// copy all elements to an array /// /// array to copy to /// The zero-based index in array at which copying begins. public void CopyTo(IRelationshipEnd[] ends, int index ) { Debug.Assert(ends.Length-index >= Count); foreach ( IRelationshipEnd end in this ) ends[index++] = end; } ////// enumerator for the RelationshipEnd collection /// the ends as traversed in the order in which they were added /// private sealed class Enumerator : IEnumerator{ private List .Enumerator _Enumerator; private Dictionary _Data = null; /// /// construct the enumerator /// /// the real data /// the keys to the real data in inserted order public Enumerator(Dictionarydata, List keysInDefOrder) { Debug.Assert(data != null); Debug.Assert(keysInDefOrder != null); _Enumerator = keysInDefOrder.GetEnumerator(); _Data = data; } /// /// reset the enumerator /// public void Reset() { // reset is implemented explicitly ((IEnumerator)_Enumerator).Reset(); } ////// get current relationship end from the enumerator /// public IRelationshipEnd Current { get { return _Data[_Enumerator.Current]; } } ////// get current relationship end from the enumerator /// object System.Collections.IEnumerator.Current { get { return _Data[_Enumerator.Current]; } } ////// move to the next element in the collection /// ///true if there is a next, false if not public bool MoveNext() { return _Enumerator.MoveNext(); } ////// dispose of the enumerator /// public void Dispose() { } } } } // 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
- InfoCardCryptoHelper.cs
- PathStreamGeometryContext.cs
- LayoutEditorPart.cs
- WebServiceClientProxyGenerator.cs
- ProfileService.cs
- XmlLoader.cs
- DataGridColumn.cs
- BindUriHelper.cs
- StrongNameIdentityPermission.cs
- SocketElement.cs
- RayMeshGeometry3DHitTestResult.cs
- ConditionCollection.cs
- DataGridViewRowsAddedEventArgs.cs
- XmlSchemaComplexType.cs
- DataBoundLiteralControl.cs
- HttpHandlerActionCollection.cs
- ComponentConverter.cs
- AdapterDictionary.cs
- VerificationException.cs
- BooleanAnimationBase.cs
- Pkcs7Signer.cs
- ToolStripPanel.cs
- MediaScriptCommandRoutedEventArgs.cs
- FrameworkElement.cs
- BindingExpressionUncommonField.cs
- EventArgs.cs
- SoapObjectInfo.cs
- RightsManagementUser.cs
- MouseCaptureWithinProperty.cs
- StringSorter.cs
- SqlInternalConnectionTds.cs
- SecurityResources.cs
- BitmapEffect.cs
- UnsafeNativeMethods.cs
- DetailsViewModeEventArgs.cs
- DocumentViewer.cs
- HMACSHA1.cs
- SapiRecognizer.cs
- VisualTransition.cs
- StylusLogic.cs
- ReliableDuplexSessionChannel.cs
- ValidatingReaderNodeData.cs
- EntityContainerEmitter.cs
- CollectionChangeEventArgs.cs
- MenuItemBinding.cs
- GridEntry.cs
- BitmapEffectInputConnector.cs
- TimeoutValidationAttribute.cs
- XmlArrayItemAttributes.cs
- QueryCacheManager.cs
- TransactionOptions.cs
- BooleanAnimationUsingKeyFrames.cs
- Timer.cs
- QueryOperationResponseOfT.cs
- XslAstAnalyzer.cs
- EnvelopedPkcs7.cs
- Rect3DConverter.cs
- TemplatedControlDesigner.cs
- OneToOneMappingSerializer.cs
- ELinqQueryState.cs
- EpmHelper.cs
- ObjectCache.cs
- FilterEventArgs.cs
- VerbConverter.cs
- HashSetDebugView.cs
- Debugger.cs
- HandlerWithFactory.cs
- UserControl.cs
- RuntimeConfig.cs
- MembershipSection.cs
- ReversePositionQuery.cs
- ErrorFormatter.cs
- MembershipUser.cs
- _MultipleConnectAsync.cs
- WebPartHeaderCloseVerb.cs
- VisemeEventArgs.cs
- CryptoKeySecurity.cs
- TableLayoutCellPaintEventArgs.cs
- Assert.cs
- MenuTracker.cs
- DiscoveryServiceExtension.cs
- CompoundFileDeflateTransform.cs
- CompoundFileDeflateTransform.cs
- shaperfactoryquerycachekey.cs
- PerformanceCounterPermissionEntry.cs
- TextViewSelectionProcessor.cs
- SoapHeaders.cs
- EventMappingSettings.cs
- DefaultBindingPropertyAttribute.cs
- FormViewUpdatedEventArgs.cs
- UIAgentAsyncEndRequest.cs
- RelationshipWrapper.cs
- WindowProviderWrapper.cs
- ObjectTag.cs
- ToolTipAutomationPeer.cs
- EventSourceCreationData.cs
- StringArrayConverter.cs
- DeferredTextReference.cs
- SafeHandle.cs
- MemberCollection.cs