Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataWeb / Server / System / Data / Services / SegmentInfo.cs / 1305376 / SegmentInfo.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // //// Structure containing information about a segment (Uri is made // up of bunch of segments, each segment is seperated by '/' character) // // // @owner [....] //--------------------------------------------------------------------- namespace System.Data.Services { #region Namespaces. using System; using System.Collections; using System.Data.Services.Providers; using System.Diagnostics; using System.Linq; #endregion Namespaces. ///Contains the information regarding a segment that makes up the uri [DebuggerDisplay("SegmentInfo={Identifier} -> {TargetKind} '{TargetResourceType.InstanceType}'")] internal class SegmentInfo { #region Private fields. ///Returns the identifier for this segment i.e. string part without the keys. private string identifier; ///Returns the values that constitute the key as specified in the request. private KeyInstance key; ///Returns the query that's being composed for this segment private IEnumerable requestEnumerable; ///Whether the segment targets a single result or not. private bool singleResult; ///resource set if applicable. private ResourceSetWrapper targetContainer; ///The type of resource targeted by this segment. private ResourceType targetResourceType; ///The kind of resource targeted by this segment. private RequestTargetKind targetKind; ///Returns the source for this segment private RequestTargetSource targetSource; ///Service operation being invoked. private ServiceOperationWrapper operation; ///Operation parameters. private object[] operationParameters; ///Returns the property that is being projected in this segment, if there's any. private ResourceProperty projectedProperty; #endregion Private fields. ///Empty constructor. internal SegmentInfo() { } ///Copy constructor. /// Anotherto get a shallow copy of. internal SegmentInfo(SegmentInfo other) { Debug.Assert(other != null, "other != null"); this.Identifier = other.Identifier; this.Key = other.Key; this.Operation = other.Operation; this.OperationParameters = other.OperationParameters; this.ProjectedProperty = other.ProjectedProperty; this.RequestEnumerable = other.RequestEnumerable; this.SingleResult = other.SingleResult; this.TargetContainer = other.TargetContainer; this.TargetKind = other.TargetKind; this.TargetSource = other.TargetSource; this.targetResourceType = other.targetResourceType; } /// Returns the identifier for this segment i.e. string part without the keys. internal string Identifier { get { return this.identifier; } set { this.identifier = value; } } ///Returns the values that constitute the key as specified in the request. internal KeyInstance Key { get { return this.key; } set { this.key = value; } } ///Returns the query that's being composed for this segment internal IEnumerable RequestEnumerable { get { return this.requestEnumerable; } set { this.requestEnumerable = value; } } ///Whether the segment targets a single result or not. internal bool SingleResult { get { return this.singleResult; } set { this.singleResult = value; } } ///resource set if applicable. internal ResourceSetWrapper TargetContainer { get { return this.targetContainer; } set { this.targetContainer = value; } } ///The type of element targeted by this segment. internal ResourceType TargetResourceType { get { return this.targetResourceType; } set { this.targetResourceType = value; } } ///The kind of resource targeted by this segment. internal RequestTargetKind TargetKind { get { return this.targetKind; } set { this.targetKind = value; } } ///Returns the source for this segment internal RequestTargetSource TargetSource { get { return this.targetSource; } set { this.targetSource = value; } } ///Service operation being invoked. internal ServiceOperationWrapper Operation { get { return this.operation; } set { this.operation = value; } } ///Operation parameters. internal object[] OperationParameters { get { return this.operationParameters; } set { this.operationParameters = value; } } ///Returns the property that is being projected in this segment, if there's any. internal ResourceProperty ProjectedProperty { get { return this.projectedProperty; } set { this.projectedProperty = value; } } ///Returns true if this segment has a key filter with values; false otherwise. internal bool HasKeyValues { get { return this.Key != null && !this.Key.IsEmpty; } } ////// Determines whether the target kind is a direct reference to an element /// i.e. either you have a $value or you are accessing a resource via key property /// (/Customers(1) or /Customers(1)/BestFriend/Orders('Foo'). Either case the value /// cannot be null. /// /// Kind of request to evaluate. ////// A characteristic of a direct reference is that if its value /// is null, a 404 error should be returned. /// internal bool IsDirectReference { get { return this.TargetKind == RequestTargetKind.PrimitiveValue || this.TargetKind == RequestTargetKind.OpenPropertyValue || this.HasKeyValues; } } ///Returns the query for this segment, possibly null. internal IQueryable RequestQueryable { get { return this.RequestEnumerable as IQueryable; } set { this.RequestEnumerable = value; } } #if DEBUG ///In DEBUG builds, ensures that invariants for the class hold. internal void AssertValid() { WebUtil.DebugEnumIsDefined(this.TargetKind); WebUtil.DebugEnumIsDefined(this.TargetSource); Debug.Assert(this.TargetKind != RequestTargetKind.Nothing, "targetKind != RequestTargetKind.Nothing"); Debug.Assert( this.TargetContainer == null || this.TargetSource != RequestTargetSource.None, "'None' targets should not have a resource set."); Debug.Assert( this.TargetKind != RequestTargetKind.Resource || this.TargetContainer != null || this.TargetKind == RequestTargetKind.OpenProperty || this.TargetSource == RequestTargetSource.ServiceOperation, "All resource targets (except for some service operations and open properties) should have a container."); Debug.Assert( this.TargetContainer == null || this.TargetContainer.ResourceType.IsAssignableFrom(this.TargetResourceType), "If targetContainer is assigned, it should be equal to (or assignable to) the segment's element type."); Debug.Assert( !String.IsNullOrEmpty(this.Identifier) || RequestTargetSource.None == this.TargetSource || RequestTargetKind.VoidServiceOperation == this.TargetKind, "identifier must not be empty or null except for none or void service operation"); } #endif } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // //// Structure containing information about a segment (Uri is made // up of bunch of segments, each segment is seperated by '/' character) // // // @owner [....] //--------------------------------------------------------------------- namespace System.Data.Services { #region Namespaces. using System; using System.Collections; using System.Data.Services.Providers; using System.Diagnostics; using System.Linq; #endregion Namespaces. ///Contains the information regarding a segment that makes up the uri [DebuggerDisplay("SegmentInfo={Identifier} -> {TargetKind} '{TargetResourceType.InstanceType}'")] internal class SegmentInfo { #region Private fields. ///Returns the identifier for this segment i.e. string part without the keys. private string identifier; ///Returns the values that constitute the key as specified in the request. private KeyInstance key; ///Returns the query that's being composed for this segment private IEnumerable requestEnumerable; ///Whether the segment targets a single result or not. private bool singleResult; ///resource set if applicable. private ResourceSetWrapper targetContainer; ///The type of resource targeted by this segment. private ResourceType targetResourceType; ///The kind of resource targeted by this segment. private RequestTargetKind targetKind; ///Returns the source for this segment private RequestTargetSource targetSource; ///Service operation being invoked. private ServiceOperationWrapper operation; ///Operation parameters. private object[] operationParameters; ///Returns the property that is being projected in this segment, if there's any. private ResourceProperty projectedProperty; #endregion Private fields. ///Empty constructor. internal SegmentInfo() { } ///Copy constructor. /// Anotherto get a shallow copy of. internal SegmentInfo(SegmentInfo other) { Debug.Assert(other != null, "other != null"); this.Identifier = other.Identifier; this.Key = other.Key; this.Operation = other.Operation; this.OperationParameters = other.OperationParameters; this.ProjectedProperty = other.ProjectedProperty; this.RequestEnumerable = other.RequestEnumerable; this.SingleResult = other.SingleResult; this.TargetContainer = other.TargetContainer; this.TargetKind = other.TargetKind; this.TargetSource = other.TargetSource; this.targetResourceType = other.targetResourceType; } /// Returns the identifier for this segment i.e. string part without the keys. internal string Identifier { get { return this.identifier; } set { this.identifier = value; } } ///Returns the values that constitute the key as specified in the request. internal KeyInstance Key { get { return this.key; } set { this.key = value; } } ///Returns the query that's being composed for this segment internal IEnumerable RequestEnumerable { get { return this.requestEnumerable; } set { this.requestEnumerable = value; } } ///Whether the segment targets a single result or not. internal bool SingleResult { get { return this.singleResult; } set { this.singleResult = value; } } ///resource set if applicable. internal ResourceSetWrapper TargetContainer { get { return this.targetContainer; } set { this.targetContainer = value; } } ///The type of element targeted by this segment. internal ResourceType TargetResourceType { get { return this.targetResourceType; } set { this.targetResourceType = value; } } ///The kind of resource targeted by this segment. internal RequestTargetKind TargetKind { get { return this.targetKind; } set { this.targetKind = value; } } ///Returns the source for this segment internal RequestTargetSource TargetSource { get { return this.targetSource; } set { this.targetSource = value; } } ///Service operation being invoked. internal ServiceOperationWrapper Operation { get { return this.operation; } set { this.operation = value; } } ///Operation parameters. internal object[] OperationParameters { get { return this.operationParameters; } set { this.operationParameters = value; } } ///Returns the property that is being projected in this segment, if there's any. internal ResourceProperty ProjectedProperty { get { return this.projectedProperty; } set { this.projectedProperty = value; } } ///Returns true if this segment has a key filter with values; false otherwise. internal bool HasKeyValues { get { return this.Key != null && !this.Key.IsEmpty; } } ////// Determines whether the target kind is a direct reference to an element /// i.e. either you have a $value or you are accessing a resource via key property /// (/Customers(1) or /Customers(1)/BestFriend/Orders('Foo'). Either case the value /// cannot be null. /// /// Kind of request to evaluate. ////// A characteristic of a direct reference is that if its value /// is null, a 404 error should be returned. /// internal bool IsDirectReference { get { return this.TargetKind == RequestTargetKind.PrimitiveValue || this.TargetKind == RequestTargetKind.OpenPropertyValue || this.HasKeyValues; } } ///Returns the query for this segment, possibly null. internal IQueryable RequestQueryable { get { return this.RequestEnumerable as IQueryable; } set { this.RequestEnumerable = value; } } #if DEBUG ///In DEBUG builds, ensures that invariants for the class hold. internal void AssertValid() { WebUtil.DebugEnumIsDefined(this.TargetKind); WebUtil.DebugEnumIsDefined(this.TargetSource); Debug.Assert(this.TargetKind != RequestTargetKind.Nothing, "targetKind != RequestTargetKind.Nothing"); Debug.Assert( this.TargetContainer == null || this.TargetSource != RequestTargetSource.None, "'None' targets should not have a resource set."); Debug.Assert( this.TargetKind != RequestTargetKind.Resource || this.TargetContainer != null || this.TargetKind == RequestTargetKind.OpenProperty || this.TargetSource == RequestTargetSource.ServiceOperation, "All resource targets (except for some service operations and open properties) should have a container."); Debug.Assert( this.TargetContainer == null || this.TargetContainer.ResourceType.IsAssignableFrom(this.TargetResourceType), "If targetContainer is assigned, it should be equal to (or assignable to) the segment's element type."); Debug.Assert( !String.IsNullOrEmpty(this.Identifier) || RequestTargetSource.None == this.TargetSource || RequestTargetKind.VoidServiceOperation == this.TargetKind, "identifier must not be empty or null except for none or void service operation"); } #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
- NativeMethods.cs
- ScriptResourceInfo.cs
- PermissionListSet.cs
- SiteMap.cs
- AssemblySettingAttributes.cs
- DataGridTablesFactory.cs
- RuleDefinitions.cs
- ClientBuildManager.cs
- TableProviderWrapper.cs
- CustomErrorCollection.cs
- Point.cs
- DataPager.cs
- D3DImage.cs
- Peer.cs
- UTF8Encoding.cs
- MouseOverProperty.cs
- ThreadLocal.cs
- MemberCollection.cs
- WindowsScrollBar.cs
- FontEmbeddingManager.cs
- WebPartAddingEventArgs.cs
- DesignerSerializationManager.cs
- DataSourceSerializationException.cs
- WindowsTreeView.cs
- AssemblyResourceLoader.cs
- SecurityPermission.cs
- DesignTimeHTMLTextWriter.cs
- PartialArray.cs
- UpdateTracker.cs
- FixedSOMTextRun.cs
- MarginsConverter.cs
- Message.cs
- IsolatedStorageFile.cs
- GridViewRowEventArgs.cs
- LocalizableAttribute.cs
- XPathDocumentIterator.cs
- SafeRegistryKey.cs
- WebPartUserCapability.cs
- BufferModeSettings.cs
- XmlWriterSettings.cs
- SerializerDescriptor.cs
- NativeMethods.cs
- PackWebRequestFactory.cs
- SuppressIldasmAttribute.cs
- DictionarySectionHandler.cs
- DataServiceQueryProvider.cs
- GridViewRowPresenter.cs
- Encoder.cs
- _BasicClient.cs
- GradientStopCollection.cs
- TextBoxAutoCompleteSourceConverter.cs
- DesignerVerbCollection.cs
- OptionalColumn.cs
- SortFieldComparer.cs
- EnumMember.cs
- RootBrowserWindowAutomationPeer.cs
- SpecularMaterial.cs
- FileLogRecordHeader.cs
- HitTestWithGeometryDrawingContextWalker.cs
- PathSegment.cs
- TransactionFlowBindingElement.cs
- MethodCallTranslator.cs
- RowToFieldTransformer.cs
- BuiltInPermissionSets.cs
- TableCellCollection.cs
- TransactionalPackage.cs
- SequenceDesigner.cs
- GlyphTypeface.cs
- ObjRef.cs
- SettingsPropertyWrongTypeException.cs
- RelationshipType.cs
- PixelShader.cs
- Slider.cs
- VirtualDirectoryMapping.cs
- Scripts.cs
- Encoding.cs
- RoleManagerSection.cs
- CategoryEditor.cs
- ICollection.cs
- LifetimeServices.cs
- Viewport3DVisual.cs
- Select.cs
- ImmComposition.cs
- Trigger.cs
- RegexCharClass.cs
- ServiceDescription.cs
- WebExceptionStatus.cs
- ColorDialog.cs
- AccessText.cs
- ConfigurationLoader.cs
- HttpValueCollection.cs
- SiteMapNodeCollection.cs
- StopStoryboard.cs
- PolyBezierSegment.cs
- MessageQueueConverter.cs
- RecordBuilder.cs
- SqlAliasesReferenced.cs
- FontSizeConverter.cs
- RadioButton.cs
- DispatcherTimer.cs