Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / ndp / fx / src / DataEntity / System / Data / Metadata / ObjectHelper.cs / 4 / ObjectHelper.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] //--------------------------------------------------------------------- using System.Data.Mapping; using System.Diagnostics; using System.Collections; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Text; using System.Data.Common.Utils; using System.IO; namespace System.Data.Metadata.Edm { ////// Helper Class for EDM Metadata - this class contains all the helper methods /// which needs access to internal methods. The other partial class contains all /// helper methods which just uses public methods/properties. The reason why we /// did this for allowing view gen to happen at compile time - all the helper /// methods that view gen or mapping uses are in the other helper class. Rest of the /// methods are in this class /// internal static partial class Helper { #region Fields // List of all the static empty list used all over the code internal static readonly ReadOnlyCollection> EmptyKeyValueStringObjectList = new ReadOnlyCollection >(new KeyValuePair [0]); internal static readonly ReadOnlyCollection EmptyStringList = new ReadOnlyCollection (new string[0]); internal static readonly ReadOnlyCollection EmptyFacetDescriptionEnumerable = new ReadOnlyCollection (new FacetDescription[0]); internal static readonly ReadOnlyCollection EmptyEdmFunctionReadOnlyCollection = new ReadOnlyCollection (new EdmFunction[0]); internal static readonly ReadOnlyCollection EmptyPrimitiveTypeReadOnlyCollection = new ReadOnlyCollection (new PrimitiveType[0]); internal static readonly KeyValuePair [] EmptyKeyValueStringObjectArray = new KeyValuePair [0]; internal const char PeriodSymbol = '.'; internal const char CommaSymbol = ','; #endregion #region Methods /// /// Returns the single error message from the list of errors /// /// ///static internal string CombineErrorMessage(IEnumerable errors) { Debug.Assert(errors != null); StringBuilder sb = new StringBuilder(System.Environment.NewLine); int count = 0; foreach (System.Data.Metadata.Edm.EdmSchemaError error in errors) { //Don't append a new line at the beginning of the messages if ((count++) != 0) { sb.Append(System.Environment.NewLine); } sb.Append(error.ToString()); } Debug.Assert(count!=0, "Empty Error List"); return sb.ToString(); } /// /// Returns the single error message from the list of errors /// /// ///static internal string CombineErrorMessage(IEnumerable errors) { StringBuilder sb = new StringBuilder(System.Environment.NewLine); int count = 0; foreach (EdmItemError error in errors) { // Only add the new line if this is not the first error if ((count++) != 0) { sb.Append(System.Environment.NewLine); } sb.Append(error.Message); } return sb.ToString(); } // requires: enumerations must have the same number of members // effects: returns paired enumeration values internal static IEnumerable > PairEnumerations (IBaseList left, IEnumerable right) { IEnumerator leftEnumerator = left.GetEnumerator(); IEnumeratorrightEnumerator = right.GetEnumerator(); while (leftEnumerator.MoveNext() && rightEnumerator.MoveNext()) { yield return new KeyValuePair((T)leftEnumerator.Current, rightEnumerator.Current); } yield break; } /// /// Returns a model (C-Space) typeusage for the given typeusage. if the type is already in c-space, it returns /// the given typeusage. The typeUsage returned is created by invoking the provider service to map from provider /// specific type to model type. /// /// typeusage ///the respective Model (C-Space) typeusage static internal TypeUsage GetModelTypeUsage(TypeUsage typeUsage) { return typeUsage.GetModelTypeUsage(); } ////// Returns a model (C-Space) typeusage for the given member typeusage. if the type is already in c-space, it returns /// the given typeusage. The typeUsage returned is created by invoking the provider service to map from provider /// specific type to model type. /// /// EdmMember ///the respective Model (C-Space) typeusage static internal TypeUsage GetModelTypeUsage(EdmMember member) { return GetModelTypeUsage(member.TypeUsage); } ////// Checks if the edm type in the cspace type usage maps to some sspace type (called it S1). If S1 is equivalent or /// promotable to the store type in sspace type usage, then it creates a new type usage with S1 and copies all facets /// if necessary /// /// Edm property containing the cspace member type information /// edm property containing the sspace member type information /// name of the mapping file from which this information was loaded from /// lineInfo containing the line information about the cspace and sspace property mapping /// List of parsing errors - we need to add any new error to this list /// store item collection ///internal static TypeUsage ValidateAndConvertTypeUsage(EdmProperty edmProperty, EdmProperty columnProperty, Xml.IXmlLineInfo lineInfo, string sourceLocation, List parsingErrors, StoreItemCollection storeItemCollection) { Debug.Assert(edmProperty.TypeUsage.EdmType.DataSpace == DataSpace.CSpace, "cspace property must have a cspace type"); Debug.Assert(columnProperty.TypeUsage.EdmType.DataSpace == DataSpace.SSpace, "sspace type usage must have a sspace type"); Debug.Assert(Helper.IsPrimitiveType(edmProperty.TypeUsage.EdmType), "cspace property must contain a primitive type"); Debug.Assert(Helper.IsPrimitiveType(columnProperty.TypeUsage.EdmType), "sspace property must contain a primitive type"); TypeUsage mappedStoreType = ValidateAndConvertTypeUsage(edmProperty, lineInfo, sourceLocation, edmProperty.TypeUsage, columnProperty.TypeUsage, parsingErrors, storeItemCollection); return mappedStoreType; } internal static TypeUsage ValidateAndConvertTypeUsage(EdmMember edmMember, Xml.IXmlLineInfo lineInfo, string sourceLocation, TypeUsage cspaceType, TypeUsage sspaceType, List parsingErrors, StoreItemCollection storeItemCollection) { // if we are already C-Space, dont call the provider. this can happen for functions. TypeUsage modelEquivalentSspace = sspaceType; if (sspaceType.EdmType.DataSpace == DataSpace.SSpace) { modelEquivalentSspace = sspaceType.GetModelTypeUsage(); } // check that cspace type is subtype of c-space equivalent type from the ssdl definition if (TypeSemantics.IsSubTypeOf(cspaceType, modelEquivalentSspace)) { return modelEquivalentSspace; } return null; } /// /// Checks whether the given primitive type is present in the list of promotion types /// /// /// ///internal static int IsPromotableTo(IList promotionTypes, PrimitiveType primitiveType) { for (int i = 0; i < promotionTypes.Count; i++) { if (Object.ReferenceEquals(promotionTypes[i], primitiveType)) { return i; } } return -1; } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] //--------------------------------------------------------------------- using System.Data.Mapping; using System.Diagnostics; using System.Collections; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Text; using System.Data.Common.Utils; using System.IO; namespace System.Data.Metadata.Edm { ////// Helper Class for EDM Metadata - this class contains all the helper methods /// which needs access to internal methods. The other partial class contains all /// helper methods which just uses public methods/properties. The reason why we /// did this for allowing view gen to happen at compile time - all the helper /// methods that view gen or mapping uses are in the other helper class. Rest of the /// methods are in this class /// internal static partial class Helper { #region Fields // List of all the static empty list used all over the code internal static readonly ReadOnlyCollection> EmptyKeyValueStringObjectList = new ReadOnlyCollection >(new KeyValuePair [0]); internal static readonly ReadOnlyCollection EmptyStringList = new ReadOnlyCollection (new string[0]); internal static readonly ReadOnlyCollection EmptyFacetDescriptionEnumerable = new ReadOnlyCollection (new FacetDescription[0]); internal static readonly ReadOnlyCollection EmptyEdmFunctionReadOnlyCollection = new ReadOnlyCollection (new EdmFunction[0]); internal static readonly ReadOnlyCollection EmptyPrimitiveTypeReadOnlyCollection = new ReadOnlyCollection (new PrimitiveType[0]); internal static readonly KeyValuePair [] EmptyKeyValueStringObjectArray = new KeyValuePair [0]; internal const char PeriodSymbol = '.'; internal const char CommaSymbol = ','; #endregion #region Methods /// /// Returns the single error message from the list of errors /// /// ///static internal string CombineErrorMessage(IEnumerable errors) { Debug.Assert(errors != null); StringBuilder sb = new StringBuilder(System.Environment.NewLine); int count = 0; foreach (System.Data.Metadata.Edm.EdmSchemaError error in errors) { //Don't append a new line at the beginning of the messages if ((count++) != 0) { sb.Append(System.Environment.NewLine); } sb.Append(error.ToString()); } Debug.Assert(count!=0, "Empty Error List"); return sb.ToString(); } /// /// Returns the single error message from the list of errors /// /// ///static internal string CombineErrorMessage(IEnumerable errors) { StringBuilder sb = new StringBuilder(System.Environment.NewLine); int count = 0; foreach (EdmItemError error in errors) { // Only add the new line if this is not the first error if ((count++) != 0) { sb.Append(System.Environment.NewLine); } sb.Append(error.Message); } return sb.ToString(); } // requires: enumerations must have the same number of members // effects: returns paired enumeration values internal static IEnumerable > PairEnumerations (IBaseList left, IEnumerable right) { IEnumerator leftEnumerator = left.GetEnumerator(); IEnumeratorrightEnumerator = right.GetEnumerator(); while (leftEnumerator.MoveNext() && rightEnumerator.MoveNext()) { yield return new KeyValuePair((T)leftEnumerator.Current, rightEnumerator.Current); } yield break; } /// /// Returns a model (C-Space) typeusage for the given typeusage. if the type is already in c-space, it returns /// the given typeusage. The typeUsage returned is created by invoking the provider service to map from provider /// specific type to model type. /// /// typeusage ///the respective Model (C-Space) typeusage static internal TypeUsage GetModelTypeUsage(TypeUsage typeUsage) { return typeUsage.GetModelTypeUsage(); } ////// Returns a model (C-Space) typeusage for the given member typeusage. if the type is already in c-space, it returns /// the given typeusage. The typeUsage returned is created by invoking the provider service to map from provider /// specific type to model type. /// /// EdmMember ///the respective Model (C-Space) typeusage static internal TypeUsage GetModelTypeUsage(EdmMember member) { return GetModelTypeUsage(member.TypeUsage); } ////// Checks if the edm type in the cspace type usage maps to some sspace type (called it S1). If S1 is equivalent or /// promotable to the store type in sspace type usage, then it creates a new type usage with S1 and copies all facets /// if necessary /// /// Edm property containing the cspace member type information /// edm property containing the sspace member type information /// name of the mapping file from which this information was loaded from /// lineInfo containing the line information about the cspace and sspace property mapping /// List of parsing errors - we need to add any new error to this list /// store item collection ///internal static TypeUsage ValidateAndConvertTypeUsage(EdmProperty edmProperty, EdmProperty columnProperty, Xml.IXmlLineInfo lineInfo, string sourceLocation, List parsingErrors, StoreItemCollection storeItemCollection) { Debug.Assert(edmProperty.TypeUsage.EdmType.DataSpace == DataSpace.CSpace, "cspace property must have a cspace type"); Debug.Assert(columnProperty.TypeUsage.EdmType.DataSpace == DataSpace.SSpace, "sspace type usage must have a sspace type"); Debug.Assert(Helper.IsPrimitiveType(edmProperty.TypeUsage.EdmType), "cspace property must contain a primitive type"); Debug.Assert(Helper.IsPrimitiveType(columnProperty.TypeUsage.EdmType), "sspace property must contain a primitive type"); TypeUsage mappedStoreType = ValidateAndConvertTypeUsage(edmProperty, lineInfo, sourceLocation, edmProperty.TypeUsage, columnProperty.TypeUsage, parsingErrors, storeItemCollection); return mappedStoreType; } internal static TypeUsage ValidateAndConvertTypeUsage(EdmMember edmMember, Xml.IXmlLineInfo lineInfo, string sourceLocation, TypeUsage cspaceType, TypeUsage sspaceType, List parsingErrors, StoreItemCollection storeItemCollection) { // if we are already C-Space, dont call the provider. this can happen for functions. TypeUsage modelEquivalentSspace = sspaceType; if (sspaceType.EdmType.DataSpace == DataSpace.SSpace) { modelEquivalentSspace = sspaceType.GetModelTypeUsage(); } // check that cspace type is subtype of c-space equivalent type from the ssdl definition if (TypeSemantics.IsSubTypeOf(cspaceType, modelEquivalentSspace)) { return modelEquivalentSspace; } return null; } /// /// Checks whether the given primitive type is present in the list of promotion types /// /// /// ///internal static int IsPromotableTo(IList promotionTypes, PrimitiveType primitiveType) { for (int i = 0; i < promotionTypes.Count; i++) { if (Object.ReferenceEquals(promotionTypes[i], primitiveType)) { return i; } } return -1; } #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
- DragStartedEventArgs.cs
- DataColumnCollection.cs
- GeneralTransform.cs
- URIFormatException.cs
- AsyncCompletedEventArgs.cs
- StatusBarPanelClickEvent.cs
- ObjectHandle.cs
- RtType.cs
- SharedConnectionInfo.cs
- CompleteWizardStep.cs
- GcHandle.cs
- FormatSettings.cs
- Button.cs
- ExecutionEngineException.cs
- WriteableBitmap.cs
- OlePropertyStructs.cs
- RSACryptoServiceProvider.cs
- ResourceExpression.cs
- _ConnectOverlappedAsyncResult.cs
- WebPartMinimizeVerb.cs
- GeneralTransform3D.cs
- RtfFormatStack.cs
- HwndStylusInputProvider.cs
- NamedElement.cs
- EventManager.cs
- RecognizeCompletedEventArgs.cs
- ValidationVisibilityAttribute.cs
- EdmRelationshipRoleAttribute.cs
- XmlSerializableReader.cs
- LazyTextWriterCreator.cs
- Border.cs
- RbTree.cs
- XmlStreamStore.cs
- MouseOverProperty.cs
- WindowsStartMenu.cs
- Configuration.cs
- BlockCollection.cs
- SafeFileMapViewHandle.cs
- MethodBuilder.cs
- securestring.cs
- DataKey.cs
- ClientRuntimeConfig.cs
- PropVariant.cs
- DbConnectionInternal.cs
- SqlFileStream.cs
- ProtocolElement.cs
- MultiDataTrigger.cs
- CodeBinaryOperatorExpression.cs
- PasswordTextContainer.cs
- TemplateColumn.cs
- RectAnimationBase.cs
- InfoCardClaim.cs
- ConditionalAttribute.cs
- HandlerFactoryWrapper.cs
- XmlAnyElementAttribute.cs
- BindingMAnagerBase.cs
- WriterOutput.cs
- filewebrequest.cs
- DBCSCodePageEncoding.cs
- AppSettingsReader.cs
- GrammarBuilder.cs
- StructureChangedEventArgs.cs
- HtmlLink.cs
- FormattedTextSymbols.cs
- ReferencedAssembly.cs
- XmlSchemaElement.cs
- figurelengthconverter.cs
- PopupRoot.cs
- MatrixCamera.cs
- PeoplePickerWrapper.cs
- CodeVariableDeclarationStatement.cs
- ContentFilePart.cs
- HtmlWindowCollection.cs
- XomlCompilerParameters.cs
- ResponseStream.cs
- TableCell.cs
- XmlSchemaIdentityConstraint.cs
- CodeTypeReferenceExpression.cs
- XamlInterfaces.cs
- WebServiceResponse.cs
- CodeDirectiveCollection.cs
- TypedTableBase.cs
- Attachment.cs
- SizeKeyFrameCollection.cs
- InvokeSchedule.cs
- OpenFileDialog.cs
- TextServicesContext.cs
- Group.cs
- DataMisalignedException.cs
- XmlExpressionDumper.cs
- MailMessage.cs
- WriteableBitmap.cs
- DataList.cs
- SafeCoTaskMem.cs
- ToolStripGrip.cs
- GlyphRunDrawing.cs
- Page.cs
- ProfilePropertySettingsCollection.cs
- ConcatQueryOperator.cs
- HtmlSelect.cs