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 / Metadata / Helper.cs / 1 / Helper.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....],xseanyan //--------------------------------------------------------------------- using System.Collections.Generic; using System.Collections; using System.Diagnostics; using System.Globalization; using System.Reflection; using System.Text; using System.Xml; using System.Xml.XPath; using System.Data.Mapping; using System.IO; using System.Security; using System.Security.Permissions; namespace System.Data.Metadata.Edm { ////// Helper Class for EDM Metadata - this class contains all the helper methods /// which only accesses public methods/properties. The other partial class contains all /// helper methods which just uses internal 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 this class. Rest of the /// methods are in this class /// internal static partial class Helper { #region Fields internal static readonly EdmMember[] EmptyArrayEdmProperty = new EdmMember[0]; #endregion #region Methods ////// The method wraps the GetAttribute method on XPathNavigator. /// The problem with using the method directly is that the /// Get Attribute method does not differentiate the absence of an attribute and /// having an attribute with Empty string value. In both cases the value returned is an empty string. /// So in case of optional attributes, it becomes hard to distinguish the case whether the /// xml contains the attribute with empty string or doesn't contain the attribute /// This method will return null if the attribute is not present and otherwise will return the /// attribute value. /// /// /// name of the attribute ///static internal string GetAttributeValue(XPathNavigator nav, string attributeName) { //Clone the navigator so that there wont be any sideeffects on the passed in Navigator nav = nav.Clone(); string attributeValue = null; if (nav.MoveToAttribute(attributeName, string.Empty)) { attributeValue = nav.Value; } return attributeValue; } /// /// The method returns typed attribute value of the specified xml attribute. /// The method does not do any specific casting but uses the methods on XPathNavigator. /// /// /// /// ///internal static object GetTypedAttributeValue(XPathNavigator nav, string attributeName, Type clrType) { //Clone the navigator so that there wont be any sideeffects on the passed in Navigator nav = nav.Clone(); object attributeValue = null; if (nav.MoveToAttribute(attributeName, string.Empty)) { attributeValue = nav.ValueAs(clrType); } return attributeValue; } /// /// Searches for Facet Description with the name specified. /// /// Collection of facet description /// name of the facet ///internal static FacetDescription GetFacet(IEnumerable facetCollection, string facetName) { foreach (FacetDescription facetDescription in facetCollection) { if (facetDescription.FacetName == facetName) { return facetDescription; } } return null; } // requires: firstType is not null // effects: Returns true iff firstType is assignable from secondType internal static bool IsAssignableFrom(EdmType firstType, EdmType secondType) { Debug.Assert(firstType != null, "firstType should not be not null"); if (secondType == null) { return false; } return firstType.Equals(secondType) || IsSubtypeOf(secondType, firstType); } // requires: firstType is not null // effects: if otherType is among the base types, return true, // otherwise returns false. // when othertype is same as the current type, return false. internal static bool IsSubtypeOf(EdmType firstType, EdmType secondType) { Debug.Assert(firstType != null, "firstType should not be not null"); if (secondType == null) { return false; } // walk up my type hierarchy list for (EdmType t = firstType.BaseType; t != null; t = t.BaseType) { if (t == secondType) return true; } return false; } internal static IList GetAllStructuralMembers(EdmType edmType) { switch (edmType.BuiltInTypeKind) { case BuiltInTypeKind.AssociationType: return ((AssociationType)edmType).AssociationEndMembers; case BuiltInTypeKind.ComplexType: return ((ComplexType)edmType).Properties; case BuiltInTypeKind.EntityType: return ((EntityType)edmType).Properties; case BuiltInTypeKind.RowType: return ((RowType)edmType).Properties; default: return EmptyArrayEdmProperty; } } /// /// Creates a single comma delimited string given a list of strings /// /// ///internal static String GetCommaDelimitedString(List stringList) { Debug.Assert(stringList != null , "Expecting a non null list"); StringBuilder sb = new StringBuilder(); int count = 0; foreach (string expectedNamespace in stringList) { sb.Append(expectedNamespace); if ((++count) != stringList.Count) { sb.Append(", "); } } return sb.ToString(); } // effects: concatenates all given enumerations internal static IEnumerable Concat (params IEnumerable [] sources) { foreach (IEnumerable source in sources) { if (null != source) { foreach (T element in source) { yield return element; } } } } internal static void DisposeXmlReaders(IEnumerable xmlReaders) { Debug.Assert(xmlReaders != null); foreach (XmlReader xmlReader in xmlReaders) { ((IDisposable)xmlReader).Dispose(); } } #region IsXXXType Methods internal static bool IsStructuralType(EdmType type) { return (IsComplexType(type) || IsEntityType(type) || IsRelationshipType(type) || IsRowType(type)); } internal static bool IsCollectionType(GlobalItem item) { return (BuiltInTypeKind.CollectionType == item.BuiltInTypeKind); } internal static bool IsEntityType(EdmType type) { return (BuiltInTypeKind.EntityType == type.BuiltInTypeKind); } internal static bool IsComplexType(EdmType type) { return (BuiltInTypeKind.ComplexType == type.BuiltInTypeKind); } internal static bool IsPrimitiveType(EdmType type) { return (BuiltInTypeKind.PrimitiveType == type.BuiltInTypeKind); } internal static bool IsRefType(GlobalItem item) { return (BuiltInTypeKind.RefType == item.BuiltInTypeKind); } internal static bool IsRowType(GlobalItem item) { return (BuiltInTypeKind.RowType == item.BuiltInTypeKind); } internal static bool IsAssociationType(EdmType type) { return (BuiltInTypeKind.AssociationType == type.BuiltInTypeKind); } internal static bool IsRelationshipType(EdmType type) { return (BuiltInTypeKind.AssociationType == type.BuiltInTypeKind); } internal static bool IsEdmProperty(EdmMember member) { return (BuiltInTypeKind.EdmProperty == member.BuiltInTypeKind); } internal static bool IsRelationshipEndMember(EdmMember member) { return (BuiltInTypeKind.AssociationEndMember == member.BuiltInTypeKind); } internal static bool IsAssociationEndMember(EdmMember member) { return (BuiltInTypeKind.AssociationEndMember == member.BuiltInTypeKind); } internal static bool IsNavigationProperty(EdmMember member) { return (BuiltInTypeKind.NavigationProperty == member.BuiltInTypeKind); } internal static bool IsEntityTypeBase(EdmType edmType) { return Helper.IsEntityType(edmType) || Helper.IsRelationshipType(edmType); } internal static bool IsTransientType(EdmType edmType) { return Helper.IsCollectionType(edmType) || Helper.IsRefType(edmType) || Helper.IsRowType(edmType); } internal static bool IsEntitySet(EntitySetBase entitySetBase) { return BuiltInTypeKind.EntitySet == entitySetBase.BuiltInTypeKind; } internal static bool IsRelationshipSet(EntitySetBase entitySetBase) { return BuiltInTypeKind.AssociationSet == entitySetBase.BuiltInTypeKind; } internal static bool IsEntityContainer(GlobalItem item) { return BuiltInTypeKind.EntityContainer == item.BuiltInTypeKind; } internal static bool IsEdmFunction(GlobalItem item) { return BuiltInTypeKind.EdmFunction == item.BuiltInTypeKind; } internal static bool IsValidKeyType(PrimitiveTypeKind kind) { return kind != PrimitiveTypeKind.Binary; } internal static string GetFileNameFromUri(Uri uri) { if ( uri == null ) throw new ArgumentNullException("uri"); if ( uri.IsFile ) return uri.LocalPath; if ( uri.IsAbsoluteUri ) return uri.AbsolutePath; throw new ArgumentException(System.Data.Entity.Strings.UnacceptableUri(uri),"uri"); } internal static bool IsEnumType(EdmType edmType) { return BuiltInTypeKind.EnumType == edmType.BuiltInTypeKind; } internal static bool IsUnboundedFacetValue(Facet facet) { return object.ReferenceEquals(facet.Value, EdmConstants.UnboundedValue); } #endregion /// IsXXXType region /// Performance of Enum.ToString() is slow and we use this value in building Identity internal static string ToString(System.Data.ParameterDirection value) { switch (value) { case ParameterDirection.Input: return "Input"; case ParameterDirection.Output: return "Output"; case ParameterDirection.InputOutput: return "InputOutput"; case ParameterDirection.ReturnValue: return "ReturnValue"; default: Debug.Assert(false, "which ParameterDirection.ToString() is missing?"); return value.ToString(); } } ///Performance of Enum.ToString() is slow and we use this value in building Identity internal static string ToString(System.Data.Metadata.Edm.ParameterMode value) { switch (value) { case ParameterMode.In: return EdmConstants.In; case ParameterMode.Out: return EdmConstants.Out; case ParameterMode.InOut: return EdmConstants.InOut; case ParameterMode.ReturnValue: return "ReturnValue"; default: Debug.Assert(false, "which ParameterMode.ToString() is missing?"); return value.ToString(); } } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....],xseanyan //--------------------------------------------------------------------- using System.Collections.Generic; using System.Collections; using System.Diagnostics; using System.Globalization; using System.Reflection; using System.Text; using System.Xml; using System.Xml.XPath; using System.Data.Mapping; using System.IO; using System.Security; using System.Security.Permissions; namespace System.Data.Metadata.Edm { ////// Helper Class for EDM Metadata - this class contains all the helper methods /// which only accesses public methods/properties. The other partial class contains all /// helper methods which just uses internal 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 this class. Rest of the /// methods are in this class /// internal static partial class Helper { #region Fields internal static readonly EdmMember[] EmptyArrayEdmProperty = new EdmMember[0]; #endregion #region Methods ////// The method wraps the GetAttribute method on XPathNavigator. /// The problem with using the method directly is that the /// Get Attribute method does not differentiate the absence of an attribute and /// having an attribute with Empty string value. In both cases the value returned is an empty string. /// So in case of optional attributes, it becomes hard to distinguish the case whether the /// xml contains the attribute with empty string or doesn't contain the attribute /// This method will return null if the attribute is not present and otherwise will return the /// attribute value. /// /// /// name of the attribute ///static internal string GetAttributeValue(XPathNavigator nav, string attributeName) { //Clone the navigator so that there wont be any sideeffects on the passed in Navigator nav = nav.Clone(); string attributeValue = null; if (nav.MoveToAttribute(attributeName, string.Empty)) { attributeValue = nav.Value; } return attributeValue; } /// /// The method returns typed attribute value of the specified xml attribute. /// The method does not do any specific casting but uses the methods on XPathNavigator. /// /// /// /// ///internal static object GetTypedAttributeValue(XPathNavigator nav, string attributeName, Type clrType) { //Clone the navigator so that there wont be any sideeffects on the passed in Navigator nav = nav.Clone(); object attributeValue = null; if (nav.MoveToAttribute(attributeName, string.Empty)) { attributeValue = nav.ValueAs(clrType); } return attributeValue; } /// /// Searches for Facet Description with the name specified. /// /// Collection of facet description /// name of the facet ///internal static FacetDescription GetFacet(IEnumerable facetCollection, string facetName) { foreach (FacetDescription facetDescription in facetCollection) { if (facetDescription.FacetName == facetName) { return facetDescription; } } return null; } // requires: firstType is not null // effects: Returns true iff firstType is assignable from secondType internal static bool IsAssignableFrom(EdmType firstType, EdmType secondType) { Debug.Assert(firstType != null, "firstType should not be not null"); if (secondType == null) { return false; } return firstType.Equals(secondType) || IsSubtypeOf(secondType, firstType); } // requires: firstType is not null // effects: if otherType is among the base types, return true, // otherwise returns false. // when othertype is same as the current type, return false. internal static bool IsSubtypeOf(EdmType firstType, EdmType secondType) { Debug.Assert(firstType != null, "firstType should not be not null"); if (secondType == null) { return false; } // walk up my type hierarchy list for (EdmType t = firstType.BaseType; t != null; t = t.BaseType) { if (t == secondType) return true; } return false; } internal static IList GetAllStructuralMembers(EdmType edmType) { switch (edmType.BuiltInTypeKind) { case BuiltInTypeKind.AssociationType: return ((AssociationType)edmType).AssociationEndMembers; case BuiltInTypeKind.ComplexType: return ((ComplexType)edmType).Properties; case BuiltInTypeKind.EntityType: return ((EntityType)edmType).Properties; case BuiltInTypeKind.RowType: return ((RowType)edmType).Properties; default: return EmptyArrayEdmProperty; } } /// /// Creates a single comma delimited string given a list of strings /// /// ///internal static String GetCommaDelimitedString(List stringList) { Debug.Assert(stringList != null , "Expecting a non null list"); StringBuilder sb = new StringBuilder(); int count = 0; foreach (string expectedNamespace in stringList) { sb.Append(expectedNamespace); if ((++count) != stringList.Count) { sb.Append(", "); } } return sb.ToString(); } // effects: concatenates all given enumerations internal static IEnumerable Concat (params IEnumerable [] sources) { foreach (IEnumerable source in sources) { if (null != source) { foreach (T element in source) { yield return element; } } } } internal static void DisposeXmlReaders(IEnumerable xmlReaders) { Debug.Assert(xmlReaders != null); foreach (XmlReader xmlReader in xmlReaders) { ((IDisposable)xmlReader).Dispose(); } } #region IsXXXType Methods internal static bool IsStructuralType(EdmType type) { return (IsComplexType(type) || IsEntityType(type) || IsRelationshipType(type) || IsRowType(type)); } internal static bool IsCollectionType(GlobalItem item) { return (BuiltInTypeKind.CollectionType == item.BuiltInTypeKind); } internal static bool IsEntityType(EdmType type) { return (BuiltInTypeKind.EntityType == type.BuiltInTypeKind); } internal static bool IsComplexType(EdmType type) { return (BuiltInTypeKind.ComplexType == type.BuiltInTypeKind); } internal static bool IsPrimitiveType(EdmType type) { return (BuiltInTypeKind.PrimitiveType == type.BuiltInTypeKind); } internal static bool IsRefType(GlobalItem item) { return (BuiltInTypeKind.RefType == item.BuiltInTypeKind); } internal static bool IsRowType(GlobalItem item) { return (BuiltInTypeKind.RowType == item.BuiltInTypeKind); } internal static bool IsAssociationType(EdmType type) { return (BuiltInTypeKind.AssociationType == type.BuiltInTypeKind); } internal static bool IsRelationshipType(EdmType type) { return (BuiltInTypeKind.AssociationType == type.BuiltInTypeKind); } internal static bool IsEdmProperty(EdmMember member) { return (BuiltInTypeKind.EdmProperty == member.BuiltInTypeKind); } internal static bool IsRelationshipEndMember(EdmMember member) { return (BuiltInTypeKind.AssociationEndMember == member.BuiltInTypeKind); } internal static bool IsAssociationEndMember(EdmMember member) { return (BuiltInTypeKind.AssociationEndMember == member.BuiltInTypeKind); } internal static bool IsNavigationProperty(EdmMember member) { return (BuiltInTypeKind.NavigationProperty == member.BuiltInTypeKind); } internal static bool IsEntityTypeBase(EdmType edmType) { return Helper.IsEntityType(edmType) || Helper.IsRelationshipType(edmType); } internal static bool IsTransientType(EdmType edmType) { return Helper.IsCollectionType(edmType) || Helper.IsRefType(edmType) || Helper.IsRowType(edmType); } internal static bool IsEntitySet(EntitySetBase entitySetBase) { return BuiltInTypeKind.EntitySet == entitySetBase.BuiltInTypeKind; } internal static bool IsRelationshipSet(EntitySetBase entitySetBase) { return BuiltInTypeKind.AssociationSet == entitySetBase.BuiltInTypeKind; } internal static bool IsEntityContainer(GlobalItem item) { return BuiltInTypeKind.EntityContainer == item.BuiltInTypeKind; } internal static bool IsEdmFunction(GlobalItem item) { return BuiltInTypeKind.EdmFunction == item.BuiltInTypeKind; } internal static bool IsValidKeyType(PrimitiveTypeKind kind) { return kind != PrimitiveTypeKind.Binary; } internal static string GetFileNameFromUri(Uri uri) { if ( uri == null ) throw new ArgumentNullException("uri"); if ( uri.IsFile ) return uri.LocalPath; if ( uri.IsAbsoluteUri ) return uri.AbsolutePath; throw new ArgumentException(System.Data.Entity.Strings.UnacceptableUri(uri),"uri"); } internal static bool IsEnumType(EdmType edmType) { return BuiltInTypeKind.EnumType == edmType.BuiltInTypeKind; } internal static bool IsUnboundedFacetValue(Facet facet) { return object.ReferenceEquals(facet.Value, EdmConstants.UnboundedValue); } #endregion /// IsXXXType region /// Performance of Enum.ToString() is slow and we use this value in building Identity internal static string ToString(System.Data.ParameterDirection value) { switch (value) { case ParameterDirection.Input: return "Input"; case ParameterDirection.Output: return "Output"; case ParameterDirection.InputOutput: return "InputOutput"; case ParameterDirection.ReturnValue: return "ReturnValue"; default: Debug.Assert(false, "which ParameterDirection.ToString() is missing?"); return value.ToString(); } } ///Performance of Enum.ToString() is slow and we use this value in building Identity internal static string ToString(System.Data.Metadata.Edm.ParameterMode value) { switch (value) { case ParameterMode.In: return EdmConstants.In; case ParameterMode.Out: return EdmConstants.Out; case ParameterMode.InOut: return EdmConstants.InOut; case ParameterMode.ReturnValue: return "ReturnValue"; default: Debug.Assert(false, "which ParameterMode.ToString() is missing?"); return value.ToString(); } } #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
- BitmapInitialize.cs
- TextServicesHost.cs
- DisplayInformation.cs
- PtsCache.cs
- TransformValueSerializer.cs
- PrePrepareMethodAttribute.cs
- CommandField.cs
- ImageResources.Designer.cs
- TreeIterator.cs
- VersionedStreamOwner.cs
- DeclaredTypeValidatorAttribute.cs
- ProgressiveCrcCalculatingStream.cs
- EncoderReplacementFallback.cs
- PtsHelper.cs
- PopupControlService.cs
- FloatAverageAggregationOperator.cs
- MessageParameterAttribute.cs
- CompositeCollection.cs
- DataMemberAttribute.cs
- WindowsFormsHelpers.cs
- OperatingSystemVersionCheck.cs
- ProjectedSlot.cs
- Triplet.cs
- ExtensionSimplifierMarkupObject.cs
- CodeNamespace.cs
- StandardBindingElement.cs
- NamespaceQuery.cs
- IPGlobalProperties.cs
- BindingObserver.cs
- IndexingContentUnit.cs
- ChannelProtectionRequirements.cs
- ModuleBuilderData.cs
- TreeWalkHelper.cs
- Tuple.cs
- Rect3D.cs
- DeferredRunTextReference.cs
- RuleRefElement.cs
- CollectionViewSource.cs
- InvalidEnumArgumentException.cs
- WindowsFormsHostPropertyMap.cs
- SubclassTypeValidator.cs
- UIEndRequest.cs
- Win32.cs
- StatusBarPanelClickEvent.cs
- SQLInt16Storage.cs
- HitTestParameters3D.cs
- RSAOAEPKeyExchangeDeformatter.cs
- PersonalizationAdministration.cs
- WindowsStatusBar.cs
- EnvironmentPermission.cs
- LogicalExpr.cs
- ProfilePropertyNameValidator.cs
- FixedSOMTable.cs
- IdleTimeoutMonitor.cs
- ImageResources.Designer.cs
- AspProxy.cs
- DataGridViewRowEventArgs.cs
- SchemaType.cs
- DataGridViewCellConverter.cs
- ParameterCollection.cs
- StaticSiteMapProvider.cs
- ObjectQueryProvider.cs
- FixedFlowMap.cs
- OleDbConnectionFactory.cs
- CreateUserErrorEventArgs.cs
- SortedDictionary.cs
- RequiredAttributeAttribute.cs
- UnicodeEncoding.cs
- CodeLinePragma.cs
- ActiveXHelper.cs
- ByteStorage.cs
- ManipulationInertiaStartingEventArgs.cs
- LayoutInformation.cs
- Scene3D.cs
- EventWaitHandle.cs
- UseLicense.cs
- RadioButton.cs
- InternalDispatchObject.cs
- TreeNodeStyleCollectionEditor.cs
- ModelService.cs
- ConfigurationSchemaErrors.cs
- PagedControl.cs
- PerformanceCounterPermissionAttribute.cs
- DataGridViewRowConverter.cs
- FieldInfo.cs
- MobileRedirect.cs
- MethodRental.cs
- TemplateBindingExpressionConverter.cs
- NetDataContractSerializer.cs
- PersianCalendar.cs
- MetadataUtil.cs
- DetailsViewInsertEventArgs.cs
- ConfigXmlCDataSection.cs
- ListContractAdapter.cs
- UnhandledExceptionEventArgs.cs
- BamlLocalizableResource.cs
- OdbcHandle.cs
- RtfFormatStack.cs
- IisTraceListener.cs
- PrePrepareMethodAttribute.cs