Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / EntityModel / SchemaObjectModel / CollectionTypeElement.cs / 1305376 / CollectionTypeElement.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using Som = System.Data.EntityModel.SchemaObjectModel; using System; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.Diagnostics; using System.Globalization; using System.Xml; using System.Xml.Schema; using System.Data; using System.IO; using System.Data.Metadata.Edm; using System.Data.Entity; using System.Text; namespace System.Data.EntityModel.SchemaObjectModel { ////// class representing the Schema element in the schema /// internal class CollectionTypeElement : ModelFunctionTypeElement { private ModelFunctionTypeElement _typeSubElement = null; #region constructor ////// /// /// internal CollectionTypeElement(SchemaElement parentElement) : base(parentElement) { } #endregion protected override bool HandleAttribute(XmlReader reader) { if (base.HandleAttribute(reader)) { return true; } else if (CanHandleAttribute(reader, XmlConstants.ElementType)) { HandleElementTypeAttribute(reader); return true; } return false; } protected void HandleElementTypeAttribute(XmlReader reader) { Debug.Assert(reader != null); string type; if (!Utils.GetString(Schema, reader, out type)) return; _unresolvedType = type; } protected override bool HandleElement(XmlReader reader) { if (CanHandleElement(reader, XmlConstants.CollectionType)) { HandleCollectionTypeElement(reader); return true; } else if (CanHandleElement(reader, XmlConstants.ReferenceType)) { HandleReferenceTypeElement(reader); return true; } else if (CanHandleElement(reader, XmlConstants.TypeRef)) { HandleTypeRefElement(reader); return true; } else if (CanHandleElement(reader, XmlConstants.RowType)) { HandleRowTypeElement(reader); return true; } return false; } protected void HandleCollectionTypeElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new CollectionTypeElement(this); subElement.Parse(reader); _typeSubElement = subElement; } protected void HandleReferenceTypeElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new ReferenceTypeElement(this); subElement.Parse(reader); _typeSubElement = subElement; } protected void HandleTypeRefElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new TypeRefElement(this); subElement.Parse(reader); _typeSubElement = subElement; } protected void HandleRowTypeElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new RowTypeElement(this); subElement.Parse(reader); _typeSubElement = subElement; } internal override void ResolveTopLevelNames() { if (_typeSubElement != null) { _typeSubElement.ResolveTopLevelNames(); } // Can't be "else if" because element could have attribute AND sub-element, // in which case semantic validation won't work unless it has resolved both (so _type is not null) if( _unresolvedType != null) { base.ResolveTopLevelNames(); } } internal override void WriteIdentity(StringBuilder builder) { if (UnresolvedType != null && !UnresolvedType.Trim().Equals(String.Empty)) { builder.Append("Collection(" + UnresolvedType + ")"); } else { builder.Append("Collection("); _typeSubElement.WriteIdentity(builder); builder.Append(")"); } } internal override TypeUsage GetTypeUsage() { if (_typeUsage != null) { return _typeUsage; } Debug.Assert(_typeSubElement != null, "For attributes typeusage should have been resolved"); if (_typeSubElement != null) { CollectionType collectionType = new CollectionType(_typeSubElement.GetTypeUsage()); collectionType.AddMetadataProperties(this.OtherContent); _typeUsage = TypeUsage.Create(collectionType); } return _typeUsage; } internal override bool ResolveNameAndSetTypeUsage(Converter.ConversionCache convertedItemCache, DictionarynewGlobalItems) { if (_typeUsage == null) { if (_typeSubElement != null) //Has sub-elements { return _typeSubElement.ResolveNameAndSetTypeUsage(convertedItemCache, newGlobalItems); } else //Does not have sub-elements; try to resolve { if (_type is ScalarType) //Create and store type usage for scalar type { _typeUsageBuilder.ValidateAndSetTypeUsage(_type as ScalarType, false); _typeUsage = TypeUsage.Create(new CollectionType(_typeUsageBuilder.TypeUsage)); return true; } else //Try to resolve edm type. If not now, it will resolve in the second pass { EdmType edmType = (EdmType)Converter.LoadSchemaElement(_type, _type.Schema.ProviderManifest, convertedItemCache, newGlobalItems); if (edmType != null) { _typeUsageBuilder.ValidateAndSetTypeUsage(edmType, false); //use typeusagebuilder so dont lose facet information _typeUsage = TypeUsage.Create(new CollectionType(_typeUsageBuilder.TypeUsage)); } return _typeUsage != null; } } } return true; } internal override void Validate() { base.Validate(); if (_type != null && _type is ScalarType == false && _typeUsageBuilder.HasUserDefinedFacets) { //Non-scalar return type should not have Facets AddError(ErrorCode.ModelFuncionFacetOnNonScalarType, EdmSchemaErrorSeverity.Error, Strings.FacetsOnNonScalarType(_type.FQName)); } if (_type == null && _typeUsageBuilder.HasUserDefinedFacets) { //Type attribute not specified but facets exist AddError(ErrorCode.ModelFunctionIncorrectlyPlacedFacet, EdmSchemaErrorSeverity.Error, Strings.FacetDeclarationRequiresTypeAttribute); } if (_type == null && _typeSubElement == null) { //Type not declared as either attribute or subelement AddError(ErrorCode.ModelFunctionTypeNotDeclared, EdmSchemaErrorSeverity.Error, Strings.TypeMustBeDeclared); } if (_type != null && _typeSubElement != null) { //Both attribute and sub-element declarations exist AddError(ErrorCode.TypeDeclaredAsAttributeAndElement, EdmSchemaErrorSeverity.Error, Strings.TypeDeclaredAsAttributeAndElement); } if (_typeSubElement != null) { _typeSubElement.Validate(); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using Som = System.Data.EntityModel.SchemaObjectModel; using System; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.Diagnostics; using System.Globalization; using System.Xml; using System.Xml.Schema; using System.Data; using System.IO; using System.Data.Metadata.Edm; using System.Data.Entity; using System.Text; namespace System.Data.EntityModel.SchemaObjectModel { ////// class representing the Schema element in the schema /// internal class CollectionTypeElement : ModelFunctionTypeElement { private ModelFunctionTypeElement _typeSubElement = null; #region constructor ////// /// /// internal CollectionTypeElement(SchemaElement parentElement) : base(parentElement) { } #endregion protected override bool HandleAttribute(XmlReader reader) { if (base.HandleAttribute(reader)) { return true; } else if (CanHandleAttribute(reader, XmlConstants.ElementType)) { HandleElementTypeAttribute(reader); return true; } return false; } protected void HandleElementTypeAttribute(XmlReader reader) { Debug.Assert(reader != null); string type; if (!Utils.GetString(Schema, reader, out type)) return; _unresolvedType = type; } protected override bool HandleElement(XmlReader reader) { if (CanHandleElement(reader, XmlConstants.CollectionType)) { HandleCollectionTypeElement(reader); return true; } else if (CanHandleElement(reader, XmlConstants.ReferenceType)) { HandleReferenceTypeElement(reader); return true; } else if (CanHandleElement(reader, XmlConstants.TypeRef)) { HandleTypeRefElement(reader); return true; } else if (CanHandleElement(reader, XmlConstants.RowType)) { HandleRowTypeElement(reader); return true; } return false; } protected void HandleCollectionTypeElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new CollectionTypeElement(this); subElement.Parse(reader); _typeSubElement = subElement; } protected void HandleReferenceTypeElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new ReferenceTypeElement(this); subElement.Parse(reader); _typeSubElement = subElement; } protected void HandleTypeRefElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new TypeRefElement(this); subElement.Parse(reader); _typeSubElement = subElement; } protected void HandleRowTypeElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new RowTypeElement(this); subElement.Parse(reader); _typeSubElement = subElement; } internal override void ResolveTopLevelNames() { if (_typeSubElement != null) { _typeSubElement.ResolveTopLevelNames(); } // Can't be "else if" because element could have attribute AND sub-element, // in which case semantic validation won't work unless it has resolved both (so _type is not null) if( _unresolvedType != null) { base.ResolveTopLevelNames(); } } internal override void WriteIdentity(StringBuilder builder) { if (UnresolvedType != null && !UnresolvedType.Trim().Equals(String.Empty)) { builder.Append("Collection(" + UnresolvedType + ")"); } else { builder.Append("Collection("); _typeSubElement.WriteIdentity(builder); builder.Append(")"); } } internal override TypeUsage GetTypeUsage() { if (_typeUsage != null) { return _typeUsage; } Debug.Assert(_typeSubElement != null, "For attributes typeusage should have been resolved"); if (_typeSubElement != null) { CollectionType collectionType = new CollectionType(_typeSubElement.GetTypeUsage()); collectionType.AddMetadataProperties(this.OtherContent); _typeUsage = TypeUsage.Create(collectionType); } return _typeUsage; } internal override bool ResolveNameAndSetTypeUsage(Converter.ConversionCache convertedItemCache, DictionarynewGlobalItems) { if (_typeUsage == null) { if (_typeSubElement != null) //Has sub-elements { return _typeSubElement.ResolveNameAndSetTypeUsage(convertedItemCache, newGlobalItems); } else //Does not have sub-elements; try to resolve { if (_type is ScalarType) //Create and store type usage for scalar type { _typeUsageBuilder.ValidateAndSetTypeUsage(_type as ScalarType, false); _typeUsage = TypeUsage.Create(new CollectionType(_typeUsageBuilder.TypeUsage)); return true; } else //Try to resolve edm type. If not now, it will resolve in the second pass { EdmType edmType = (EdmType)Converter.LoadSchemaElement(_type, _type.Schema.ProviderManifest, convertedItemCache, newGlobalItems); if (edmType != null) { _typeUsageBuilder.ValidateAndSetTypeUsage(edmType, false); //use typeusagebuilder so dont lose facet information _typeUsage = TypeUsage.Create(new CollectionType(_typeUsageBuilder.TypeUsage)); } return _typeUsage != null; } } } return true; } internal override void Validate() { base.Validate(); if (_type != null && _type is ScalarType == false && _typeUsageBuilder.HasUserDefinedFacets) { //Non-scalar return type should not have Facets AddError(ErrorCode.ModelFuncionFacetOnNonScalarType, EdmSchemaErrorSeverity.Error, Strings.FacetsOnNonScalarType(_type.FQName)); } if (_type == null && _typeUsageBuilder.HasUserDefinedFacets) { //Type attribute not specified but facets exist AddError(ErrorCode.ModelFunctionIncorrectlyPlacedFacet, EdmSchemaErrorSeverity.Error, Strings.FacetDeclarationRequiresTypeAttribute); } if (_type == null && _typeSubElement == null) { //Type not declared as either attribute or subelement AddError(ErrorCode.ModelFunctionTypeNotDeclared, EdmSchemaErrorSeverity.Error, Strings.TypeMustBeDeclared); } if (_type != null && _typeSubElement != null) { //Both attribute and sub-element declarations exist AddError(ErrorCode.TypeDeclaredAsAttributeAndElement, EdmSchemaErrorSeverity.Error, Strings.TypeDeclaredAsAttributeAndElement); } if (_typeSubElement != null) { _typeSubElement.Validate(); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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