private ColumnMap CreateStructuralColumnMap(TypeUsage type, string name)
{
TypeInfo typeInfo = this.m_typeInfo.GetTypeInfo(type);
if (TypeSemantics.IsRowType(type))
{
return((ColumnMap)this.CreateRecordColumnMap(typeInfo, name));
}
if (TypeSemantics.IsReferenceType(type))
{
return((ColumnMap)this.CreateRefColumnMap(typeInfo, name));
}
if (typeInfo.HasTypeIdProperty)
{
return((ColumnMap)this.CreatePolymorphicColumnMap(typeInfo, name));
}
if (TypeSemantics.IsComplexType(type))
{
return((ColumnMap)this.CreateComplexTypeColumnMap(typeInfo, name, (ComplexTypeColumnMap)null, (Dictionary <object, TypedColumnMap>)null, (List <TypedColumnMap>)null));
}
if (TypeSemantics.IsEntityType(type))
{
return((ColumnMap)this.CreateEntityColumnMap(typeInfo, name, (EntityColumnMap)null, (Dictionary <object, TypedColumnMap>)null, (List <TypedColumnMap>)null, true));
}
throw new NotSupportedException(type.Identity);
}
private SimplePolymorphicColumnMap CreatePolymorphicColumnMap(
TypeInfo typeInfo,
string name)
{
Dictionary <object, TypedColumnMap> dictionary = new Dictionary <object, TypedColumnMap>(typeInfo.RootType.DiscriminatorMap == null ? (IEqualityComparer <object>)null : (IEqualityComparer <object>)TrailingSpaceComparer.Instance);
List <TypedColumnMap> allMaps = new List <TypedColumnMap>();
TypeInfo rootType = (TypeInfo)typeInfo.RootType;
SimpleColumnMap typeIdColumnMap = this.CreateTypeIdColumnMap(rootType.TypeIdProperty);
if (TypeSemantics.IsComplexType(typeInfo.Type))
{
this.CreateComplexTypeColumnMap(rootType, name, (ComplexTypeColumnMap)null, dictionary, allMaps);
}
else
{
this.CreateEntityColumnMap(rootType, name, (EntityColumnMap)null, dictionary, allMaps, true);
}
TypedColumnMap typedColumnMap1 = (TypedColumnMap)null;
foreach (TypedColumnMap typedColumnMap2 in allMaps)
{
if (TypeSemantics.IsStructurallyEqual(typedColumnMap2.Type, typeInfo.Type))
{
typedColumnMap1 = typedColumnMap2;
break;
}
}
System.Data.Entity.Core.Query.PlanCompiler.PlanCompiler.Assert(null != typedColumnMap1, "Didn't find requested type in polymorphic type hierarchy?");
return(new SimplePolymorphicColumnMap(typeInfo.Type, name, typedColumnMap1.Properties, typeIdColumnMap, dictionary));
}
internal static bool IsStructuredType(TypeUsage type)
{
if (!TypeSemantics.IsReferenceType(type) && !TypeSemantics.IsRowType(type) && (!TypeSemantics.IsEntityType(type) && !TypeSemantics.IsRelationshipType(type)))
{
return(TypeSemantics.IsComplexType(type));
}
return(true);
}
/// <summary>Construct a new Complex Property mapping object</summary>
/// <param name="property"> The MemberMetadata object that represents this Complex member </param>
public ComplexPropertyMapping(EdmProperty property)
: base(property)
{
Check.NotNull <EdmProperty>(property, nameof(property));
if (!TypeSemantics.IsComplexType(property.TypeUsage))
{
throw new ArgumentException(Strings.StorageComplexPropertyMapping_OnlyComplexPropertyAllowed, nameof(property));
}
this._typeMappings = new List <ComplexTypeMapping>();
}
/// <summary>
/// Recursively add any Row types to the list of types needing a sentinel.
/// </summary>
/// <param name="typesNeedingNullableSentinel"> </param>
/// <param name="typeUsage"> </param>
private static void AddTypeNeedingNullSentinel(HashSet <string> typesNeedingNullSentinel, TypeUsage typeUsage)
{
if (TypeSemantics.IsCollectionType(typeUsage))
{
AddTypeNeedingNullSentinel(typesNeedingNullSentinel, TypeHelpers.GetElementTypeUsage(typeUsage));
}
else
{
if (TypeSemantics.IsRowType(typeUsage) ||
TypeSemantics.IsComplexType(typeUsage))
{
MarkAsNeedingNullSentinel(typesNeedingNullSentinel, typeUsage);
}
foreach (EdmMember m in TypeHelpers.GetAllStructuralMembers(typeUsage))
{
AddTypeNeedingNullSentinel(typesNeedingNullSentinel, m.TypeUsage);
}
}
}
private static void AddTypeNeedingNullSentinel(
HashSet <string> typesNeedingNullSentinel,
TypeUsage typeUsage)
{
if (TypeSemantics.IsCollectionType(typeUsage))
{
StructuredTypeNullabilityAnalyzer.AddTypeNeedingNullSentinel(typesNeedingNullSentinel, TypeHelpers.GetElementTypeUsage(typeUsage));
}
else
{
if (TypeSemantics.IsRowType(typeUsage) || TypeSemantics.IsComplexType(typeUsage))
{
StructuredTypeNullabilityAnalyzer.MarkAsNeedingNullSentinel(typesNeedingNullSentinel, typeUsage);
}
foreach (EdmMember structuralMember in (IEnumerable)TypeHelpers.GetAllStructuralMembers(typeUsage))
{
StructuredTypeNullabilityAnalyzer.AddTypeNeedingNullSentinel(typesNeedingNullSentinel, structuralMember.TypeUsage);
}
}
}
private void EmitField(CodeTypeDeclaration typeDecl, CodeTypeReference fieldType)
{
CodeMemberField memberField = new CodeMemberField(fieldType, FieldName);
memberField.Attributes = MemberAttributes.Private;
if (HasDefault(Item))
{
memberField.InitExpression = GetDefaultValueExpression(Item);
}
AttributeEmitter.AddGeneratedCodeAttribute(memberField);
typeDecl.Members.Add(memberField);
if (TypeSemantics.IsComplexType(Item.TypeUsage))
{
CodeMemberField complexInitField = new CodeMemberField(TypeReference.ForType(typeof(bool)), ComplexPropertyInitializedFieldName);
complexInitField.Attributes = MemberAttributes.Private;
AttributeEmitter.AddGeneratedCodeAttribute(complexInitField);
typeDecl.Members.Add(complexInitField);
}
}
/// <summary>
/// Emit static factory method which creates an instance of the class and initializes
/// non-nullable properties (taken as arguments)
/// </summary>
/// <param name="typeDecl"></param>
protected virtual void EmitFactoryMethod(CodeTypeDeclaration typeDecl)
{
// build list of non-nullable properties
ReadOnlyMetadataCollection <EdmProperty> properties = GetProperties();
List <EdmProperty> parameters = new List <EdmProperty>(properties.Count);
foreach (EdmProperty property in properties)
{
bool include = IncludeFieldInFactoryMethod(property);
if (include)
{
parameters.Add(property);
}
}
// if there are no parameters, we don't emit anything (1 is for the null element)
// nor do we emit everything if this is the Ref propertied ctor and the parameter list is the same as the many parametered ctor
if (parameters.Count < 1)
{
return;
}
CodeMemberMethod method = new CodeMemberMethod();
CodeTypeReference typeRef = TypeReference.FromString(Item.Name);
UniqueIdentifierService uniqueIdentifierService = new UniqueIdentifierService(Generator.IsLanguageCaseSensitive);
string instanceName = uniqueIdentifierService.AdjustIdentifier(Utils.CamelCase(Item.Name));
// public static Class CreateClass(...)
method.Attributes = MemberAttributes.Static | MemberAttributes.Public;
method.Name = "Create" + Item.Name;
if (NavigationPropertyEmitter.IsNameAlreadyAMemberName(Item, method.Name, Generator.LanguageAppropriateStringComparer))
{
Generator.AddError(Strings.GeneratedFactoryMethodNameConflict(method.Name, Item.Name),
ModelBuilderErrorCode.GeneratedFactoryMethodNameConflict,
EdmSchemaErrorSeverity.Error);
}
method.ReturnType = typeRef;
AttributeEmitter.AddGeneratedCodeAttribute(method);
// output method summary comments
CommentEmitter.EmitSummaryComments(Strings.FactoryMethodSummaryComment(Item.Name), method.Comments);
// Class class = new Class();
CodeVariableDeclarationStatement createNewInstance = new CodeVariableDeclarationStatement(
typeRef, instanceName, new CodeObjectCreateExpression(typeRef));
method.Statements.Add(createNewInstance);
CodeVariableReferenceExpression instanceRef = new CodeVariableReferenceExpression(instanceName);
// iterate over the properties figuring out which need included in the factory method
foreach (EdmProperty property in parameters)
{
// CreateClass( ... , propType propName ...)
PropertyEmitter propertyEmitter = new PropertyEmitter(Generator, property, UsingStandardBaseClass);
CodeTypeReference propertyTypeReference = propertyEmitter.PropertyType;
String parameterName = uniqueIdentifierService.AdjustIdentifier(Utils.FixParameterName(propertyEmitter.PropertyName, "argument"));
parameterName = Utils.SetSpecialCaseForFxCopOnPropertyName(parameterName);
CodeParameterDeclarationExpression paramDecl = new CodeParameterDeclarationExpression(
propertyTypeReference, parameterName);
CodeArgumentReferenceExpression paramRef = new CodeArgumentReferenceExpression(paramDecl.Name);
method.Parameters.Add(paramDecl);
// add comment describing the parameter
CommentEmitter.EmitParamComments(paramDecl, Strings.FactoryParamCommentGeneral(propertyEmitter.PropertyName), method.Comments);
CodeExpression newPropertyValue;
if (TypeSemantics.IsComplexType(propertyEmitter.Item.TypeUsage))
{
List <CodeExpression> complexVerifyParameters = new List <CodeExpression>();
complexVerifyParameters.Add(paramRef);
complexVerifyParameters.Add(new CodePrimitiveExpression(propertyEmitter.PropertyName));
// if (null == param) { throw new ArgumentNullException("PropertyName"); }
method.Statements.Add(
new CodeConditionStatement(
EmitExpressionEqualsNull(paramRef),
new CodeThrowExceptionStatement(
new CodeObjectCreateExpression(
TypeReference.ForType(typeof(ArgumentNullException)),
new CodePrimitiveExpression(parameterName)
)
)
)
);
newPropertyValue = paramRef;
}
else
{
newPropertyValue = paramRef;
}
// Scalar property:
// Property = param;
// Complex property:
// Property = StructuralObject.VerifyComplexObjectIsNotNull(param, propertyName);
method.Statements.Add(new CodeAssignStatement(new CodePropertyReferenceExpression(instanceRef, propertyEmitter.PropertyName), newPropertyValue));
}
// return class;
method.Statements.Add(new CodeMethodReturnStatement(instanceRef));
// actually add the method to the class
typeDecl.Members.Add(method);
}
private void AssignTypeIds()
{
int num = 0;
foreach (KeyValuePair <TypeUsage, TypeInfo> typeInfo in this.m_typeInfoMap)
{
if (typeInfo.Value.RootType.DiscriminatorMap != null)
{
EntityType edmType = (EntityType)typeInfo.Key.EdmType;
typeInfo.Value.TypeId = typeInfo.Value.RootType.DiscriminatorMap.GetTypeId(edmType);
}
else if (typeInfo.Value.IsRootType && (TypeSemantics.IsEntityType(typeInfo.Key) || TypeSemantics.IsComplexType(typeInfo.Key)))
{
this.AssignRootTypeId(typeInfo.Value, string.Format((IFormatProvider)CultureInfo.InvariantCulture, "{0}X", (object)num));
++num;
}
}
}
