/// <summary>
///
/// </summary>
/// <returns></returns>
public override CodeTypeDeclarationCollection EmitApiClass()
{
Validate(); // emitter-specific validation
CodeTypeReference baseType = this.GetBaseType();
// raise the TypeGenerated event
TypeGeneratedEventArgs eventArgs = new TypeGeneratedEventArgs(Item, baseType);
this.Generator.RaiseTypeGeneratedEvent(eventArgs);
// public [abstract] partial class ClassName
CodeTypeDeclaration typeDecl = new CodeTypeDeclaration(Item.Name);
typeDecl.IsPartial = true;
typeDecl.TypeAttributes = System.Reflection.TypeAttributes.Class;
if (Item.Abstract)
{
typeDecl.TypeAttributes |= System.Reflection.TypeAttributes.Abstract;
}
SetTypeVisibility(typeDecl);
EmitTypeAttributes(Item.Name, typeDecl, eventArgs.AdditionalAttributes);
// : baseclass
AssignBaseType(typeDecl, baseType, eventArgs.BaseType);
AddInterfaces(Item.Name, typeDecl, eventArgs.AdditionalInterfaces);
CommentEmitter.EmitSummaryComments(Item, typeDecl.Comments);
// Since abstract types cannot be instantiated, skip the factory method for abstract types
if ((typeDecl.TypeAttributes & System.Reflection.TypeAttributes.Abstract) == 0)
{
EmitFactoryMethod(typeDecl);
}
EmitProperties(typeDecl);
// additional members, if provided by the event subscriber
this.AddMembers(Item.Name, typeDecl, eventArgs.AdditionalMembers);
CodeTypeDeclarationCollection typeDecls = new CodeTypeDeclarationCollection();
typeDecls.Add(typeDecl);
return(typeDecls);
}
/// <summary>
/// Helper method that raises the TypeGenerated event
/// </summary>
/// <param name="eventArgs">The event arguments passed to the subscriber</param>
internal void RaiseTypeGeneratedEvent(TypeGeneratedEventArgs eventArgs)
{
_generator.RaiseTypeGeneratedEvent(eventArgs);
}
/// <summary>
/// Creates the CodeTypeDeclarations necessary to generate the code for the EntityContainer schema element
/// </summary>
/// <returns></returns>
public override CodeTypeDeclarationCollection EmitApiClass()
{
Validate(); // emitter-specific validation
// declare the new class
// public partial class LOBScenario : ObjectContext
CodeTypeDeclaration typeDecl = new CodeTypeDeclaration(Item.Name);
typeDecl.IsPartial = true;
// raise the TypeGenerated event
CodeTypeReference objectContextTypeRef = TypeReference.ObjectContext;
TypeGeneratedEventArgs eventArgs = new TypeGeneratedEventArgs(Item, objectContextTypeRef);
Generator.RaiseTypeGeneratedEvent(eventArgs);
if (eventArgs.BaseType != null && !eventArgs.BaseType.Equals(objectContextTypeRef))
{
typeDecl.BaseTypes.Add(eventArgs.BaseType);
}
else
{
typeDecl.BaseTypes.Add(TypeReference.ObjectContext);
}
AddInterfaces(Item.Name, typeDecl, eventArgs.AdditionalInterfaces);
CommentEmitter.EmitSummaryComments(Item, typeDecl.Comments);
EmitTypeAttributes(Item.Name, typeDecl, eventArgs.AdditionalAttributes);
CreateConstructors(typeDecl);
// adding partial OnContextCreated method
CreateContextPartialMethods(typeDecl);
foreach (EntitySetBase entitySetBase in Item.BaseEntitySets)
{
if (MetadataUtil.IsEntitySet(entitySetBase))
{
EntitySet set = (EntitySet)entitySetBase;
CodeMemberProperty codeProperty = CreateEntitySetProperty(set);
typeDecl.Members.Add(codeProperty);
CodeMemberField codeField = CreateEntitySetField(set);
typeDecl.Members.Add(codeField);
}
}
foreach (EntitySetBase entitySetBase in Item.BaseEntitySets)
{
if (MetadataUtil.IsEntitySet(entitySetBase))
{
EntitySet set = (EntitySet)entitySetBase;
CodeMemberMethod codeProperty = CreateEntitySetAddObjectProperty(set);
typeDecl.Members.Add(codeProperty);
}
}
foreach (EdmFunction functionImport in Item.FunctionImports)
{
if (ShouldEmitFunctionImport(functionImport))
{
CodeMemberMethod functionMethod = CreateFunctionImportStructuralTypeReaderMethod(functionImport);
typeDecl.Members.Add(functionMethod);
}
}
// additional members, if provided by the event subscriber
AddMembers(Item.Name, typeDecl, eventArgs.AdditionalMembers);
CodeTypeDeclarationCollection typeDecls = new CodeTypeDeclarationCollection();
typeDecls.Add(typeDecl);
return(typeDecls);
}
private void TypeGeneratedEventHandler(object sender, TypeGeneratedEventArgs eventArgs)
{
if (!this.UseDataServiceCollection)
{
return;
}
if (eventArgs.TypeSource.BuiltInTypeKind != BuiltInTypeKind.EntityType &&
eventArgs.TypeSource.BuiltInTypeKind != BuiltInTypeKind.ComplexType)
{
return;
}
if (eventArgs.TypeSource.BuiltInTypeKind == BuiltInTypeKind.EntityType)
{
// Generate EntitySetAttribute only if there is exactly one entity set associated
// with the entity type. The DataServiceEntitySetAttribute is not generated for ComplexType(s).
EntitySetBase entitySet = this.GetUniqueEntitySetForType((EntityType)eventArgs.TypeSource);
if (entitySet != null)
{
List <CodeAttributeDeclaration> additionalAttributes = eventArgs.AdditionalAttributes;
CodeAttributeDeclaration attribute = new CodeAttributeDeclaration(
new CodeTypeReference(typeof(System.Data.Services.Common.EntitySetAttribute),
CodeTypeReferenceOptions.GlobalReference), new CodeAttributeArgument(new CodePrimitiveExpression(entitySet.Name)));
additionalAttributes.Add(attribute);
}
}
//// Determine if type being generated has a base type
if (eventArgs.BaseType != null && !String.IsNullOrEmpty(eventArgs.BaseType.BaseType))
{
if (this.GetSourceTypes().Where(x => x.BuiltInTypeKind == BuiltInTypeKind.EntityType).Where(x => ((EntityType)x).Name == eventArgs.BaseType.BaseType).Count() != 0)
{
//// Don't generate the PropertyChanged event and OnPropertyChanged method for derived type classes
return;
}
}
//// Add the INotifyPropertyChanged interface
List <Type> additionalInterfaces = eventArgs.AdditionalInterfaces;
additionalInterfaces.Add(typeof(System.ComponentModel.INotifyPropertyChanged));
//// Add the implementation of the INotifyPropertyChanged interface
//// Generate this code:
////
//// CSharp:
////
//// public event global::System.ComponentModel.PropertyChangedEventHandler PropertyChanged;
////
//// protected virtual void OnPropertyChanged(string property) {
//// if ((this.PropertyChanged != null)) {
//// this.PropertyChanged(this, new global::System.ComponentModel.PropertyChangedEventArgs(property));
//// }
//// }
////
//// Visual Basic:
////
//// Public Event PropertyChanged As Global.System.ComponentModel.PropertyChangedEventHandler Implements System.ComponentModel.INotifyPropertyChanged.PropertyChanged
//// Protected Overridable Sub OnPropertyChanged(ByVal [property] As String)
//// If (Not (Me.PropertyChangedEvent) Is Nothing) Then
//// RaiseEvent PropertyChanged(Me, New Global.System.ComponentModel.PropertyChangedEventArgs([property]))
//// End If
//// End Sub
CodeMemberEvent propertyChangedEvent = new CodeMemberEvent();
propertyChangedEvent.Type = new CodeTypeReference(typeof(System.ComponentModel.PropertyChangedEventHandler), CodeTypeReferenceOptions.GlobalReference);
propertyChangedEvent.Name = "PropertyChanged";
propertyChangedEvent.Attributes = MemberAttributes.Public;
propertyChangedEvent.ImplementationTypes.Add(typeof(System.ComponentModel.INotifyPropertyChanged));
AttributeEmitter.AddGeneratedCodeAttribute(propertyChangedEvent);
eventArgs.AdditionalMembers.Add(propertyChangedEvent);
CodeMemberMethod propertyChangedMethod = new CodeMemberMethod();
propertyChangedMethod.Name = "OnPropertyChanged";
propertyChangedMethod.Parameters.Add(new CodeParameterDeclarationExpression(new CodeTypeReference(typeof(System.String), CodeTypeReferenceOptions.GlobalReference), "property"));
propertyChangedMethod.ReturnType = new CodeTypeReference(typeof(void));
AttributeEmitter.AddGeneratedCodeAttribute(propertyChangedMethod);
propertyChangedMethod.Statements.Add(
new CodeConditionStatement(
new CodeBinaryOperatorExpression(
new CodeEventReferenceExpression(new CodeThisReferenceExpression(), "PropertyChanged"),
CodeBinaryOperatorType.IdentityInequality,
new CodePrimitiveExpression(null)),
new CodeExpressionStatement(
new CodeDelegateInvokeExpression(
new CodeEventReferenceExpression(new CodeThisReferenceExpression(), "PropertyChanged"),
new CodeExpression[] {
new CodeThisReferenceExpression(),
new CodeObjectCreateExpression(new CodeTypeReference(typeof(System.ComponentModel.PropertyChangedEventArgs), CodeTypeReferenceOptions.GlobalReference), new CodeArgumentReferenceExpression("property"))
}))));
propertyChangedMethod.Attributes = MemberAttributes.Family;
eventArgs.AdditionalMembers.Add(propertyChangedMethod);
}
/// <summary>
/// Creates the CodeTypeDeclarations necessary to generate the code for the EntityContainer schema element
/// </summary>
/// <returns></returns>
public override CodeTypeDeclarationCollection EmitApiClass()
{
Validate(); // emitter-specific validation
// declare the new class
// public partial class LOBScenario : ObjectContext
CodeTypeDeclaration typeDecl = new CodeTypeDeclaration(Item.Name);
typeDecl.IsPartial = true;
// raise the TypeGenerated event
CodeTypeReference objectContextTypeRef = TypeReference.ObjectContext;
TypeGeneratedEventArgs eventArgs = new TypeGeneratedEventArgs(Item, objectContextTypeRef);
Generator.RaiseTypeGeneratedEvent(eventArgs);
if (eventArgs.BaseType != null && !eventArgs.BaseType.Equals(objectContextTypeRef))
{
typeDecl.BaseTypes.Add(eventArgs.BaseType);
}
else
{
typeDecl.BaseTypes.Add(TypeReference.ObjectContext);
}
AddInterfaces(Item.Name, typeDecl, eventArgs.AdditionalInterfaces);
CommentEmitter.EmitSummaryComments(Item, typeDecl.Comments);
EmitTypeAttributes(Item.Name, typeDecl, eventArgs.AdditionalAttributes);
bool needTypeMapper = (0 < this.Generator.NamespaceMap.Count);
var q = from a in this.Generator.EdmItemCollection.GetItems <StructuralType>()
where (a.BaseType != null) &&
(a.BuiltInTypeKind == BuiltInTypeKind.ComplexType || a.BuiltInTypeKind == BuiltInTypeKind.EntityType)
select a;
bool hasInheritance = (null != q.FirstOrDefault());
CreateConstructors(typeDecl, needTypeMapper, hasInheritance);
// adding partial OnContextCreated method
CreateContextPartialMethods(typeDecl);
if (needTypeMapper || hasInheritance)
{
CreateTypeMappingMethods(typeDecl, needTypeMapper, hasInheritance);
}
foreach (EntitySetBase entitySetBase in Item.BaseEntitySets)
{
if (Helper.IsEntitySet(entitySetBase))
{
EntitySet set = (EntitySet)entitySetBase;
CodeMemberProperty codeProperty = CreateEntitySetProperty(set);
typeDecl.Members.Add(codeProperty);
CodeMemberField codeField = CreateEntitySetField(set);
typeDecl.Members.Add(codeField);
}
}
foreach (EntitySetBase entitySetBase in Item.BaseEntitySets)
{
if (Helper.IsEntitySet(entitySetBase))
{
EntitySet set = (EntitySet)entitySetBase;
CodeMemberMethod codeProperty = CreateEntitySetAddObjectMethod(set);
typeDecl.Members.Add(codeProperty);
}
}
// additional members, if provided by the event subscriber
AddMembers(Item.Name, typeDecl, eventArgs.AdditionalMembers);
CodeTypeDeclarationCollection typeDecls = new CodeTypeDeclarationCollection();
typeDecls.Add(typeDecl);
return(typeDecls);
}
