/// <summary>
/// Generates a domain method on the domain service.
/// </summary>
/// <param name="domainMethod">The domain method to generate code for.</param>
private void GenerateDomainOperationEntry(DomainOperationEntry domainMethod)
{
// ----------------------------------------------------------------
// Method decl
// ----------------------------------------------------------------
CodeMemberMethod method = new CodeMemberMethod();
method.Name = domainMethod.Name;
method.Attributes = MemberAttributes.Public | MemberAttributes.Final;
// ----------------------------------------------------------------
// generate domain method body:
// entity.<methodName>(params);
// ----------------------------------------------------------------
List <CodeExpression> invokeParams = new List <CodeExpression>();
// The domain method parameter list is the same as the domain operation entries.
DomainOperationParameter[] paramInfos = domainMethod.Parameters.ToArray();
// Generate the <summary> and <param> doc comments
string comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_DomainClient_Custom_Method_Summary_Comment, domainMethod.Name, domainMethod.AssociatedType.Name);
method.Comments.AddRange(CodeGenUtilities.GenerateSummaryCodeComment(comment, this.ClientProxyGenerator.IsCSharp));
// Generate <param> doc comment for all the parameters
// The first param is the entity
comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_DomainContext_Custom_Method_Entity_Parameter_Comment, domainMethod.AssociatedType.Name);
method.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment(paramInfos[0].Name, comment, this.ClientProxyGenerator.IsCSharp));
// All subsequent params
for (int i = 1; i < paramInfos.Length; ++i)
{
comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_DomainContext_Custom_Method_Parameter_Comment, paramInfos[i].Name);
method.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment(paramInfos[i].Name, comment, this.ClientProxyGenerator.IsCSharp));
}
// Create an expression for each parameter
for (int i = 0; i < paramInfos.Length; i++)
{
DomainOperationParameter paramInfo = paramInfos[i];
// build up the method parameter signature from the DomainOperationEntry.MethodInfo
CodeParameterDeclarationExpression paramDecl = new CodeParameterDeclarationExpression(
CodeGenUtilities.GetTypeReference(
CodeGenUtilities.TranslateType(paramInfo.ParameterType),
this.ClientProxyGenerator,
this._proxyClass),
paramInfo.Name);
method.Parameters.Add(paramDecl);
// Skip the entity parameter.
if (i > 0)
{
// build up the invoke call parameters
invokeParams.Add(new CodeVariableReferenceExpression(paramInfo.Name));
}
}
method.Statements.Add(
new CodeExpressionStatement(
new CodeMethodInvokeExpression(
new CodeVariableReferenceExpression(paramInfos[0].Name), domainMethod.Name, invokeParams.ToArray())));
this._proxyClass.Members.Add(method);
}
private void GenerateEntityQueryMethod(DomainOperationEntry domainOperationEntry)
{
string queryMethodName = domainOperationEntry.Name + QuerySuffix;
Type entityType = TypeUtility.GetElementType(domainOperationEntry.ReturnType);
CodeMemberMethod queryMethod = new CodeMemberMethod();
queryMethod.Name = queryMethodName;
queryMethod.Attributes = MemberAttributes.Public | MemberAttributes.Final; // Final needed, else becomes virtual
queryMethod.ReturnType = CodeGenUtilities.GetTypeReference(TypeConstants.EntityQueryTypeFullName, this._domainServiceDescription.DomainServiceType.Namespace, false);
queryMethod.ReturnType.TypeArguments.Add(CodeGenUtilities.GetTypeReference(entityType.FullName, this._domainServiceDescription.DomainServiceType.Namespace, true));
DomainOperationParameter[] domainOperationEntryParameters = domainOperationEntry.Parameters.ToArray();
// Generate <summary> doc comment
string comment = string.Format(CultureInfo.CurrentCulture, Resource.EntityCodeGen_ConstructorComments_Summary_DomainContext, entityType.Name, domainOperationEntry.Name);
queryMethod.Comments.AddRange(CodeGenUtilities.GenerateSummaryCodeComment(comment, this.ClientProxyGenerator.IsCSharp));
// Generate <param> doc comments
foreach (DomainOperationParameter paramInfo in domainOperationEntryParameters)
{
comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_Query_Method_Parameter_Comment, paramInfo.Name);
queryMethod.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment(paramInfo.Name, comment, this.ClientProxyGenerator.IsCSharp));
}
// Generate <returns> doc comments
comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_Query_Method_Returns_Comment, domainOperationEntry.AssociatedType.Name);
queryMethod.Comments.AddRange(CodeGenUtilities.GenerateReturnsCodeComment(comment, this.ClientProxyGenerator.IsCSharp));
// Propagate custom validation attributes
IEnumerable <Attribute> methodAttributes = domainOperationEntry.Attributes.Cast <Attribute>();
CustomAttributeGenerator.GenerateCustomAttributes(
this.ClientProxyGenerator,
this._proxyClass,
ex => string.Format(CultureInfo.CurrentCulture, Resource.ClientCodeGen_Attribute_ThrewException_CodeMethod, ex.Message, queryMethod.Name, this._proxyClass.Name, ex.InnerException.Message),
methodAttributes,
queryMethod.CustomAttributes,
queryMethod.Comments);
// add any domain operation entry parameters first
CodeVariableReferenceExpression paramsRef = new CodeVariableReferenceExpression("parameters");
if (domainOperationEntryParameters.Length > 0)
{
// need to generate the user parameters dictionary
CodeTypeReference dictionaryTypeReference = CodeGenUtilities.GetTypeReference(
typeof(Dictionary <string, object>),
this.ClientProxyGenerator,
this._proxyClass);
CodeVariableDeclarationStatement paramsDef = new CodeVariableDeclarationStatement(
dictionaryTypeReference,
"parameters",
new CodeObjectCreateExpression(dictionaryTypeReference, new CodeExpression[0]));
queryMethod.Statements.Add(paramsDef);
}
foreach (DomainOperationParameter paramInfo in domainOperationEntryParameters)
{
CodeParameterDeclarationExpression paramDecl = new CodeParameterDeclarationExpression(
CodeGenUtilities.GetTypeReference(
CodeGenUtilities.TranslateType(paramInfo.ParameterType),
this.ClientProxyGenerator,
this._proxyClass),
paramInfo.Name);
// Propagate parameter level validation attributes
IEnumerable <Attribute> paramAttributes = paramInfo.Attributes.Cast <Attribute>();
string commentHeader =
string.Format(
CultureInfo.CurrentCulture,
Resource.ClientCodeGen_Attribute_Parameter_FailedToGenerate,
paramInfo.Name);
CustomAttributeGenerator.GenerateCustomAttributes(
this.ClientProxyGenerator,
this._proxyClass,
ex => string.Format(CultureInfo.CurrentCulture, Resource.ClientCodeGen_Attribute_ThrewException_CodeMethodParameter, ex.Message, paramDecl.Name, queryMethod.Name, this._proxyClass.Name, ex.InnerException.Message),
paramAttributes,
paramDecl.CustomAttributes,
queryMethod.Comments,
commentHeader);
// add the parameter to the query method
queryMethod.Parameters.Add(paramDecl);
// add the parameter and value to the params dictionary
queryMethod.Statements.Add(new CodeMethodInvokeExpression(
new CodeMethodReferenceExpression(paramsRef, "Add"),
new CodePrimitiveExpression(paramInfo.Name),
new CodeVariableReferenceExpression(paramInfo.Name)));
}
// add argument for queryName
CodeExpressionCollection arguments = new CodeExpressionCollection();
arguments.Add(new CodePrimitiveExpression(domainOperationEntry.Name));
// add argument for parameters
if (domainOperationEntryParameters.Length > 0)
{
arguments.Add(paramsRef);
}
else
{
arguments.Add(new CodePrimitiveExpression(null));
}
// add argument for hasSideEffects
QueryAttribute queryAttribute = (QueryAttribute)domainOperationEntry.OperationAttribute;
arguments.Add(new CodePrimitiveExpression(queryAttribute.HasSideEffects));
// add argument for isComposable
arguments.Add(new CodePrimitiveExpression(queryAttribute.IsComposable));
// this.ValidateMethod("methodName", parameters);
CodeExpression paramsExpr = new CodePrimitiveExpression(null);
if (domainOperationEntryParameters.Length > 0)
{
paramsExpr = paramsRef;
}
CodeExpressionStatement validateMethodCall = new CodeExpressionStatement(
new CodeMethodInvokeExpression(
new CodeThisReferenceExpression(),
"ValidateMethod",
new CodeExpression[]
{
new CodePrimitiveExpression(queryMethodName),
paramsExpr
}));
queryMethod.Statements.Add(validateMethodCall);
// ----------------------------------------------------------------
// method call: base.CreateQuery(arguments...)
// ----------------------------------------------------------------
CodeTypeReference entityTypeRef = CodeGenUtilities.GetTypeReference(entityType.FullName, this._domainServiceDescription.DomainServiceType.Namespace, true);
CodeMethodReferenceExpression createQueryMethod = new CodeMethodReferenceExpression(new CodeBaseReferenceExpression(), "CreateQuery", entityTypeRef);
CodeMethodReturnStatement createQueryCall = new CodeMethodReturnStatement(new CodeMethodInvokeExpression(createQueryMethod, arguments.Cast <CodeExpression>().ToArray()));
queryMethod.Statements.Add(createQueryCall);
this._proxyClass.Members.Add(queryMethod);
}
/// <summary>
/// Generates a (potentially multi-line) Xml doc comment for a Summary element.
/// </summary>
/// <param name="comment">The formatted string to embed within a Summary element. If it contains line breaks, it will become multiple comments.</param>
/// <param name="isCSharp">Whether or not the doc comment is for C#.</param>
/// <returns>The collection of generated Xml doc comments.</returns>
internal static CodeCommentStatementCollection GenerateSummaryCodeComment(string comment, bool isCSharp)
{
System.Diagnostics.Debug.Assert(!string.IsNullOrEmpty(comment), "comment cannot be empty");
return(CodeGenUtilities.GetDocComments("<summary>" + Environment.NewLine + comment + Environment.NewLine + "</summary>", isCSharp));
}
/// <summary>
/// Generates a (potentially multi-line) Xml doc comment for a Returns element.
/// </summary>
/// <param name="comment">The formatted string to embed in the Returns element.</param>
/// <param name="isCSharp">Whether or not the doc comment is for C#.</param>
/// <returns>The collection of generated Xml doc comments.</returns>
internal static CodeCommentStatementCollection GenerateReturnsCodeComment(string comment, bool isCSharp)
{
System.Diagnostics.Debug.Assert(!string.IsNullOrEmpty(comment), "comment cannot be empty");
return(CodeGenUtilities.GetDocComments("<returns>" + comment + "</returns>", isCSharp));
}
/// <summary>
/// Gets a <see cref="CodeTypeReference"/> for a CLR type.
/// </summary>
/// <param name="type">A CLR type.</param>
/// <param name="codeGenerator">A <see cref="CodeDomClientCodeGenerator"/>.</param>
/// <param name="referencingType">The referencing type.</param>
/// <param name="optimizeAttributeName">Indicates whether or not to optimize <see cref="Attribute"/> names by removing the "Attribute" suffix.</param>
/// <param name="forceUseFullyQualifiedName">Indicates whether or not to generate the type using the fully qualified name irrespective the global setting.</param>
/// <returns>A <see cref="CodeTypeReference"/> for a CLR type.</returns>
internal static CodeTypeReference GetTypeReference(Type type, CodeDomClientCodeGenerator codeGenerator, CodeTypeDeclaration referencingType, bool optimizeAttributeName, bool forceUseFullyQualifiedName)
{
string typeName = type.Name;
string typeNamespace = type.Namespace;
// Add an import statement to the referencing type if needed
CodeNamespace ns = codeGenerator.GetNamespace(referencingType);
CodeTypeReference codeTypeReference = null;
// Attribute? If so, we special case these and remove the 'Attribute' suffix if present.
if (optimizeAttributeName)
{
typeName = OptimizeAttributeName(type);
}
// Determine if we should generate this type with a full type name
bool useFullyQualifiedName = forceUseFullyQualifiedName || CodeGenUtilities.useFullTypeNames || RegisterTypeName(typeNamespace, typeName, ns.Name);
// Make sure we take into account root namespace in VB codegen.
typeNamespace = TranslateNamespace(type, codeGenerator);
// Conditionally add an import statement. Skip this step if we need to generate a full
// type name, if we're already in the target namespace, or if the type is in the global namespace.
if (!useFullyQualifiedName && !ns.Name.Equals(type.Namespace) && !string.IsNullOrEmpty(type.Namespace))
{
// If the namespace is already imported, the following line will be a no-op.
ns.Imports.Add(new CodeNamespaceImport(typeNamespace));
}
// If forced using Fully Qualified names, dont look up or store the code reference in the cache. That is because,
// we force the use of fully qualified names only in certain cases. Caching at this time will cause the fully qualified name
// to be used every time.
bool useCache = !forceUseFullyQualifiedName;
// See if we already have a reference for this type
Tuple <CodeNamespace, Type> tupleKey = new Tuple <CodeNamespace, Type>(ns, type);
if (!useCache || !CodeGenUtilities.codeTypeReferences.TryGetValue(tupleKey, out codeTypeReference))
{
if (useFullyQualifiedName && !string.IsNullOrEmpty(typeNamespace))
{
// While this splicing may seem awkward, we perform this task
// rather than rely on 'type.FullName' as we may have performed
// a VB root namespace translation task above.
typeName = typeNamespace + "." + typeName;
}
// If not, create a new type reference. Use the constructor for CodeTypeReference
// that takes a type's name rather than type to generate short names.
if (type.IsArray)
{
codeTypeReference = new CodeTypeReference(
CodeGenUtilities.GetTypeReference(type.GetElementType(), codeGenerator, referencingType, /* optimizeAttributeName */ false, forceUseFullyQualifiedName),
type.GetArrayRank());
}
else if (type.IsGenericType)
{
Type[] genericArguments = type.GetGenericArguments();
CodeTypeReference[] typeArguments = new CodeTypeReference[genericArguments.Length];
for (int i = 0; i < genericArguments.Length; i++)
{
typeArguments[i] = GetTypeReference(genericArguments[i], codeGenerator, referencingType);
}
codeTypeReference = new CodeTypeReference(typeName, typeArguments);
}
else
{
// Generate language-specific shorthands for core types by using CodeTypeReference constructor that takes a Type
if (type.IsPrimitive || type == typeof(void) || type == typeof(decimal) || type == typeof(string) || type == typeof(object))
{
codeTypeReference = new CodeTypeReference(type);
}
else
{
codeTypeReference = new CodeTypeReference(typeName);
}
}
// Keep track of the CLR type for identification purposes.
codeTypeReference.UserData["ClrType"] = type;
// Cache for later use.
if (useCache)
{
CodeGenUtilities.codeTypeReferences.Add(tupleKey, codeTypeReference);
}
}
return(codeTypeReference);
}
/// <summary>
/// Creates a new <see cref="CodeTypeDeclaration"/> that is the generated form of
/// the given <paramref name="enumType"/>.
/// </summary>
/// <param name="enumType">The enum type to generate.</param>
/// <param name="codeGenerator">The current proxy generator context.</param>
/// <returns>The newly generated enum type declaration.</returns>
internal static CodeTypeDeclaration CreateEnumTypeDeclaration(Type enumType, CodeDomClientCodeGenerator codeGenerator)
{
System.Diagnostics.Debug.Assert(enumType.IsEnum, "Type must be an enum type");
CodeTypeDeclaration typeDecl = CodeGenUtilities.CreateTypeDeclaration(enumType);
typeDecl.IsEnum = true;
// Always force generated enums to be public
typeDecl.TypeAttributes |= TypeAttributes.Public;
// Enums deriving from anything but int get an explicit base type
Type underlyingType = enumType.GetEnumUnderlyingType();
if (underlyingType != typeof(int))
{
typeDecl.BaseTypes.Add(new CodeTypeReference(underlyingType));
}
typeDecl.Comments.AddRange(CodeGenUtilities.GenerateSummaryCodeComment($"Enum {enumType.Name}", codeGenerator.IsCSharp));
// Generate [DataContract] if it appears in the original only. Use Reflection only because that matches
// what WCF will do.
DataContractAttribute dataContractAttr = (DataContractAttribute)Attribute.GetCustomAttribute(enumType, typeof(DataContractAttribute));
if (dataContractAttr != null)
{
CodeAttributeDeclaration attrDecl = CodeGenUtilities.CreateDataContractAttributeDeclaration(enumType, codeGenerator, typeDecl);
typeDecl.CustomAttributes.Add(attrDecl);
}
string[] memberNames = Enum.GetNames(enumType);
Type enumValueType = Enum.GetUnderlyingType(enumType);
for (int i = 0; i < memberNames.Length; ++i)
{
string memberName = memberNames[i];
CodeTypeReference enumTypeRef = CodeGenUtilities.GetTypeReference(enumValueType, codeGenerator, typeDecl);
CodeMemberField enumMember = new CodeMemberField(enumTypeRef, memberName);
enumMember.Comments.AddRange(CodeGenUtilities.GenerateSummaryCodeComment(memberName, codeGenerator.IsCSharp));
// Generate an initializer for the enum member.
// GetRawConstantValue is the safest way to get the raw value of the enum field
// and works for both Reflection and ReflectionOnly loaded assemblies.
FieldInfo fieldInfo = enumType.GetField(memberName);
if (fieldInfo != null)
{
object memberValue = fieldInfo.GetRawConstantValue();
Debug.Assert(memberValue != null, "Enum type's GetRawConstantValue should never return null");
// We special-case MinValue and MaxValue for the integral types
// because VisualBasic will generate overflow compiler error for
// Int64.MinValue. If we detect a known MinValue or MaxValue for
// this integral type, we generate that reference, otherwise we
// just generate a constant integral value of the enum's type
object[] minMaxValues = null;
CodeGenUtilities.integralMinMaxValues.TryGetValue(underlyingType, out minMaxValues);
Debug.Assert(minMaxValues == null || minMaxValues.Length == 3, "integralMinMaxValues elements must always contain 3 values");
// Gen xxx.MinValue if it matches, but give precedence to matching a true zero,
// which is the min value for the unsigned integral types
// minMaxValues[0]: the MinValue for this type
// minMaxValues[1]: the MaxValue for this type
// minMaxValues[2]: the zero for this type (memberValue is not boxed and cannot be cast)
if (minMaxValues != null && !memberValue.Equals(minMaxValues[2]) && memberValue.Equals(minMaxValues[0]))
{
enumMember.InitExpression = new CodeFieldReferenceExpression(new CodeTypeReferenceExpression(underlyingType), "MinValue");
}
// Gen xxx.MaxValue if it matches
else if (minMaxValues != null && memberValue.Equals(minMaxValues[1]))
{
enumMember.InitExpression = new CodeFieldReferenceExpression(new CodeTypeReferenceExpression(underlyingType), "MaxValue");
}
// All other cases generate an integral constant.
// CodeDom knows how to generate the right integral constant based on memberValue's type.
else
{
enumMember.InitExpression = new CodePrimitiveExpression(memberValue);
}
}
typeDecl.Members.Add(enumMember);
// Generate an [EnumMember] if appropriate
EnumMemberAttribute enumMemberAttr = (EnumMemberAttribute)Attribute.GetCustomAttribute(fieldInfo, typeof(EnumMemberAttribute));
if (enumMemberAttr != null)
{
CodeAttributeDeclaration enumAttrDecl = CodeGenUtilities.CreateEnumMemberAttributeDeclaration(fieldInfo, codeGenerator, typeDecl);
enumMember.CustomAttributes.Add(enumAttrDecl);
}
// Propagate any other attributes that can be seen by the client
CustomAttributeGenerator.GenerateCustomAttributes(
codeGenerator,
typeDecl,
ex => string.Format(CultureInfo.CurrentCulture, Resource.ClientCodeGen_Attribute_ThrewException_CodeTypeMember, ex.Message, fieldInfo.Name, typeDecl.Name, ex.InnerException.Message),
fieldInfo.GetCustomAttributes(false).Cast <Attribute>().Where(a => a.GetType() != typeof(EnumMemberAttribute)),
enumMember.CustomAttributes,
enumMember.Comments);
}
// Attributes marked with [Flag] propagate it
if (enumType.GetCustomAttributes(typeof(FlagsAttribute), false).Length > 0)
{
CodeAttributeDeclaration attrDecl = CodeGenUtilities.CreateAttributeDeclaration(typeof(FlagsAttribute), codeGenerator, typeDecl);
typeDecl.CustomAttributes.Add(attrDecl);
}
return(typeDecl);
}
private void GenerateContractSubmitChangesMethod(CodeTypeDeclaration contractInterface)
{
string domainServiceName = this._domainServiceDescription.DomainServiceType.Name;
// -----------------------------------------------------------------------
// IAsyncResult BeginSubmitChanges(IEnumerable<EntityOperation> changeSet, AsyncCallback callback, object asyncState)
// -----------------------------------------------------------------------
CodeMemberMethod beginQueryMethod = new CodeMemberMethod();
beginQueryMethod.Name = "BeginSubmitChanges";
beginQueryMethod.ReturnType = CodeGenUtilities.GetTypeReference(typeof(IAsyncResult), this.ClientProxyGenerator, contractInterface);
contractInterface.Members.Add(beginQueryMethod);
// Generate <summary> doc comment for the Begin method
string comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_DomainContext_ServiceContract_Begin_Method_Summary_Comment, "SubmitChanges");
beginQueryMethod.Comments.AddRange(CodeGenUtilities.GenerateSummaryCodeComment(comment, this.ClientProxyGenerator.IsCSharp));
// <param> for callback and asyncState
beginQueryMethod.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment("changeSet", Resource.CodeGen_DomainContext_ServiceContract_Begin_SubmitMethod_Changeset_Parameter_Comment, this.ClientProxyGenerator.IsCSharp));
beginQueryMethod.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment("callback", Resource.CodeGen_DomainContext_ServiceContract_Begin_Method_Callback_Parameter_Comment, this.ClientProxyGenerator.IsCSharp));
beginQueryMethod.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment("asyncState", Resource.CodeGen_DomainContext_ServiceContract_Begin_Method_AsyncState_Parameter_Comment, this.ClientProxyGenerator.IsCSharp));
// Generate <returns> doc comment
beginQueryMethod.Comments.AddRange(CodeGenUtilities.GenerateReturnsCodeComment(Resource.CodeGen_DomainContext_ServiceContract_Begin_Method_Returns_Comment, this.ClientProxyGenerator.IsCSharp));
this.GenerateContractMethodAttributes(contractInterface, beginQueryMethod, domainServiceName, "SubmitChanges");
CodeTypeReference enumTypeRef = CodeGenUtilities.GetTypeReference(TypeConstants.IEnumerableFullName, contractInterface.UserData["Namespace"] as string, false);
enumTypeRef.TypeArguments.Add(CodeGenUtilities.GetTypeReference(TypeConstants.ChangeSetEntryTypeFullName, contractInterface.UserData["Namespace"] as string, false));
beginQueryMethod.Parameters.Add(
new CodeParameterDeclarationExpression(
enumTypeRef,
"changeSet"));
beginQueryMethod.Parameters.Add(
new CodeParameterDeclarationExpression(
CodeGenUtilities.GetTypeReference(typeof(AsyncCallback), this.ClientProxyGenerator, contractInterface),
"callback"));
beginQueryMethod.Parameters.Add(
new CodeParameterDeclarationExpression(
CodeGenUtilities.GetTypeReference(typeof(object), this.ClientProxyGenerator, contractInterface),
"asyncState"));
// -----------------------------------------------------------------------
// IEnumerable<EntityOperation> EndSubmitChanges(IAsyncResult result)
// -----------------------------------------------------------------------
CodeTypeReference resultTypeRef = CodeGenUtilities.GetTypeReference(TypeConstants.DomainServiceFaultFullName, contractInterface.UserData["Namespace"] as string, false);
resultTypeRef.TypeArguments.Add(CodeGenUtilities.GetTypeReference(TypeConstants.ChangeSetEntryTypeFullName, contractInterface.UserData["Namespace"] as string, false));
CodeMemberMethod endQueryMethod = new CodeMemberMethod();
endQueryMethod.Name = "EndSubmitChanges";
endQueryMethod.ReturnType = enumTypeRef;
contractInterface.Members.Add(endQueryMethod);
// Generate <summary> doc comment for the End method
comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_DomainContext_ServiceContract_End_Method_Summary_Comment, "BeginSubmitChanges");
endQueryMethod.Comments.AddRange(CodeGenUtilities.GenerateSummaryCodeComment(comment, this.ClientProxyGenerator.IsCSharp));
// Generate <param> doc comment for the IAsyncResult parameter
comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_DomainContext_ServiceContract_End_Method_Parameter_Comment, "BeginSubmitChanges");
endQueryMethod.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment("result", comment, this.ClientProxyGenerator.IsCSharp));
// Generate <returns> doc comment
endQueryMethod.Comments.AddRange(CodeGenUtilities.GenerateReturnsCodeComment(Resource.CodeGen_DomainContext_ServiceContract_End_SubmitMethod_Returns_Comment, this.ClientProxyGenerator.IsCSharp));
endQueryMethod.Parameters.Add(
new CodeParameterDeclarationExpression(
CodeGenUtilities.GetTypeReference(typeof(IAsyncResult), this.ClientProxyGenerator, contractInterface),
"result"));
}
private void GenerateContractMethod(CodeTypeDeclaration contractInterface, DomainOperationEntry operation)
{
string domainServiceName = this._domainServiceDescription.DomainServiceType.Name;
CodeMemberMethod beginMethod = new CodeMemberMethod();
beginMethod.Name = "Begin" + operation.Name;
beginMethod.ReturnType = CodeGenUtilities.GetTypeReference(typeof(IAsyncResult), this.ClientProxyGenerator, contractInterface);
contractInterface.Members.Add(beginMethod);
// Generate <summary> doc comment for the Begin method
string comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_DomainContext_ServiceContract_Begin_Method_Summary_Comment, operation.Name);
beginMethod.Comments.AddRange(CodeGenUtilities.GenerateSummaryCodeComment(comment, this.ClientProxyGenerator.IsCSharp));
// Generate <param> doc comment for all the parameters
foreach (DomainOperationParameter parameter in operation.Parameters)
{
comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_DomainContext_ServiceContract_Begin_Method_Parameter_Comment, parameter.Name);
beginMethod.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment(parameter.Name, comment, this.ClientProxyGenerator.IsCSharp));
}
// <param> for callback and asyncState
beginMethod.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment("callback", Resource.CodeGen_DomainContext_ServiceContract_Begin_Method_Callback_Parameter_Comment, this.ClientProxyGenerator.IsCSharp));
beginMethod.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment("asyncState", Resource.CodeGen_DomainContext_ServiceContract_Begin_Method_AsyncState_Parameter_Comment, this.ClientProxyGenerator.IsCSharp));
// Generate <returns> doc comment
beginMethod.Comments.AddRange(CodeGenUtilities.GenerateReturnsCodeComment(Resource.CodeGen_DomainContext_ServiceContract_Begin_Method_Returns_Comment, this.ClientProxyGenerator.IsCSharp));
this.GenerateContractMethodAttributes(contractInterface, beginMethod, domainServiceName, operation.Name);
foreach (DomainOperationParameter parameter in operation.Parameters)
{
beginMethod.Parameters.Add(
new CodeParameterDeclarationExpression(
CodeGenUtilities.GetTypeReference(CodeGenUtilities.TranslateType(parameter.ParameterType), this.ClientProxyGenerator, contractInterface),
parameter.Name));
}
beginMethod.Parameters.Add(
new CodeParameterDeclarationExpression(
CodeGenUtilities.GetTypeReference(typeof(AsyncCallback), this.ClientProxyGenerator, contractInterface),
"callback"));
beginMethod.Parameters.Add(
new CodeParameterDeclarationExpression(
CodeGenUtilities.GetTypeReference(typeof(object), this.ClientProxyGenerator, contractInterface),
"asyncState"));
CodeMemberMethod endMethod = new CodeMemberMethod();
endMethod.Name = "End" + operation.Name;
bool hasSideEffects = true;
string returnTypeName = null;
if (operation.Operation == DomainOperation.Query)
{
hasSideEffects = ((QueryAttribute)operation.OperationAttribute).HasSideEffects;
returnTypeName = "QueryResult";
if (operation.ReturnType == typeof(void))
{
endMethod.ReturnType = CodeGenUtilities.GetTypeReference(TypeConstants.QueryResultFullName, contractInterface.UserData["Namespace"] as string, false);
}
else
{
endMethod.ReturnType = CodeGenUtilities.GetTypeReference(TypeConstants.QueryResultFullName, contractInterface.UserData["Namespace"] as string, false);
endMethod.ReturnType.TypeArguments.Add(CodeGenUtilities.GetTypeReference(CodeGenUtilities.TranslateType(operation.AssociatedType), this.ClientProxyGenerator, contractInterface));
}
}
else
{
if (operation.Operation == DomainOperation.Invoke)
{
hasSideEffects = ((InvokeAttribute)operation.OperationAttribute).HasSideEffects;
}
returnTypeName = CodeGenUtilities.TranslateType(operation.ReturnType).Name;
endMethod.ReturnType = CodeGenUtilities.GetTypeReference(CodeGenUtilities.TranslateType(operation.ReturnType), this.ClientProxyGenerator, contractInterface, false);
}
// Generate [HasSideEffects(...)].
beginMethod.CustomAttributes.Add(new CodeAttributeDeclaration(CodeGenUtilities.GetTypeReference(TypeConstants.HasSideEffectsFullName, contractInterface.UserData["Namespace"] as string, false),
new CodeAttributeArgument(new CodePrimitiveExpression(hasSideEffects))));
// Generate <summary> doc comment for the End method
comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_DomainContext_ServiceContract_End_Method_Summary_Comment, beginMethod.Name);
endMethod.Comments.AddRange(CodeGenUtilities.GenerateSummaryCodeComment(comment, this.ClientProxyGenerator.IsCSharp));
// Generate <param> doc comment for the IAsyncResult parameter
comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_DomainContext_ServiceContract_End_Method_Parameter_Comment, beginMethod.Name);
endMethod.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment("result", comment, this.ClientProxyGenerator.IsCSharp));
// Generate <returns> doc comment
if (operation.ReturnType != typeof(void))
{
comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_DomainContext_ServiceContract_End_Method_Returns_Comment, returnTypeName, operation.Name);
endMethod.Comments.AddRange(CodeGenUtilities.GenerateReturnsCodeComment(comment, this.ClientProxyGenerator.IsCSharp));
}
contractInterface.Members.Add(endMethod);
endMethod.Parameters.Add(
new CodeParameterDeclarationExpression(
CodeGenUtilities.GetTypeReference(typeof(IAsyncResult), this.ClientProxyGenerator, contractInterface),
"result"));
}
/// <summary>
/// Generates the client proxy code for a domain service.
/// </summary>
public override void Generate()
{
// ----------------------------------------------------------------
// Namespace
// ----------------------------------------------------------------
Type domainServiceType = this._domainServiceDescription.DomainServiceType;
CodeNamespace ns = this.ClientProxyGenerator.GetOrGenNamespace(domainServiceType);
AttributeCollection attributes = this._domainServiceDescription.Attributes;
// Missing namespace bails out of code-gen -- error has been logged
if (ns == null)
{
return;
}
// ----------------------------------------------------------------
// public partial sealed class {Name} : DomainContext
// ----------------------------------------------------------------
string clientTypeName = DomainContextTypeName(this._domainServiceDescription);
CodeTypeDeclaration proxyClass = CodeGenUtilities.CreateTypeDeclaration(clientTypeName, domainServiceType.Namespace);
proxyClass.IsPartial = true;
proxyClass.TypeAttributes = TypeAttributes.Public | TypeAttributes.Sealed;
ns.Types.Add(proxyClass);
CodeTypeReference domainContextTypeName = CodeGenUtilities.GetTypeReference(TypeConstants.DomainContextTypeFullName, ns.Name, false);
proxyClass.BaseTypes.Add(domainContextTypeName);
// Add <summary> xml comment to class
string comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_DomainContext_Class_Summary_Comment, domainServiceType.Name);
proxyClass.Comments.AddRange(CodeGenUtilities.GenerateSummaryCodeComment(comment, this.ClientProxyGenerator.IsCSharp));
// ----------------------------------------------------------------
// [DomainIdentifier], etc attributes move through metadata pipeline
// ----------------------------------------------------------------
CustomAttributeGenerator.GenerateCustomAttributes(
this.ClientProxyGenerator,
proxyClass,
ex => string.Format(CultureInfo.CurrentCulture, Resource.ClientCodeGen_Attribute_ThrewException_CodeType, ex.Message, proxyClass.Name, ex.InnerException.Message),
attributes.Cast <Attribute>(),
proxyClass.CustomAttributes,
proxyClass.Comments);
// ----------------------------------------------------------------
// Add default OnCreated partial method
// ----------------------------------------------------------------
NotificationMethodGenerator notificationMethodGen = new NotificationMethodGenerator(this.ClientProxyGenerator);
proxyClass.Members.AddRange(notificationMethodGen.PartialMethodsSnippetBlock);
// ----------------------------------------------------------------
// Generate a contract interface for the service.
// ----------------------------------------------------------------
CodeTypeDeclaration contractInterface = this.GenerateContract(proxyClass);
// ----------------------------------------------------------------
// Generate constructors
// ----------------------------------------------------------------
EnableClientAccessAttribute enableClientAccessAttribute = attributes.OfType <EnableClientAccessAttribute>().Single();
this.GenerateConstructors(proxyClass, contractInterface, enableClientAccessAttribute, notificationMethodGen.OnCreatedMethodInvokeExpression);
// ----------------------------------------------------------------
// Separate proxies for each domain operation entry
// ----------------------------------------------------------------
DomainOperationEntryProxyGenerator methodProxyGenerator = new DomainOperationEntryProxyGenerator(this.ClientProxyGenerator, proxyClass, this._domainServiceDescription);
methodProxyGenerator.Generate();
// ----------------------------------------------------------------
// Invoke operations
// ----------------------------------------------------------------
InvokeOperationProxyGenerator invokeOperationProxyGenerator = new InvokeOperationProxyGenerator(this.ClientProxyGenerator, proxyClass, this._domainServiceDescription);
invokeOperationProxyGenerator.Generate();
// ----------------------------------------------------------------
// EntityContainer instantiation
// ----------------------------------------------------------------
// The entity container holds a collection of EntityLists, one per visible entity root type.
// The derived entity types are stored in their respective root's list and do not get their own.
this.GenEntityContainer(proxyClass, this._domainServiceDescription.RootEntityTypes, this._domainServiceDescription);
// Register created CodeTypeDeclaration with mapping
this._typeMapping[domainServiceType] = proxyClass;
}
private void GenerateConstructors(CodeTypeDeclaration proxyClass, CodeTypeDeclaration contractInterface, EnableClientAccessAttribute enableClientAccessAttribute, CodeMethodInvokeExpression onCreatedExpression)
{
CodeTypeReference uriTypeRef = CodeGenUtilities.GetTypeReference(typeof(Uri), this.ClientProxyGenerator, proxyClass);
CodeTypeReference uriKindTypeRef = CodeGenUtilities.GetTypeReference(typeof(UriKind), this.ClientProxyGenerator, proxyClass);
string containingNamespace = proxyClass.UserData["Namespace"] as string;
CodeTypeReference contractTypeParameter =
CodeGenUtilities.GetTypeReference(
containingNamespace + "." + proxyClass.Name + "." + contractInterface.Name,
containingNamespace,
true);
// construct relative URI
string relativeServiceUri = string.Format(CultureInfo.InvariantCulture, "{0}.svc", this._domainServiceDescription.DomainServiceType.FullName.Replace('.', '-'));
CodeExpression relativeUriExpression = new CodeObjectCreateExpression(
uriTypeRef,
new CodePrimitiveExpression(relativeServiceUri),
new CodePropertyReferenceExpression(new CodeTypeReferenceExpression(uriKindTypeRef), "Relative"));
// ----------------------------------------------------------------
// Default ctor decl (using relative URI)
// ----------------------------------------------------------------
// ctor parameters
List <CodeParameterDeclarationExpression> ctorParams = null;
// base params
List <CodeExpression> baseParams = new List <CodeExpression>(1);
baseParams.Add(relativeUriExpression);
// add <summary> doc comments
string comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_Default_Constructor_Summary_Comments, proxyClass.Name);
CodeCommentStatementCollection comments = CodeGenUtilities.GenerateSummaryCodeComment(comment, this.ClientProxyGenerator.IsCSharp);
// <comments>...</comments>
// public .ctor() : this(new Uri("Foo-Bar.svc", UriKind.Relative))
GenerateConstructor(proxyClass, ctorParams, baseParams, comments, false);
// ----------------------------------------------------------------
// DomainContext(System.Uri serviceUri) ctor decl
// ----------------------------------------------------------------
// ctor params
ctorParams = new List <CodeParameterDeclarationExpression>(1);
ctorParams.Add(new CodeParameterDeclarationExpression(uriTypeRef, "serviceUri"));
// add <summary> and <param> comments
comments = CodeGenUtilities.GenerateSummaryCodeComment(string.Format(CultureInfo.CurrentCulture, Resource.EntityCodeGen_ConstructorComments_Summary_ServiceUri, proxyClass.Name), this.ClientProxyGenerator.IsCSharp);
comments.AddRange(CodeGenUtilities.GenerateParamCodeComment("serviceUri", string.Format(CultureInfo.CurrentCulture, Resource.EntityCodeGen_ConstructorComments_Param_ServiceUri, this._domainServiceDescription.DomainServiceType.Name), this.ClientProxyGenerator.IsCSharp));
// <comments>...</comments>
// public .ctor(Uri serviceUri) : this(DomainContext.CreateDomainClient(typeof(TContract), serviceUri, true/false))
// ctor base parameters
baseParams = new List <CodeExpression>(1);
CodeTypeReference domainContextRef = CodeGenUtilities.GetTypeReference(TypeConstants.DomainContextTypeFullName, proxyClass.UserData["Namespace"] as string, false);
baseParams.Add(new CodeMethodInvokeExpression(
new CodeMethodReferenceExpression(new CodeTypeReferenceExpression(domainContextRef), "CreateDomainClient"),
new CodeTypeOfExpression(contractTypeParameter),
new CodeArgumentReferenceExpression("serviceUri"),
new CodePrimitiveExpression(enableClientAccessAttribute.RequiresSecureEndpoint)));
GenerateConstructor(proxyClass, ctorParams, baseParams, comments, false);
// -----------------------------------------------------------------------
// DomainContext(DomainClient domainClient) ctor decl
// -----------------------------------------------------------------------
// ctor parameters --[(DomainClient domainClient)]
ctorParams = new List <CodeParameterDeclarationExpression>(1);
ctorParams.Add(new CodeParameterDeclarationExpression(CodeGenUtilities.GetTypeReference(TypeConstants.DomainClientTypeFullName, proxyClass.UserData["Namespace"] as string, false), "domainClient"));
// parameters to invoke on base -- [: base(domainClient)]
baseParams = new List <CodeExpression>(1);
baseParams.Add(new CodeArgumentReferenceExpression("domainClient"));
// add <summary> and <param> comments
comments = CodeGenUtilities.GenerateSummaryCodeComment(string.Format(CultureInfo.CurrentCulture, Resource.EntityCodeGen_ConstructorComments_Summary_DomainClientAccumulating, proxyClass.Name), this.ClientProxyGenerator.IsCSharp);
comments.AddRange(CodeGenUtilities.GenerateParamCodeComment("domainClient", string.Format(CultureInfo.CurrentCulture, Resource.EntityCodeGen_ConstructorComments_Param_DomainClient), this.ClientProxyGenerator.IsCSharp));
// <comments>...</comments>
// public .ctor(DomainClient domainClient) : base(domainClient)]
CodeConstructor proxyCtor = GenerateConstructor(proxyClass, ctorParams, baseParams, comments, true);
proxyCtor.Statements.Add(onCreatedExpression);
}
//// TODO: we need to refactor this to comply with FxCop
private CodeTypeDeclaration GenEntityContainerInnerClass(CodeTypeDeclaration proxyClass, IEnumerable <Type> entityTypes, DomainServiceDescription domainServiceDescription)
{
// ----------------------------------------------------------------
// class xxxEntityContainer : EntityContainer
// ----------------------------------------------------------------
string containingNamespace = this.ClientProxyGenerator.GetNamespace(proxyClass).Name;
var innerClass = CodeGenUtilities.CreateTypeDeclaration(proxyClass.Name + "EntityContainer", containingNamespace);
innerClass.BaseTypes.Add(CodeGenUtilities.GetTypeReference(TypeConstants.EntityContainerTypeFullName, containingNamespace, false));
innerClass.TypeAttributes = TypeAttributes.NotPublic | TypeAttributes.Sealed;
proxyClass.Members.Add(innerClass);
// ----------------------------------------------------------------
// ctor
// ----------------------------------------------------------------
var ctor = new CodeConstructor();
ctor.Attributes = MemberAttributes.Public;
innerClass.Members.Add(ctor);
// Convert to a set for faster lookups.
HashSet <Type> entityTypesToUse = new HashSet <Type>();
foreach (Type entityType in entityTypes)
{
entityTypesToUse.Add(entityType);
}
// ----------------------------------------------------------------
// each entity type gets 'CreateEntitySet<entityType>()' statement in ctor
// ----------------------------------------------------------------
foreach (Type entityType in entityTypes.OrderBy(t => t.FullName))
{
// Skip entity types which have base classes.
if (entityTypesToUse.Any(t => t != entityType && t.IsAssignableFrom(entityType)))
{
continue;
}
// ----------------------------------------------------------------
// Build EntitySetOperations enum value
// ----------------------------------------------------------------
var enumTypeReference = CodeGenUtilities.GetTypeReference(TypeConstants.EntitySetOperationsTypeFullName, containingNamespace, false);
CodeExpression entitySetOperations = null;
// Check to see what update operations are supported, and build up the EntitySetOperations flags expression
bool canInsert = domainServiceDescription.IsOperationSupported(entityType, DomainOperation.Insert);
bool canEdit = domainServiceDescription.IsOperationSupported(entityType, DomainOperation.Update);
bool canDelete = domainServiceDescription.IsOperationSupported(entityType, DomainOperation.Delete);
CodeTypeReferenceExpression enumTypeReferenceExp = new CodeTypeReferenceExpression(enumTypeReference);
if (!canInsert && !canEdit && !canDelete)
{
// if no update operations are supported, set to 'None'
entitySetOperations = new CodeFieldReferenceExpression(enumTypeReferenceExp, "None");
}
else if (canInsert && canEdit && canDelete)
{
// if all operations are supported, set to 'All'
entitySetOperations = new CodeFieldReferenceExpression(enumTypeReferenceExp, "All");
}
else
{
if (canInsert)
{
entitySetOperations = new CodeFieldReferenceExpression(enumTypeReferenceExp, "Add");
}
if (canEdit)
{
CodeFieldReferenceExpression setOp = new CodeFieldReferenceExpression(enumTypeReferenceExp, "Edit");
if (entitySetOperations == null)
{
entitySetOperations = setOp;
}
else
{
entitySetOperations = new CodeBinaryOperatorExpression(entitySetOperations, CodeBinaryOperatorType.BitwiseOr, setOp);
}
}
if (canDelete)
{
CodeFieldReferenceExpression setOp = new CodeFieldReferenceExpression(enumTypeReferenceExp, "Remove");
if (entitySetOperations == null)
{
entitySetOperations = setOp;
}
else
{
entitySetOperations = new CodeBinaryOperatorExpression(entitySetOperations, CodeBinaryOperatorType.BitwiseOr, setOp);
}
}
}
// ----------------------------------------------------------------
// method call: this.CreateEntitySet<entityType>
// ----------------------------------------------------------------
var entityTypeReference = CodeGenUtilities.GetTypeReference(entityType, this.ClientProxyGenerator, proxyClass);
var methodRef = new CodeMethodReferenceExpression(new CodeThisReferenceExpression(), "CreateEntitySet", entityTypeReference);
var methodCall = new CodeMethodInvokeExpression(methodRef, entitySetOperations);
ctor.Statements.Add(methodCall);
}
return(innerClass);
}