private void GenerateContractServiceKnownTypes(CodeTypeDeclaration contractInterface, DomainOperationEntry operation, HashSet <Type> registeredTypes)
{
List <Attribute> knownTypeAttributes = new List <Attribute>();
foreach (DomainOperationParameter parameter in operation.Parameters)
{
Type t = CodeGenUtilities.TranslateType(parameter.ParameterType);
// All Nullable<T> types are unwrapped to the underlying non-nullable, because
// that is they type we need to represent, not typeof(Nullable<T>)
t = TypeUtility.GetNonNullableType(t);
if (TypeUtility.IsPredefinedListType(t) || TypeUtility.IsComplexTypeCollection(t))
{
Type elementType = TypeUtility.GetElementType(t);
if (elementType != null)
{
t = elementType.MakeArrayType();
}
}
// Check if the type is a simple type or already registered
if (registeredTypes.Contains(t) || !this.TypeRequiresRegistration(t))
{
continue;
}
// Record the type to prevent redundant [ServiceKnownType]'s.
// This loop executes within a larger loop over multiple
// DomainOperationEntries that may have already processed it.
registeredTypes.Add(t);
// If we determine we need to generate this enum type on the client,
// then we need to register that intent and conjure a virtual type
// here in our list of registered types to account for the fact it
// could get a different root namespace on the client.
if (t.IsEnum && this.ClientProxyGenerator.NeedToGenerateEnumType(t))
{
// Request deferred generation of the enum
this.ClientProxyGenerator.RegisterUseOfEnumType(t);
// Compose a virtual type that will reflect the correct namespace
// on the client when the [ServiceKnownType] is created.
t = new VirtualType(t.Name, CodeGenUtilities.TranslateNamespace(t, this.ClientProxyGenerator), t.Assembly, t.BaseType);
}
knownTypeAttributes.Add(new ServiceKnownTypeAttribute(t));
}
if (knownTypeAttributes.Count > 0)
{
CustomAttributeGenerator.GenerateCustomAttributes(
this.ClientProxyGenerator,
contractInterface,
knownTypeAttributes,
contractInterface.CustomAttributes,
contractInterface.Comments,
true /* force propagation, we want a compile error if these types aren't present on client */);
}
}
/// <summary>
/// Generates the client proxy code for the given type.
/// </summary>
public override void Generate()
{
// ----------------------------------------------------------------
// namespace
// ----------------------------------------------------------------
CodeNamespace ns = this.ClientProxyGenerator.GetOrGenNamespace(this.Type);
// Missing namespace bails out of code-gen -- error has been logged
if (ns == null)
{
return;
}
// ----------------------------------------------------------------
// public partial class {Type} : (Base)
// ----------------------------------------------------------------
this.ProxyClass = CodeGenUtilities.CreateTypeDeclaration(this.Type);
this.ProxyClass.IsPartial = true; // makes this a partial type
this.ProxyClass.TypeAttributes = TypeAttributes.Public;
// Abstract classes must be preserved as abstract to avoid explicit instantiation on client
bool isAbstract = (this.Type.IsAbstract);
if (isAbstract)
{
this.ProxyClass.TypeAttributes |= TypeAttributes.Abstract;
}
// Determine all types derived from this one.
// Note this list does not assume the current type is the visible root. That is a separate test.
IEnumerable <Type> derivedTypes = this.GetDerivedTypes();
// If this type doesn't have any derivatives, seal it. Cannot seal abstracts.
if (!isAbstract && !derivedTypes.Any())
{
this.ProxyClass.TypeAttributes |= TypeAttributes.Sealed;
}
// Add all base types including interfaces
this.AddBaseTypes(ns);
ns.Types.Add(this.ProxyClass);
AttributeCollection typeAttributes = this.Type.Attributes();
// Add <summary> xml comment to class
string comment = this.GetSummaryComment();
this.ProxyClass.Comments.AddRange(CodeGenUtilities.GenerateSummaryCodeComment(comment, this.ClientProxyGenerator.IsCSharp));
// ----------------------------------------------------------------
// Add default ctr
// ----------------------------------------------------------------
CodeConstructor constructor = new CodeConstructor();
// Default ctor is public for concrete types but protected for abstracts.
// This prevents direct instantiation on client
constructor.Attributes = isAbstract ? MemberAttributes.Family : MemberAttributes.Public;
// add default ctor doc comments
comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_Default_Constructor_Summary_Comments, this.Type.Name);
constructor.Comments.AddRange(CodeGenUtilities.GenerateSummaryCodeComment(comment, this.ClientProxyGenerator.IsCSharp));
// add call to default OnCreated method
constructor.Statements.Add(this.NotificationMethodGen.OnCreatedMethodInvokeExpression);
this.ProxyClass.Members.Add(constructor);
// ----------------------------------------------------------------
// [KnownType(...), ...]
// ----------------------------------------------------------------
// We need to generate a [KnownType] for all derived entities on the visible root.
if (!this.IsDerivedType)
{
// Generate a [KnownType] for every derived type.
// We specifically exclude [KnownTypes] from the set of attributes we ask
// the metadata pipeline to generate below, meaning we take total control
// here for which [KnownType] attributes get through the metadata pipeline.
//
// Note, we sort in alphabetic order to give predictability in baselines and
// client readability. For cosmetic reasons, we sort by short or long name
// depending on what our utility helpers will actually generated
foreach (Type derivedType in derivedTypes.OrderBy(t => this.ClientProxyGenerator.ClientProxyCodeGenerationOptions.UseFullTypeNames ? t.FullName : t.Name))
{
CodeAttributeDeclaration knownTypeAttrib = CodeGenUtilities.CreateAttributeDeclaration(typeof(System.Runtime.Serialization.KnownTypeAttribute), this.ClientProxyGenerator, this.ProxyClass);
knownTypeAttrib.Arguments.Add(new CodeAttributeArgument(new CodeTypeOfExpression(CodeGenUtilities.GetTypeReference(derivedType, this.ClientProxyGenerator, this.ProxyClass))));
this.ProxyClass.CustomAttributes.Add(knownTypeAttrib);
}
}
this.ValidateTypeAttributes(typeAttributes);
// ----------------------------------------------------------------
// [DataContract(Namespace=X, Name=Y)]
// ----------------------------------------------------------------
CodeAttributeDeclaration dataContractAttrib = CodeGenUtilities.CreateDataContractAttributeDeclaration(this.Type, this.ClientProxyGenerator, this.ProxyClass);
this.ProxyClass.CustomAttributes.Add(dataContractAttrib);
// ----------------------------------------------------------------
// Propagate all type-level Attributes across (except DataContractAttribute since that is handled above)
// -----------------------------------------------------------------
CustomAttributeGenerator.GenerateCustomAttributes(
this.ClientProxyGenerator,
this.ProxyClass,
ex => string.Format(CultureInfo.CurrentCulture, Resource.ClientCodeGen_Attribute_ThrewException_CodeType, ex.Message, this.ProxyClass.Name, ex.InnerException.Message),
this.FilterTypeAttributes(typeAttributes),
this.ProxyClass.CustomAttributes,
this.ProxyClass.Comments);
// ----------------------------------------------------------------
// gen proxy getter/setter for each property
// ----------------------------------------------------------------
this.GenerateProperties();
// ----------------------------------------------------------------
// gen additional methods/events
// ----------------------------------------------------------------
this.GenerateAdditionalMembers();
// Register created CodeTypeDeclaration with mapping
this._typeMapping[this.Type] = this.ProxyClass;
}
/// <summary>
/// Generates a property getter/setter pair into the given proxy class to match the given property info.
/// </summary>
/// <param name="propertyDescriptor">PropertyDescriptor for the property to generate for.</param>
protected virtual void GenerateProperty(PropertyDescriptor propertyDescriptor)
{
string propertyName = propertyDescriptor.Name;
Type propertyType = CodeGenUtilities.TranslateType(propertyDescriptor.PropertyType);
// ----------------------------------------------------------------
// Property type ref
// ----------------------------------------------------------------
var propTypeReference = CodeGenUtilities.GetTypeReference(propertyType, this.ClientProxyGenerator, this.ProxyClass);
// ----------------------------------------------------------------
// Property decl
// ----------------------------------------------------------------
var property = new CodeMemberProperty();
property.Name = propertyName;
property.Type = propTypeReference;
property.Attributes = MemberAttributes.Public | MemberAttributes.Final; // final needed, else becomes virtual
List <Attribute> propertyAttributes = propertyDescriptor.ExplicitAttributes().Cast <Attribute>().ToList();
// Generate <summary> for property
string comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_Entity_Property_Summary_Comment, propertyName);
property.Comments.AddRange(CodeGenUtilities.GenerateSummaryCodeComment(comment, this.ClientProxyGenerator.IsCSharp));
// ----------------------------------------------------------------
// [DataMember] -> Add if not already present.
// ----------------------------------------------------------------
// Add if not already present.
if (!propertyAttributes.OfType <DataMemberAttribute>().Any())
{
CodeAttributeDeclaration dataMemberAtt = CodeGenUtilities.CreateAttributeDeclaration(typeof(DataMemberAttribute), this.ClientProxyGenerator, this.ProxyClass);
property.CustomAttributes.Add(dataMemberAtt);
}
// Here, we check for the existence of [ReadOnly(true)] attributes generated when
// the property does not not have a setter. We want to inject an [Editable(false)]
// attribute into the pipeline.
ReadOnlyAttribute readOnlyAttr = propertyAttributes.OfType <ReadOnlyAttribute>().SingleOrDefault();
if (readOnlyAttr != null && !propertyAttributes.OfType <EditableAttribute>().Any())
{
propertyAttributes.Add(new EditableAttribute(!readOnlyAttr.IsReadOnly));
// REVIEW: should we strip out [ReadOnly] attributes here?
}
// Here we check if the type has a RoundtripOriginalAttribute. In that case we strip it out from the property
if (this._isRoundtripType)
{
propertyAttributes.RemoveAll(attr => attr.GetType() == typeof(RoundtripOriginalAttribute));
}
// Here we check for database generated fields. In that case we strip any RequiredAttribute from the property.
if (propertyAttributes.Any(a => a.GetType().Name == "DatabaseGeneratedAttribute"))
{
propertyAttributes.RemoveAll(attr => attr.GetType() == typeof(RequiredAttribute));
}
// Here, we check for the presence of a complex type. If it exists we need to add a DisplayAttribute
// if not already there. DataSources windows do not handle complex types
if (TypeUtility.IsSupportedComplexType(propertyType) && !propertyAttributes.OfType <DisplayAttribute>().Any())
{
CodeAttributeDeclaration displayAttribute = CodeGenUtilities.CreateDisplayAttributeDeclaration(this.ClientProxyGenerator, this.ProxyClass);
property.CustomAttributes.Add(displayAttribute);
}
// ----------------------------------------------------------------
// Propagate the custom attributes
// ----------------------------------------------------------------
CustomAttributeGenerator.GenerateCustomAttributes(
this.ClientProxyGenerator,
this.ProxyClass,
ex => string.Format(CultureInfo.CurrentCulture, Resource.ClientCodeGen_Attribute_ThrewException_CodeTypeMember, ex.Message, property.Name, this.ProxyClass.Name, ex.InnerException.Message),
propertyAttributes.Cast <Attribute>(),
property.CustomAttributes,
property.Comments);
// ----------------------------------------------------------------
// backing private field (CodeDom doesn't yet know about auto properties)
// ----------------------------------------------------------------
string fieldName = CodeGenUtilities.MakeCompliantFieldName(propertyName);
var field = new CodeMemberField(propTypeReference, fieldName);
this.ProxyClass.Members.Add(field);
var fieldRef = new CodeFieldReferenceExpression(new CodeThisReferenceExpression(), fieldName);
var valueRef = new CodePropertySetValueReferenceExpression();
// ----------------------------------------------------------------
// getter body
// ----------------------------------------------------------------
property.GetStatements.Add(new CodeMethodReturnStatement(fieldRef));
// ----------------------------------------------------------------
// setter body
// ----------------------------------------------------------------
List <CodeStatement> bodyStatements = new List <CodeStatement>();
// this.OnPropertyXxxChanging(PropType value);
bodyStatements.Add(this.NotificationMethodGen.GetMethodInvokeExpressionStatementFor(propertyName + "Changing"));
bool propertyIsReadOnly = this.IsPropertyReadOnly(propertyDescriptor);
if (!propertyIsReadOnly)
{
bodyStatements.Add(new CodeExpressionStatement(new CodeMethodInvokeExpression(new CodeThisReferenceExpression(), "RaiseDataMemberChanging", new CodePrimitiveExpression(propertyDescriptor.Name))));
}
// Generate the validation tests.
CodeStatement validationCode = GeneratePropertySetterValidation(propertyDescriptor.Name);
bodyStatements.Add(validationCode);
// this._field = value
bodyStatements.Add(new CodeAssignStatement(fieldRef, valueRef));
if (!propertyIsReadOnly)
{
bodyStatements.Add(new CodeExpressionStatement(new CodeMethodInvokeExpression(new CodeThisReferenceExpression(), "RaiseDataMemberChanged", new CodePrimitiveExpression(propertyDescriptor.Name))));
}
else
{
// even read-only members need to raise PropertyChanged
bodyStatements.Add(new CodeExpressionStatement(new CodeMethodInvokeExpression(new CodeThisReferenceExpression(), "RaisePropertyChanged", new CodePrimitiveExpression(propertyDescriptor.Name))));
}
// this.OnPropertyXxxChanged();
bodyStatements.Add(this.NotificationMethodGen.GetMethodInvokeExpressionStatementFor(propertyName + "Changed"));
// if (this._field != value)...
CodeExpression valueTest = CodeGenUtilities.MakeNotEqual(propertyType, fieldRef, valueRef, this.ClientProxyGenerator.IsCSharp);
CodeConditionStatement body = new CodeConditionStatement(valueTest, bodyStatements.ToArray <CodeStatement>());
property.SetStatements.Add(body);
// add property
this.ProxyClass.Members.Add(property);
}
/// <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 GenerateCustomMethod(string customMethodName, DomainOperationEntry customMethod)
{
this.ClientProxyGenerator.LogMessage(string.Format(CultureInfo.CurrentCulture, Resource.EntityCodeGen_Generating_InvokeMethod, customMethodName));
// ----------------------------------------------------------------
// Method decl
// ----------------------------------------------------------------
CodeMemberMethod method = new CodeMemberMethod();
method.Name = customMethodName;
method.Attributes = MemberAttributes.Public | MemberAttributes.Final;
// The custom method parameter list is the same as the domain operation entries -- except for the first parameter
// which is the entity. We omit that first parameter in code gen
DomainOperationParameter[] paramInfos = customMethod.Parameters.ToArray();
// Generate <summary> doc comment for the custom method body
string comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_Entity_Custom_Method_Summary_Comment, customMethodName);
method.Comments.AddRange(CodeGenUtilities.GenerateSummaryCodeComment(comment, this.ClientProxyGenerator.IsCSharp));
// Generate <param> doc comment for all the parameters
for (int i = 1; i < paramInfos.Length; ++i)
{
comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_Entity_Custom_Method_Parameter_Comment, paramInfos[i].Name);
method.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment(paramInfos[i].Name, comment, this.ClientProxyGenerator.IsCSharp));
}
// Propagate custom validation attributes from the DomainOperationEntry to this custom method
var methodAttributes = customMethod.Attributes.Cast <Attribute>().ToList();
CustomAttributeGenerator.GenerateCustomAttributes(
this.ClientProxyGenerator,
this._proxyClass,
ex => string.Format(CultureInfo.CurrentCulture, Resource.ClientCodeGen_Attribute_ThrewException_CodeMethod, ex.Message, method.Name, this._proxyClass.Name, ex.InnerException.Message),
methodAttributes,
method.CustomAttributes,
method.Comments);
// Add [CustomMethod("...")] property
var customMethodAttribute = customMethod.OperationAttribute as EntityActionAttribute;
bool allowMultipleInvocations = customMethodAttribute != null && customMethodAttribute.AllowMultipleInvocations;
method.CustomAttributes.Add(
new CodeAttributeDeclaration(
CodeGenUtilities.GetTypeReference(TypeConstants.EntityActionAttributeFullName, (string)this._proxyClass.UserData["Namespace"], false),
new CodeAttributeArgument(new CodePrimitiveExpression(customMethodName)),
new CodeAttributeArgument("AllowMultipleInvocations",
new CodePrimitiveExpression(allowMultipleInvocations))
));
// ----------------------------------------------------------------
// generate custom method body:
// this.OnMethodNameInvoking(params);
// base.Invoke(methodName, params);
// this.OnMethodNameInvoked();
// ----------------------------------------------------------------
List <CodeExpression> invokeParams = new List <CodeExpression>();
invokeParams.Add(new CodePrimitiveExpression(customMethodName));
// Create an expression for each parameter, and also use this loop to
// propagate the custom attributes for each parameter in the DomainOperationEntry to the custom method.
for (int i = 1; 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);
// Propagate parameter level validation attributes from custom operation entry.
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, method.Name, this._proxyClass.Name, ex.InnerException.Message),
paramAttributes,
paramDecl.CustomAttributes,
method.Comments,
commentHeader);
method.Parameters.Add(paramDecl);
// build up the invoke call parameters
invokeParams.Add(new CodeVariableReferenceExpression(paramInfo.Name));
}
// generate 'OnCustomMethodInvoked/Invoking'
string methodInvokingName = customMethodName + "Invoking";
string methodInvokedName = customMethodName + "Invoked";
this._notificationMethodGen.AddMethodFor(methodInvokingName, method.Parameters, null);
this._notificationMethodGen.AddMethodFor(methodInvokedName, null);
method.Statements.Add(this._notificationMethodGen.GetMethodInvokeExpressionStatementFor(methodInvokingName));
method.Statements.Add(
new CodeExpressionStatement(
new CodeMethodInvokeExpression(
new CodeBaseReferenceExpression(), "InvokeAction", invokeParams.ToArray())));
method.Statements.Add(this._notificationMethodGen.GetMethodInvokeExpressionStatementFor(methodInvokedName));
this._proxyClass.Members.Add(method);
// ----------------------------------------------------------------
// generate Is<CustomMethod>Invoked property:
// [Display(AutoGenerateField=false)]
// public bool IsMyCustomMethodInvoked { get { base.IsActionInvoked(methodName);}}
// ----------------------------------------------------------------
CodeMemberProperty invokedProperty = new CodeMemberProperty();
invokedProperty.Attributes = MemberAttributes.Public | MemberAttributes.Final;
invokedProperty.HasGet = true;
invokedProperty.HasSet = false;
invokedProperty.Type = new CodeTypeReference(typeof(bool));
invokedProperty.GetStatements.Add(new CodeMethodReturnStatement(
new CodeMethodInvokeExpression(
new CodeBaseReferenceExpression(),
"IsActionInvoked",
new CodeExpression[] { new CodeArgumentReferenceExpression("\"" + customMethodName + "\"") })));
invokedProperty.Name = GetIsInvokedPropertyName(customMethodName);
// Generate <summary> doc comment
comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_Entity_IsInvoked_Property_Summary_Comment, customMethodName);
invokedProperty.Comments.AddRange(CodeGenUtilities.GenerateSummaryCodeComment(comment, this.ClientProxyGenerator.IsCSharp));
CodeAttributeDeclaration displayAttribute = CodeGenUtilities.CreateDisplayAttributeDeclaration(this.ClientProxyGenerator, this._proxyClass);
invokedProperty.CustomAttributes.Add(displayAttribute);
this._proxyClass.Members.Add(invokedProperty);
}
/// <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);
}
/// <summary>
/// Generates an invoke operation.
/// </summary>
/// <param name="domainOperationEntry">The invoke operation.</param>
/// <param name="invokeKind">the type of invoke method to generate.</param>
private void GenerateInvokeOperation(DomainOperationEntry domainOperationEntry, InvokeKind invokeKind)
{
// Determine the name of the generated invoke function
string methodName = domainOperationEntry.Name;
// ----------------------------------------------------------------
// Check for name conflicts
// ----------------------------------------------------------------
if ((invokeKind == InvokeKind.WithCallback) && this._proxyClass.Members.Cast <CodeTypeMember>().Any(c => c.Name == methodName && c.GetType() != typeof(CodeMemberMethod)))
{
this.ClientProxyGenerator.LogError(
string.Format(CultureInfo.CurrentCulture,
Resource.ClientCodeGen_NamingCollision_MemberAlreadyExists,
this._proxyClass.Name,
methodName));
return;
}
// ----------------------------------------------------------------
// InvokeResult<T> InvokeOperation(args);
//
// InvokeResult<T> InvokeOperation(args, callback, userState);
//
// Task<T> InvokeOperationAsync(args);
// ----------------------------------------------------------------
CodeTypeReference operationReturnType = null;
Type returnType = CodeGenUtilities.TranslateType(domainOperationEntry.ReturnType);
var methodReturnTypeName = (invokeKind == InvokeKind.Async) ? TypeConstants.InvokeResultTypeFullName: TypeConstants.InvokeOperationTypeFullName;
CodeTypeReference invokeOperationType = CodeGenUtilities.GetTypeReference(methodReturnTypeName, (string)this._proxyClass.UserData["Namespace"], false);
if (returnType != typeof(void))
{
// If this is an enum type, we need to ensure it is either shared or
// can be generated. Failure to use this enum is only a warning and causes
// this invoke operation to be skipped. The test for legality also causes
// the enum to be generated if required.
Type enumType = TypeUtility.GetNonNullableType(returnType);
if (enumType.IsEnum)
{
string errorMessage = null;
if (!this.ClientProxyGenerator.CanExposeEnumType(enumType, out errorMessage))
{
this.ClientProxyGenerator.LogError(string.Format(CultureInfo.CurrentCulture,
Resource.ClientCodeGen_Domain_Op_Enum_Error,
methodName,
this._proxyClass.Name,
enumType.FullName,
errorMessage));
return;
}
else
{
// Register use of this enum type, which could cause deferred generation
this.ClientProxyGenerator.RegisterUseOfEnumType(enumType);
}
}
operationReturnType = CodeGenUtilities.GetTypeReference(returnType, this.ClientProxyGenerator, this._proxyClass);
operationReturnType.Options |= CodeTypeReferenceOptions.GenericTypeParameter;
invokeOperationType.TypeArguments.Add(operationReturnType);
}
// InvokeResults are wrapped in task (always)
if (invokeKind == InvokeKind.Async)
{
invokeOperationType = new CodeTypeReference(typeof(Task).FullName, invokeOperationType);
}
CodeMemberMethod method = new CodeMemberMethod()
{
Attributes = MemberAttributes.Public | MemberAttributes.Final,
Name = (invokeKind == InvokeKind.Async) ? (methodName + "Async") : methodName,
ReturnType = invokeOperationType,
};
this._proxyClass.Members.Add(method);
ReadOnlyCollection <DomainOperationParameter> operationParameters = domainOperationEntry.Parameters;
// Generate the <summary> doc comments
string comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_DomainContext_Invoke_Method_Summary_Comment, domainOperationEntry.Name);
method.Comments.AddRange(CodeGenUtilities.GenerateSummaryCodeComment(comment, this.ClientProxyGenerator.IsCSharp));
// Generate <param> doc comments
foreach (DomainOperationParameter parameter in operationParameters)
{
comment = string.Format(CultureInfo.CurrentCulture, Resource.CodeGen_DomainContext_Invoke_Method_Parameter_Comment, parameter.Name);
method.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment(parameter.Name, comment, this.ClientProxyGenerator.IsCSharp));
}
// Conditionally add the callback and userState <param> doc comments
if (invokeKind == InvokeKind.WithCallback)
{
method.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment("callback", Resource.CodeGen_DomainContext_Invoke_Method_Callback_Parameter_Comment, this.ClientProxyGenerator.IsCSharp));
method.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment("userState", Resource.CodeGen_DomainContext_Invoke_Method_UserState_Parameter_Comment, this.ClientProxyGenerator.IsCSharp));
}
else if (invokeKind == InvokeKind.Async)
{
method.Comments.AddRange(CodeGenUtilities.GenerateParamCodeComment("cancellationToken", Resource.CodeGen_DomainContext_Invoke_Method_CancellationToken_Parameter_Comment, this.ClientProxyGenerator.IsCSharp));
}
// Generate <returns> doc comments
method.Comments.AddRange(CodeGenUtilities.GenerateReturnsCodeComment(Resource.CodeGen_DomainContext_Invoke_Returns_Comment, this.ClientProxyGenerator.IsCSharp));
// Propagate custom validation attributes from the DomainOperationEntry to this invoke operation.
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, method.Name, this._proxyClass.Name, ex.InnerException.Message),
methodAttributes,
method.CustomAttributes,
method.Comments);
// ----------------------------------------------------------------
// generate invoke operation body:
// return base.InvokeOperation<T>(methodName, typeof(T), parameters, hasSideEffects, callback, userState);
// or return base.InvokeOperationAsync<T>(methodName, parameters, hasSideEffects);
// ----------------------------------------------------------------
List <CodeExpression> invokeParams = new List <CodeExpression>();
invokeParams.Add(new CodePrimitiveExpression(methodName));
// add the return Type parameter
if (invokeKind != InvokeKind.Async)
{
invokeParams.Add(new CodeTypeOfExpression(operationReturnType));
}
// add any operation parameters
CodeVariableReferenceExpression paramsRef = new CodeVariableReferenceExpression("parameters");
if (operationParameters.Count > 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, Array.Empty <CodeExpression>()));
method.Statements.Add(paramsDef);
}
foreach (DomainOperationParameter paramInfo in operationParameters)
{
// If this is an enum type, we need to ensure it is either shared or
// can be generated. Failure to use this enum logs an error and exits.
// The test for legality also causes the enum to be generated if required.
Type enumType = TypeUtility.GetNonNullableType(paramInfo.ParameterType);
if (enumType.IsEnum)
{
string errorMessage = null;
if (!this.ClientProxyGenerator.CanExposeEnumType(enumType, out errorMessage))
{
this.ClientProxyGenerator.LogError(string.Format(CultureInfo.CurrentCulture,
Resource.ClientCodeGen_Domain_Op_Enum_Error,
method.Name,
this._proxyClass.Name,
enumType.FullName,
errorMessage));
return;
}
else
{
// Register use of this enum type, which could cause deferred generation
this.ClientProxyGenerator.RegisterUseOfEnumType(enumType);
}
}
// add the parameter to the method
CodeParameterDeclarationExpression paramDecl = new CodeParameterDeclarationExpression(
CodeGenUtilities.GetTypeReference(
CodeGenUtilities.TranslateType(paramInfo.ParameterType),
this.ClientProxyGenerator,
this._proxyClass),
paramInfo.Name);
// Propagate parameter level validation attributes from domain operation entry
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, method.Name, this._proxyClass.Name, ex.InnerException.Message),
paramAttributes,
paramDecl.CustomAttributes,
method.Comments,
commentHeader);
method.Parameters.Add(paramDecl);
// add the parameter and value to the params dictionary
method.Statements.Add(new CodeMethodInvokeExpression(
new CodeMethodReferenceExpression(paramsRef, "Add"),
new CodePrimitiveExpression(paramInfo.Name),
new CodeVariableReferenceExpression(paramInfo.Name)));
}
// add parameters if present
if (operationParameters.Count > 0)
{
invokeParams.Add(paramsRef);
}
else
{
invokeParams.Add(new CodePrimitiveExpression(null));
}
InvokeAttribute invokeAttribute = (InvokeAttribute)domainOperationEntry.OperationAttribute;
invokeParams.Add(new CodePrimitiveExpression(invokeAttribute.HasSideEffects));
switch (invokeKind)
{
case InvokeKind.WithCallback:
{
CodeTypeReference callbackType = CodeGenUtilities.GetTypeReference(typeof(Action).FullName, (string)this._proxyClass.UserData["Namespace"], false);
callbackType.TypeArguments.Add(invokeOperationType);
// add callback method parameter
method.Parameters.Add(new CodeParameterDeclarationExpression(callbackType, "callback"));
invokeParams.Add(new CodeVariableReferenceExpression("callback"));
// add the userState parameter to the end
method.Parameters.Add(new CodeParameterDeclarationExpression(CodeGenUtilities.GetTypeReference(typeof(object), this.ClientProxyGenerator, this._proxyClass), "userState"));
invokeParams.Add(new CodeVariableReferenceExpression("userState"));
}
break;
case InvokeKind.WithoutCallback:
invokeParams.Add(new CodePrimitiveExpression(null));
invokeParams.Add(new CodePrimitiveExpression(null));
break;
case InvokeKind.Async:
var cancellationTokenType = CodeGenUtilities.GetTypeReference(typeof(CancellationToken), this.ClientProxyGenerator, this._proxyClass);
var cancellationTokenParmeter = new CodeParameterDeclarationExpression(cancellationTokenType, "cancellationToken");
// For C# add " = default(CancellationToken)"
// For VB add "Optional" ByVal .... = Nothing
// otherwise fall back to adding [Optional] attribute, this is the same as adding "= default(CancellationToken)"
if (ClientProxyGenerator.IsCSharp)
{
cancellationTokenParmeter.Name = string.Format("{0} = default({1})", cancellationTokenParmeter.Name, cancellationTokenType.BaseType);
}
else if (ClientProxyGenerator.IsVB) // VB
{
// Set an invalid field direction in order to have VB Code gen from generating
cancellationTokenParmeter.Direction = (FieldDirection)0xff;
cancellationTokenParmeter.Name = "Optional ByVal " + cancellationTokenParmeter.Name;
cancellationTokenParmeter.Type = new CodeTypeReference(cancellationTokenType.BaseType + " = Nothing");
}
else
{
// Add [Optional] attribute
cancellationTokenParmeter.CustomAttributes.Add(new CodeAttributeDeclaration(
CodeGenUtilities.GetTypeReference(typeof(OptionalAttribute), this.ClientProxyGenerator, this._proxyClass)));
}
method.Parameters.Add(cancellationTokenParmeter);
invokeParams.Add(new CodeVariableReferenceExpression("cancellationToken"));
break;
}
// this.ValidateMethod("methodName", parameters);
CodeExpression paramsExpr = new CodePrimitiveExpression(null);
if (operationParameters.Count > 0)
{
paramsExpr = paramsRef;
}
CodeExpressionStatement validateMethodCall = new CodeExpressionStatement(
new CodeMethodInvokeExpression(
new CodeThisReferenceExpression(),
"ValidateMethod",
new CodeExpression[]
{
new CodePrimitiveExpression(methodName),
paramsExpr
}));
method.Statements.Add(validateMethodCall);
var invokeMethod = (invokeKind == InvokeKind.Async) ? "InvokeOperationAsync" : "InvokeOperation";
var typeParameters = (domainOperationEntry.ReturnType == typeof(void)) ? Array.Empty <CodeTypeReference>() : new[] { operationReturnType };
var invokeMethodReference = new CodeMethodReferenceExpression(new CodeThisReferenceExpression(), invokeMethod, typeParameters);
CodeExpression invokeCall = new CodeMethodInvokeExpression(invokeMethodReference, invokeParams.ToArray());
method.Statements.Add(new CodeMethodReturnStatement(invokeCall));
}
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);
}