public void CanManuallyConfigureFunctionLinkFactory()
{
// Arrange
string uriTemplate = "http://server/service/Customers({0})/Reward";
Uri expectedUri = new Uri(string.Format(uriTemplate, 1));
ODataModelBuilder builder = new ODataModelBuilder();
EntityTypeConfiguration <Customer> customer = builder.EntitySet <Customer>("Customers").EntityType;
customer.HasKey(c => c.CustomerId);
customer.Property(c => c.Name);
// Act
FunctionConfiguration reward = customer.Function("Reward");
reward.HasFunctionLink(ctx => new Uri(string.Format(uriTemplate, ctx.GetPropertyValue("CustomerId"))),
followsConventions: false);
reward.Returns <bool>();
IEdmModel model = builder.GetEdmModel();
IEdmEntityType customerType = model.SchemaElements.OfType <IEdmEntityType>().SingleOrDefault();
ODataSerializerContext serializerContext = new ODataSerializerContext {
Model = model
};
ResourceContext context = new ResourceContext(serializerContext, customerType.AsReference(), new Customer {
CustomerId = 1
});
IEdmFunction rewardFunction = Assert.Single(model.SchemaElements.OfType <IEdmFunction>()); // Guard
OperationLinkBuilder functionLinkBuilder = model.GetAnnotationValue <OperationLinkBuilder>(rewardFunction);
//Assert
Assert.Equal(expectedUri, reward.GetFunctionLink()(context));
Assert.NotNull(functionLinkBuilder);
Assert.Equal(expectedUri, functionLinkBuilder.BuildLink(context));
}
public void CanCreateEdmModel_WithNonBindableFunction()
{
// Arrange
ODataModelBuilder builder = ODataModelBuilderMocks.GetModelBuilderMock <ODataModelBuilder>();
// Act
FunctionConfiguration functionConfiguration = builder.Function("FunctionName");
functionConfiguration.ReturnsFromEntitySet <Customer>("Customers");
IEdmModel model = builder.GetEdmModel();
// Assert
IEdmEntityContainer container = model.EntityContainer;
Assert.NotNull(container);
Assert.Single(container.Elements.OfType <IEdmFunctionImport>());
Assert.Single(container.Elements.OfType <IEdmEntitySet>());
IEdmFunctionImport functionImport = Assert.Single(container.Elements.OfType <IEdmFunctionImport>());
IEdmFunction function = functionImport.Function;
Assert.False(function.IsComposable);
Assert.False(function.IsBound);
Assert.Equal("FunctionName", function.Name);
Assert.NotNull(function.ReturnType);
Assert.NotNull(functionImport.EntitySet);
Assert.Equal("Customers", (functionImport.EntitySet as IEdmPathExpression).Path);
Assert.Empty(function.Parameters);
}
public void WhenFeedActionLinksNotManuallyConfigured_ConventionBasedBuilderUsesConventions()
{
// Arrange
Uri expectedUri = new Uri("http://server/Movies/Default.Watch(param=@param)");
ODataModelBuilder builder = ODataConventionModelBuilderFactory.Create();
EntityTypeConfiguration <Movie> movie = builder.EntitySet <Movie>("Movies").EntityType;
FunctionConfiguration watch = movie.Collection.Function("Watch").Returns <int>(); // function bound to collection
watch.Parameter <string>("param");
IEdmModel model = builder.GetEdmModel();
var configuration = RoutingConfigurationFactory.Create();
string routeName = "Route";
configuration.MapODataServiceRoute(routeName, null, model);
var request = RequestFactory.Create(HttpMethod.Get, "http://server/Movies", configuration, routeName);
// Act
IEdmEntityContainer container = model.SchemaElements.OfType <IEdmEntityContainer>().SingleOrDefault();
IEdmFunction watchFunction = Assert.Single(model.SchemaElements.OfType <IEdmFunction>()); // Guard
IEdmEntitySet entitySet = container.EntitySets().SingleOrDefault();
ODataSerializerContextFactory.Create(model, entitySet, request);
ResourceSetContext context = ResourceSetContextFactory.Create(entitySet, request);
OperationLinkBuilder functionLinkBuilder = model.GetAnnotationValue <OperationLinkBuilder>(watchFunction);
//Assert
Assert.Equal(expectedUri, watch.GetFeedFunctionLink()(context));
Assert.NotNull(functionLinkBuilder);
Assert.Equal(expectedUri, functionLinkBuilder.BuildLink(context));
}
private void AddOperations(OperationSegment operationSegment, ISet <IEdmAction> allActions, ISet <IEdmFunction> allFunctions)
{
foreach (IEdmOperation operation in operationSegment.Operations)
{
IEdmAction action = operation as IEdmAction;
if (action != null && allActions.Contains(action))
{
if (SelectedActions == null)
{
SelectedActions = new HashSet <IEdmAction>();
}
SelectedActions.Add(action);
}
IEdmFunction function = operation as IEdmFunction;
if (function != null && allFunctions.Contains(function))
{
if (SelectedFunctions == null)
{
SelectedFunctions = new HashSet <IEdmFunction>();
}
SelectedFunctions.Add(function);
}
}
}
private IEdmFunction GetFunction(string functionName)
{
IEdmFunction function = null;
var functionImport = _model.SchemaElements
.Where(x => x.SchemaElementKind == EdmSchemaElementKind.EntityContainer)
.SelectMany(x => (x as IEdmEntityContainer).Elements
.Where(y => y.ContainerElementKind == EdmContainerElementKind.FunctionImport))
.BestMatch(x => x.Name, functionName, NameMatchResolver) as IEdmFunctionImport;
if (functionImport != null)
{
function = functionImport.Function;
}
if (function == null)
{
function = _model.SchemaElements
.BestMatch(x => x.SchemaElementKind == EdmSchemaElementKind.Function,
x => x.Name, functionName, NameMatchResolver) as IEdmFunction;
}
if (function == null)
{
throw new UnresolvableObjectException(functionName, $"Function [{functionName}] not found");
}
return(function);
}
/// <summary>
/// Try to bind the idenfier as operation import (function import or action import) segment,
/// Append it into path.
/// </summary>
private static bool TryBindOperationImport(string identifier, string parenthesisExpressions,
IEdmModel model, IList <PathSegment> path, PathParserSettings settings)
{
// split the parameter key/value pair
parenthesisExpressions.ExtractKeyValuePairs(out IDictionary <string, string> parameters, out string remaining);
IList <string> parameterNames = parameters == null ? null : parameters.Keys.ToList();
IEdmOperationImport operationImport = OperationHelper.ResolveOperationImports(identifier, parameterNames, model, settings.EnableCaseInsensitive);
if (operationImport != null)
{
operationImport.TryGetStaticEntitySet(model, out IEdmEntitySetBase entitySetBase);
path.Add(new OperationImportSegment(operationImport, entitySetBase));
if (remaining != null && operationImport.IsFunctionImport())
{
IEdmFunction function = (IEdmFunction)operationImport.Operation;
if (function.IsComposable)
{
if (TryBindKeySegment(parenthesisExpressions, path))
{
return(true);
}
}
}
return(true);
}
return(false);
}
public void BuildFilter_AliasInFunction_PropertyAsValue_TypeMismatch()
{
Uri fullUri = new Uri("http://gobbledygook/People?$filter=Fully.Qualified.Namespace.HasDog(inOffice%3D%40p1%2Cname%3D%40p1)&@p2=Name&@p1=%40p2");
ODataUriParser odataUriParser = new ODataUriParser(HardCodedTestModel.TestModel, serviceRoot, fullUri);
SetODataUriParserSettingsTo(this.settings, odataUriParser.Settings);
odataUriParser.UrlKeyDelimiter = ODataUrlKeyDelimiter.Parentheses;
ODataUri odataUri = odataUriParser.ParseUri();
IDictionary <string, SingleValueNode> aliasNodes = odataUri.ParameterAliasNodes;
IEdmFunction function = HardCodedTestModel.GetHasDogOverloadForPeopleWithThreeParameters() as IEdmFunction;
Assert.NotNull(function);
var functionCallNode = odataUri.Filter.Expression.ShouldBeSingleValueFunctionCallQueryNode(function);
Assert.IsType <NamedFunctionParameterNode>(functionCallNode.Parameters.Last()).Value.ShouldBeParameterAliasNode("@p1", EdmCoreModel.Instance.GetString(true));
aliasNodes["@p1"].ShouldBeParameterAliasNode("@p2", EdmCoreModel.Instance.GetString(true));
aliasNodes["@p2"].ShouldBeSingleValuePropertyAccessQueryNode(HardCodedTestModel.GetPeopleSet().EntityType().FindProperty("Name"));
Uri actualUri = odataUri.BuildUri(ODataUrlKeyDelimiter.Parentheses);
Assert.Equal(fullUri, actualUri);
actualUri = odataUri.BuildUri(ODataUrlKeyDelimiter.Slash);
Assert.Equal(fullUri, actualUri);
}
/// <summary>
/// Initializes a new instance of the <see cref="FunctionSegmentTemplate" /> class.
/// </summary>
/// <param name="parameters">The function parameter template mappings.The key string is case-sensitive, the value string should wrapper with { and }.</param>
/// <param name="function">The Edm function, it should be bound function.</param>
/// <param name="navigationSource">The Edm navigation source of this function return. It could be null.</param>
public FunctionSegmentTemplate(IDictionary <string, string> parameters, IEdmFunction function, IEdmNavigationSource navigationSource)
{
if (parameters == null)
{
throw Error.ArgumentNull(nameof(parameters));
}
Function = function ?? throw Error.ArgumentNull(nameof(function));
NavigationSource = navigationSource;
// Only accept the bound function
if (!function.IsBound)
{
throw new ODataException(Error.Format(SRResources.FunctionIsNotBound, function.Name));
}
// Parameters should include all required parameter, but maybe include the optional parameter.
ParameterMappings = function.VerifyAndBuildParameterMappings(parameters);
// Join the parameters as p1={p1}
string parameterStr = "(" + string.Join(",", ParameterMappings.Select(a => $"{a.Key}={{{a.Value}}}")) + ")";
UnqualifiedIdentifier = function.Name + parameterStr;
Literal = function.FullName() + parameterStr;
// Function will always have the return type
IsSingle = function.ReturnType.TypeKind() != EdmTypeKind.Collection;
}
public void CanCreateEdmModel_WithBindableFunction()
{
// Arrange
ODataModelBuilder builder = new ODataModelBuilder();
EntityTypeConfiguration <Customer> customer = builder.EntityType <Customer>();
customer.HasKey(c => c.CustomerId);
customer.Property(c => c.Name);
// Act
FunctionConfiguration sendEmail = customer.Function("FunctionName");
sendEmail.Returns <bool>();
IEdmModel model = builder.GetEdmModel();
// Assert
Assert.Single(model.SchemaElements.OfType <IEdmFunction>());
IEdmFunction function = Assert.Single(model.SchemaElements.OfType <IEdmFunction>());
Assert.False(function.IsComposable);
Assert.True(function.IsBound);
Assert.Equal("FunctionName", function.Name);
Assert.NotNull(function.ReturnType);
Assert.Single(function.Parameters);
Assert.Equal(BindingParameterConfiguration.DefaultBindingParameterName, function.Parameters.Single().Name);
Assert.Equal(typeof(Customer).FullName, function.Parameters.Single().Type.FullName());
}
/// <summary>
/// Handle an OperationSegment
/// </summary>
/// <param name="segment">the segment to handle</param>
public override void Handle(OperationSegment segment)
{
_navigationSource = segment.EntitySet;
IEdmAction action = segment.Operations.Single() as IEdmAction;
if (action != null)
{
_pathTemplate.Add(ODataSegmentKinds.Action); // action
_pathUriLiteral.Add(action.FullName());
}
else
{
_pathTemplate.Add(ODataSegmentKinds.Function); // function
// Translate the nodes in ODL path to string literals as parameter of BoundFunctionPathSegment.
Dictionary <string, string> parameterValues = segment.Parameters.ToDictionary(
parameterValue => parameterValue.Name,
parameterValue => TranslateNode(parameterValue.Value));
// TODO: refactor the function literal for parameter alias
IEdmFunction function = (IEdmFunction)segment.Operations.Single();
IEnumerable <string> parameters = parameterValues.Select(v => String.Format(CultureInfo.InvariantCulture, "{0}={1}", v.Key, v.Value));
string literal = String.Format(CultureInfo.InvariantCulture, "{0}({1})", function.FullName(), String.Join(",", parameters));
_pathUriLiteral.Add(literal);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="FunctionSegmentTemplate" /> class.
/// </summary>
/// <param name="function">The Edm function, it should be bound function.</param>
/// <param name="navigationSource">The Edm navigation source of this function return. It could be null.</param>
/// <param name="requiredParameters">The required parameters of this function.</param>
public FunctionSegmentTemplate(IEdmFunction function, IEdmNavigationSource navigationSource, ISet <string> requiredParameters)
{
Function = function ?? throw Error.ArgumentNull(nameof(function));
NavigationSource = navigationSource;
RequiredParameters = requiredParameters ?? throw Error.ArgumentNull(nameof(requiredParameters));
// Only accept the bound function
if (!function.IsBound)
{
throw new ODataException(string.Format(CultureInfo.CurrentCulture, SRResources.FunctionIsNotBound, function.Name));
}
// make sure the input parameter is subset of the function paremeters.
ISet <string> functionParameters = function.GetFunctionParamters();
if (!requiredParameters.IsSubsetOf(functionParameters))
{
string required = string.Join(",", requiredParameters);
string actual = string.Join(",", functionParameters);
throw new ODataException(Error.Format(SRResources.RequiredParametersNotSubsetOfFunctionParameters, required, actual));
}
// Join the parameters as p1={p1}
string parameters = "(" + string.Join(",", requiredParameters.Select(a => $"{a}={{{a}}}")) + ")";
UnqualifiedIdentifier = function.Name + parameters;
Literal = function.FullName() + parameters;
// Function will always have the return type
IsSingle = function.ReturnType.TypeKind() != EdmTypeKind.Collection;
}
private string FunctionName(IEdmFunction function, OpenApiConvertSettings settings)
{
StringBuilder functionName = new StringBuilder();
if (settings.EnableUnqualifiedCall)
{
functionName.Append(function.Name);
}
else
{
functionName.Append(function.FullName());
}
functionName.Append("(");
// Structured or collection-valued parameters are represented as a parameter alias in the path template
// and the parameters array contains a Parameter Object for the parameter alias as a query option of type string.
int skip = function.IsBound ? 1 : 0;
functionName.Append(String.Join(",", function.Parameters.Skip(skip).Select(p =>
{
if (p.Type.IsStructured() || p.Type.IsCollection())
{
return(p.Name + "=@" + p.Name);
}
else
{
return(p.Name + "={" + p.Name + "}");
}
})));
functionName.Append(")");
return(functionName.ToString());
}
/// <summary>
/// Initializes a new <see cref="IEdmOperationImport"/> instance.
/// </summary>
/// <param name="name">name of the service operation.</param>
/// <param name="function">Function imported in.</param>
/// <param name="resultSet">EntitySet of the result expected from this operation.</param>
public EdmFunctionImport AddFunctionImport(string name, IEdmFunction function, IEdmEntitySet resultSet, bool includeInServiceDocument)
{
var functionImport = new EdmFunctionImport(this, name, function, new EdmEntitySetReferenceExpression(resultSet), includeInServiceDocument);
this.AddOperationImport(name, functionImport);
return(functionImport);
}
/// <summary>
/// Creates and adds a function import to this entity container.
/// </summary>
/// <param name="name">Name of the function import.</param>
/// <param name="function">The function of the specified function import.</param>
/// <param name="entitySet">An entity set containing entities returned by this function import.
/// The two expression kinds supported are <see cref="IEdmEntitySetReferenceExpression"/> and <see cref="IEdmPathExpression"/>.</param>
/// <param name="includeInServiceDocument">A value indicating whether this function import will be in the service document.</param>
/// <returns>Created operation import.</returns>
public virtual EdmOperationImport AddFunctionImport(string name, IEdmFunction function, IEdmExpression entitySet, bool includeInServiceDocument)
{
EdmOperationImport functionImport = new EdmFunctionImport(this, name, function, entitySet, includeInServiceDocument);
this.AddElement(functionImport);
return(functionImport);
}
/// <inheritdoc/>
protected override void SetParameters(OpenApiOperation operation)
{
base.SetParameters(operation);
if (EdmOperation.IsFunction())
{
IEdmFunction function = (IEdmFunction)EdmOperation;
if (OperationSegment.ParameterMappings != null)
{
IList <OpenApiParameter> parameters = Context.CreateParameters(function, OperationSegment.ParameterMappings);
foreach (var parameter in parameters)
{
AppendParameter(operation, parameter);
}
}
else
{
IDictionary <string, string> mappings = ParameterMappings[OperationSegment];
IList <OpenApiParameter> parameters = Context.CreateParameters(function, mappings);
if (operation.Parameters == null)
{
operation.Parameters = parameters;
}
else
{
foreach (var parameter in parameters)
{
AppendParameter(operation, parameter);
}
}
}
}
}
private bool IsMatchingFunction(IEdmFunction function)
{
IEnumerable <EdmError> edmErrors = null;
bool flag;
if (function.Parameters.Count <IEdmFunctionParameter>() == this.Arguments.Count <IEdmExpression>())
{
IEnumerator <IEdmExpression> enumerator = this.Arguments.GetEnumerator();
IEnumerator <IEdmFunctionParameter> enumerator1 = function.Parameters.GetEnumerator();
using (enumerator1)
{
while (enumerator1.MoveNext())
{
IEdmFunctionParameter current = enumerator1.Current;
enumerator.MoveNext();
if (enumerator.Current.TryAssertType(current.Type, out edmErrors))
{
continue;
}
flag = false;
return(flag);
}
return(true);
}
return(flag);
}
else
{
return(false);
}
}
private string FunctionImportName(IEdmFunctionImport functionImport, OpenApiConvertSettings settings)
{
StringBuilder functionName = new StringBuilder(functionImport.Name);
functionName.Append("(");
// Structured or collection-valued parameters are represented as a parameter alias in the path template
// and the parameters array contains a Parameter Object for the parameter alias as a query option of type string.
IEdmFunction function = functionImport.Function;
functionName.Append(String.Join(",", function.Parameters.Select(p =>
{
if (p.Type.IsStructured() || p.Type.IsCollection())
{
return(p.Name + "=@" + p.Name);
}
else
{
return(p.Name + "={" + p.Name + "}");
}
})));
functionName.Append(")");
return(functionName.ToString());
}
/// <summary>
/// Handle an OperationSegment
/// </summary>
/// <param name="segment">the segment to handle</param>
public override void Handle(OperationSegment segment)
{
Contract.Assert(segment != null);
NavigationSource = segment.EntitySet;
IEdmAction action = segment.Operations.Single() as IEdmAction;
if (action != null)
{
_path.Add(action.FullName());
}
else
{
IEdmFunction function = (IEdmFunction)segment.Operations.Single();
IList <string> parameterValues = new List <string>();
foreach (var parameter in segment.Parameters)
{
var functionParameter = function.Parameters.FirstOrDefault(p => p.Name == parameter.Name);
if (functionParameter == null)
{
continue;
}
parameterValues.Add(functionParameter.Type.FullName());
}
string literal = string.Format(CultureInfo.InvariantCulture, "{0}({1})", function.FullName(), string.Join(",", parameterValues));
_path.Add(literal);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="FunctionSegmentTemplate" /> class.
/// </summary>
/// <param name="parameters">The function parameter template mappings.The key string is case-sensitive, the value string should wrapper with { and }.</param>
/// <param name="function">The Edm function, it should be bound function.</param>
/// <param name="navigationSource">The Edm navigation source of this function return. It could be null.</param>
public FunctionSegmentTemplate(IDictionary <string, string> parameters, IEdmFunction function, IEdmNavigationSource navigationSource)
{
if (parameters == null)
{
throw Error.ArgumentNull(nameof(parameters));
}
Function = function ?? throw Error.ArgumentNull(nameof(function));
NavigationSource = navigationSource;
// Only accept the bound function
if (!function.IsBound)
{
throw new ODataException(Error.Format(SRResources.FunctionIsNotBound, function.Name));
}
// Parameters should include all required parameter, but maybe include the optional parameter.
ParameterMappings = function.VerifyAndBuildParameterMappings(parameters);
string routeKey = ParameterMappings.BuildRouteKey();
string parameterStr = ParameterMappings.Count == 0 ? "()" : $"({{{routeKey}}})";
UnqualifiedIdentifier = function.Name + parameterStr;
Literal = function.FullName() + parameterStr;
// Function will always have the return type
IsSingle = function.ReturnType.TypeKind() != EdmTypeKind.Collection;
}
/// <summary>
/// Determines whether the specified function is UrlEscape function or not.
/// </summary>
/// <param name="model">The Edm model.</param>
/// <param name="function">The specified function</param>
/// <returns><c>true</c> if the specified operation is UrlEscape function; otherwise, <c>false</c>.</returns>
public static bool IsUrlEscapeFunction(this IEdmModel model, IEdmFunction function)
{
Utils.CheckArgumentNull(model, nameof(model));
Utils.CheckArgumentNull(function, nameof(function));
IEdmVocabularyAnnotation annotation = model.FindVocabularyAnnotations <IEdmVocabularyAnnotation>(function,
CommunityVocabularyModel.UrlEscapeFunctionTerm).FirstOrDefault();
if (annotation != null)
{
if (annotation.Value == null)
{
// If the annotation is applied but a value is not specified then the value is assumed to be true.
return(true);
}
IEdmBooleanConstantExpression tagConstant = annotation.Value as IEdmBooleanConstantExpression;
if (tagConstant != null)
{
return(tagConstant.Value);
}
}
return(false);
}
public void CreateOperationForEdmFunctionReturnsCorrectOperation()
{
// Arrange
IEdmModel model = EdmModelHelper.TripServiceModel;
ODataContext context = new ODataContext(model);
IEdmEntitySet people = model.EntityContainer.FindEntitySet("People");
Assert.NotNull(people);
IEdmFunction function = model.SchemaElements.OfType <IEdmFunction>().First(f => f.Name == "GetFavoriteAirline");
Assert.NotNull(function);
ODataPath path = new ODataPath(new ODataNavigationSourceSegment(people), new ODataKeySegment(people.EntityType()), new ODataOperationSegment(function));
// Act
var operation = _operationHandler.CreateOperation(context, path);
// Assert
Assert.NotNull(operation);
Assert.Equal("Invoke function GetFavoriteAirline", operation.Summary);
Assert.NotNull(operation.Tags);
var tag = Assert.Single(operation.Tags);
Assert.Equal("People.Functions", tag.Name);
Assert.NotNull(operation.Parameters);
Assert.Equal(1, operation.Parameters.Count);
Assert.Equal(new string[] { "UserName" }, operation.Parameters.Select(p => p.Name));
Assert.Null(operation.RequestBody);
Assert.Equal(2, operation.Responses.Count);
Assert.Equal(new string[] { "200", "default" }, operation.Responses.Select(e => e.Key));
}
/// <summary>
/// Creates and adds a function import to this entity container.
/// </summary>
/// <param name="name">Name of the function import.</param>
/// <param name="function">The function of the specified function import.</param>
/// <returns>Created function import.</returns>
public virtual EdmFunctionImport AddFunctionImport(string name, IEdmFunction function)
{
EdmFunctionImport functionImport = new EdmFunctionImport(this, name, function);
this.AddElement(functionImport);
return(functionImport);
}
protected override void ProcessFunction(IEdmFunction element)
{
Action <IEdmFunction> elementHeaderWriter = null;
if (element.ReturnType != null)
{
bool inlineReturnType = IsInlineType(element.ReturnType);
this.BeginElement <IEdmFunction>(element, f => this.schemaWriter.WriteFunctionElementHeader(f, inlineReturnType), new Action <IEdmFunction>[] { f => this.ProcessFacets(f.ReturnType, inlineReturnType) });
if (!inlineReturnType)
{
this.schemaWriter.WriteReturnTypeElementHeader();
base.VisitTypeReference(element.ReturnType);
this.schemaWriter.WriteEndElement();
}
}
else
{
if (elementHeaderWriter == null)
{
elementHeaderWriter = t => this.schemaWriter.WriteFunctionElementHeader(t, false);
}
this.BeginElement <IEdmFunction>(element, elementHeaderWriter, new Action <IEdmFunction> [0]);
}
if (element.DefiningExpression != null)
{
this.schemaWriter.WriteDefiningExpressionElement(element.DefiningExpression);
}
base.VisitFunctionParameters(element.Parameters);
this.EndElement(element);
}
public static string ToUriLiteral(this OperationSegment segment)
{
if (segment == null)
{
throw Error.ArgumentNull("segment");
}
IEdmAction action = segment.Operations.Single() as IEdmAction;
if (action != null)
{
return(action.FullName());
}
else
{
// Translate the nodes in ODL path to string literals as parameter of BoundFunctionPathSegment.
Dictionary <string, string> parameterValues = segment.Parameters.ToDictionary(
parameterValue => parameterValue.Name,
parameterValue => TranslateNode(parameterValue.Value));
IEdmFunction function = (IEdmFunction)segment.Operations.Single();
IEnumerable <string> parameters = parameterValues.Select(v => String.Format(CultureInfo.InvariantCulture, "{0}={1}", v.Key, v.Value));
return(String.Format(CultureInfo.InvariantCulture, "{0}({1})", function.FullName(), String.Join(",", parameters)));
}
}
/// <summary>
///
/// </summary>
/// <param name="function">The type containes the key.</param>
/// <param name="unqualifiedFunctionCall">Unqualified function call boolean value.</param>
public FunctionSegmentTemplate(IEdmFunction function, bool unqualifiedFunctionCall)
{
Function = function ?? throw new ArgumentNullException(nameof(function));
if (!function.IsBound)
{
// TODO: shall we need this check?
throw new InvalidOperationException($"The input function {function.Name} is not a bound function.");
}
int skip = function.IsBound ? 1 : 0;
IDictionary <string, string> parametersMappings = new Dictionary <string, string>();
foreach (var parameter in function.Parameters.Skip(skip))
{
parametersMappings[parameter.Name] = $"{{{parameter.Name}}}";
}
if (unqualifiedFunctionCall)
{
Template = function.Name + "(" + string.Join(",", parametersMappings.Select(a => $"{a.Key}={a.Value}")) + ")";
}
else
{
Template = function.FullName() + "(" + string.Join(",", parametersMappings.Select(a => $"{a.Key}={a.Value}")) + ")";
}
}
public static BoundFunctionPathSegment TryResolveBound(IEnumerable <IEdmFunction> functions, IEdmModel model, string nextSegment)
{
Dictionary <string, string> parameters = GetParameters(nextSegment);
IEnumerable <string> parameterNames;
if (parameters == null)
{
parameterNames = null;
}
else if (parameters.Keys.Contains(String.Empty))
{
// One of the function parameters has no name.
return(null);
}
else
{
parameterNames = parameters.Keys;
}
IEdmFunction function = FindBestBoundFunction(functions, parameterNames);
if (function != null)
{
if (GetNonBindingParameters(function).Any())
{
return(new BoundFunctionPathSegment(function, model, parameters));
}
else
{
return(new BoundFunctionPathSegment(function, model, parameterValues: null));
}
}
return(null);
}
public static bool IsBoundTo(IEdmFunction function, IEdmType type)
{
Contract.Assert(function != null);
Contract.Assert(type != null);
// The binding parameter is the first parameter by convention
IEdmOperationParameter bindingParameter = function.Parameters.FirstOrDefault();
if (bindingParameter == null)
{
return(false);
}
IEdmType fromType;
if (bindingParameter.Type.Definition.TypeKind == EdmTypeKind.Collection)
{
fromType = ((IEdmCollectionType)bindingParameter.Type.Definition).ElementType.Definition;
}
else
{
fromType = bindingParameter.Type.Definition;
}
return(fromType == type);
}
protected override void ProcessFunction(IEdmFunction element)
{
if (element.ReturnType != null)
{
bool inlineReturnType = IsInlineType(element.ReturnType);
this.BeginElement(element, (IEdmFunction f) => { this.schemaWriter.WriteFunctionElementHeader(f, inlineReturnType); }, f => { this.ProcessFacets(f.ReturnType, inlineReturnType); });
if (!inlineReturnType)
{
this.schemaWriter.WriteReturnTypeElementHeader();
this.VisitTypeReference(element.ReturnType);
this.schemaWriter.WriteEndElement();
}
}
else
{
this.BeginElement(element, (IEdmFunction t) => { this.schemaWriter.WriteFunctionElementHeader(t, false /*Inline ReturnType*/); });
}
if (element.DefiningExpression != null)
{
this.schemaWriter.WriteDefiningExpressionElement(element.DefiningExpression);
}
this.VisitFunctionParameters(element.Parameters);
this.EndElement(element);
}
/// <summary>
/// Verify and build the function parameters
/// </summary>
/// <param name="function">The Edm function.</param>
/// <param name="parameters">The input parameter template mapping.</param>
/// <returns>The build function parameter mapping.</returns>
public static IDictionary <string, string> VerifyAndBuildParameterMappings(this IEdmFunction function, IDictionary <string, string> parameters)
{
if (function == null)
{
throw Error.ArgumentNull(nameof(function));
}
if (parameters == null)
{
throw Error.ArgumentNull(nameof(parameters));
}
Dictionary <string, string> parameterMappings = new Dictionary <string, string>();
int skip = function.IsBound ? 1 : 0;
ISet <string> funcParameters = new HashSet <string>();
foreach (var parameter in function.Parameters.Skip(skip))
{
funcParameters.Add(parameter.Name);
IEdmOptionalParameter optionalParameter = parameter as IEdmOptionalParameter;
if (optionalParameter != null)
{
// skip verification for optional parameter
continue;
}
// for required parameter, it should be in the parameter template mapping.
if (!parameters.ContainsKey(parameter.Name))
{
throw new ODataException(Error.Format(SRResources.MissingRequiredParameterInOperation, parameter.Name, function.FullName()));
}
}
foreach (var parameter in parameters)
{
if (!funcParameters.Contains(parameter.Key))
{
throw new ODataException(Error.Format(SRResources.CannotFindParameterInOperation, parameter.Key, function.FullName()));
}
string templateName = parameter.Value;
if (templateName == null || !templateName.IsValidTemplateLiteral())
{
throw new ODataException(Error.Format(SRResources.ParameterTemplateMustBeInCurlyBraces, parameter.Value, function.FullName()));
}
templateName = templateName.Substring(1, templateName.Length - 2).Trim();
if (string.IsNullOrEmpty(templateName))
{
throw new ODataException(Error.Format(SRResources.EmptyParameterAlias, parameter.Key, function.FullName()));
}
parameterMappings[parameter.Key] = templateName;
}
return(parameterMappings);
}
/// <summary>
/// Ases the edm function.
/// </summary>
/// <param name="function">The function.</param>
/// <returns></returns>
public static EdmFunction AsEdmFunction(this IEdmFunction function)
{
var edmAction = function as EdmFunction;
ExceptionUtilities.CheckObjectNotNull(edmAction, "function");
return(edmAction);
}
/// <summary>
/// Initializes a new instance of the <see cref="EdmFunctionImport"/> class.
/// </summary>
/// <param name="container">The container.</param>
/// <param name="name">The name.</param>
/// <param name="function">The function.</param>
/// <param name="entitySetExpression">The entity set expression.</param>
/// <param name="includeInServiceDocument">The value indicates if the function is to be include in the service document or not.</param>
public EdmFunctionImport(IEdmEntityContainer container, string name, IEdmFunction function, IEdmExpression entitySetExpression, bool includeInServiceDocument)
: base(container, function, name, entitySetExpression)
{
EdmUtil.CheckArgumentNull(function, "function");
this.Function = function;
this.IncludeInServiceDocument = includeInServiceDocument;
}
public static void SetFunctionLinkBuilder(this IEdmModel model, IEdmFunction function,
FunctionLinkBuilder functionLinkBuilder)
{
if (model == null)
{
throw Error.ArgumentNull("model");
}
model.SetAnnotationValue(function, functionLinkBuilder);
}
/// <summary>
/// Initializes a new instance of the <see cref="BoundFunctionPathSegment" /> class.
/// </summary>
/// <param name="function">The function being invoked.</param>
/// <param name="model">The edm model containing the function.</param>
/// <param name="parameterValues">The raw parameter values indexed by the parameter names.</param>
public BoundFunctionPathSegment(IEdmFunction function, IEdmModel model, IDictionary<string, string> parameterValues)
{
if (function == null)
{
throw Error.ArgumentNull("function");
}
Function = function;
FunctionName = Function.FullName();
_edmModel = model;
Values = parameterValues ?? new Dictionary<string, string>();
}
public ODataSwaggerUtilitiesTest()
{
CustomersModelWithInheritance model = new CustomersModelWithInheritance();
_customer = model.Customer;
_customers = model.Customers;
IEdmAction action = new EdmAction("NS", "GetCustomers", null, false, null);
_getCustomers = new EdmActionImport(model.Container, "GetCustomers", action);
_isAnyUpgraded = model.Model.SchemaElements.OfType<IEdmFunction>().FirstOrDefault(e => e.Name == "IsAnyUpgraded");
_isCustomerUpgradedWithParam = model.Model.SchemaElements.OfType<IEdmFunction>().FirstOrDefault(e => e.Name == "IsUpgradedWithParam");
}
internal static bool FunctionOrNameExistsInReferencedModel(this IEdmModel model, IEdmFunction function, string functionFullName, bool checkEntityContainer)
{
bool flag;
Func<IEdmFunction, bool> func = null;
IEnumerator<IEdmModel> enumerator = model.ReferencedModels.GetEnumerator();
using (enumerator)
{
while (enumerator.MoveNext())
{
IEdmModel current = enumerator.Current;
if (current.FindDeclaredType(functionFullName) != null || current.FindDeclaredValueTerm(functionFullName) != null || checkEntityContainer && current.FindDeclaredEntityContainer(functionFullName) != null)
{
flag = true;
return flag;
}
else
{
IEnumerable<IEdmFunction> edmFunctions = current.FindDeclaredFunctions(functionFullName);
IEnumerable<IEdmFunction> edmFunctions1 = edmFunctions;
if (edmFunctions == null)
{
edmFunctions1 = Enumerable.Empty<IEdmFunction>();
}
IEnumerable<IEdmFunction> edmFunctions2 = edmFunctions1;
IEnumerable<IEdmFunction> edmFunctions3 = edmFunctions2;
if (func == null)
{
func = (IEdmFunction existingFunction) => function.IsFunctionSignatureEquivalentTo(existingFunction);
}
if (!edmFunctions3.Any<IEdmFunction>(func))
{
continue;
}
flag = true;
return flag;
}
}
return false;
}
return flag;
}
public static void AddFunctionParameters(IEdmFunction function, string paramName, object paramValue,
IDictionary<string, object> routeData, IDictionary<string, object> values, IDictionary<string, string> paramMapping)
{
Contract.Assert(function != null);
// using the following codes to support [FromODataUriAttribute]
IEdmOperationParameter edmParam = function.FindParameter(paramName);
Contract.Assert(edmParam != null);
ODataParameterValue parameterValue = new ODataParameterValue(paramValue, edmParam.Type);
string name = paramName;
if (paramMapping != null)
{
Contract.Assert(paramMapping.ContainsKey(paramName));
name = paramMapping[paramName];
}
string prefixName = ODataParameterValue.ParameterValuePrefix + name;
values[prefixName] = parameterValue;
// using the following codes to support [FromUriAttribute]
if (!routeData.ContainsKey(name))
{
routeData.Add(name, paramValue);
}
ODataNullValue nullValue = paramValue as ODataNullValue;
if (nullValue != null)
{
routeData[name] = null;
}
ODataEnumValue enumValue = paramValue as ODataEnumValue;
if (enumValue != null)
{
// Remove the type name of the ODataEnumValue and keep the value.
routeData[name] = enumValue.Value;
}
}
public static bool IsBoundTo(IEdmFunction function, IEdmType type)
{
Contract.Assert(function != null);
Contract.Assert(type != null);
// The binding parameter is the first parameter by convention
IEdmOperationParameter bindingParameter = function.Parameters.FirstOrDefault();
if (bindingParameter == null)
{
return false;
}
IEdmType fromType;
if (bindingParameter.Type.Definition.TypeKind == EdmTypeKind.Collection)
{
fromType = ((IEdmCollectionType)bindingParameter.Type.Definition).ElementType.Definition;
}
else
{
fromType = bindingParameter.Type.Definition;
}
return fromType == type;
}
IEdmObject InvokeFuncComplex(IEdmFunction func, JObject parameterValues, ODataQueryOptions queryOptions = null)
{
IEdmType edmType = func.ReturnType.Definition;
IEdmType elementType = null;
var rtv = new EdmComplexObject(edmType as IEdmComplexType);
object obj;
rtv.TryGetPropertyValue("$Results", out obj);
EdmComplexObjectCollection collection = obj as EdmComplexObjectCollection;
var colltype = (edmType as IEdmComplexType).FindProperty("$Results").Type.Definition;
elementType = (colltype as IEdmCollectionType).ElementType.Definition;
using (DbAccess db = new DbAccess(this.ConnectionString))
{
var par = db.ExecuteReader(func.Name, (reader) =>
{
EdmComplexObject entity = new EdmComplexObject(elementType as IEdmComplexType);
for (int i = 0; i < reader.FieldCount; i++)
{
reader.SetEntityPropertyValue(i, entity);
}
collection.Add(entity);
}, (pars) =>
{
SetParameter(func, parameterValues, edmType, pars);
var d1 = this.ParameterInfos[func.Name];
foreach (var p in (edmType as IEdmComplexType).Properties())
{
if (p.Name == "$Results")
continue;
var pp = d1[p.Name];
pars.Add(new SqlParameter(p.Name, pp.SqlDbType, pp.Length)
{
Direction = ParameterDirection.Output
});
}
});
foreach (var outp in (edmType as IEdmComplexType).Properties())
{
if (outp.Name == "$Results")
continue;
var v = par[outp.Name].Value;
if (DBNull.Value != v)
rtv.TrySetPropertyValue(outp.Name, v);
}
}
return rtv;
}
IEdmObject InvokeTVF(IEdmFunction func, JObject parameterValues, ODataQueryOptions queryOptions = null)
{
IEdmType edmType = func.ReturnType.Definition;
IEdmType elementType = (edmType as IEdmCollectionType).ElementType.Definition;
EdmComplexObjectCollection collection = new EdmComplexObjectCollection(new EdmCollectionTypeReference(edmType as IEdmCollectionType));
var target = BuildTVFTarget(func, parameterValues);
var cmd = BuildSqlQueryCmd(queryOptions, target);
using (DbAccess db = new DbAccess(this.ConnectionString))
{
db.ExecuteReader(cmd, (reader) =>
{
EdmComplexObject entity = new EdmComplexObject(elementType as IEdmComplexType);
for (int i = 0; i < reader.FieldCount; i++)
{
reader.SetEntityPropertyValue(i, entity);
}
collection.Add(entity);
}, null, CommandType.Text);
}
return collection;
}
static void SetParameter(IEdmFunction func, JObject parameterValues, IEdmType edmType, SqlParameterCollection pars)
{
if (parameterValues == null)
return;
JToken token = null;
Type colType = null;
foreach (var p in func.Parameters)
{
if (parameterValues.TryGetValue(p.Name, out token))
{
if (p.Type.Definition.TypeKind == EdmTypeKind.Complex)
{
DataTable dt = new DataTable();
var c = p.Type.AsComplex();
foreach (var item in c.StructuralProperties())
{
dt.Columns.Add(item.Name, item.Type.PrimitiveKind().ToClrType());
}
foreach (var item in token)
{
DataRow dr = dt.NewRow();
foreach (JProperty col in item)
{
if (!dt.Columns.Contains(col.Name))
continue;
colType = dt.Columns[col.Name].DataType;
if (colType == typeof(Boolean))
{
dr.SetField(col.Name, col.Value.ToString() == "0" ? false : true);
}
else
dr.SetField(col.Name, col.Value.ToString().ChangeType(colType));
}
dt.Rows.Add(dr);
}
pars.AddWithValue(p.Name, dt);
}
else
{
if (string.IsNullOrEmpty(token.ToString()))
pars.AddWithValue(p.Name, DBNull.Value);
else
pars.AddWithValue(p.Name, token.ToString().ChangeType(p.Type.PrimitiveKind()));
}
}
}
if (edmType.TypeKind == EdmTypeKind.Entity)
{
foreach (var outp in (edmType as EdmEntityType).Properties())
{
if (outp.Name == "$Results")
continue;
if (pars.Contains(outp.Name))
{
pars[outp.Name].Direction = ParameterDirection.Output;
}
else
{
pars.AddWithValue(outp.Name, DBNull.Value);
}
}
}
}
IEdmObject InvokeFuncCollection(IEdmFunction func, JObject parameterValues, ODataQueryOptions queryOptions = null)
{
IEdmType edmType = func.ReturnType.Definition;
IEdmType elementType = (edmType as IEdmCollectionType).ElementType.Definition;
EdmComplexObjectCollection collection = new EdmComplexObjectCollection(new EdmCollectionTypeReference(edmType as IEdmCollectionType));
using (DbAccess db = new DbAccess(this.ConnectionString))
{
db.ExecuteReader(func.Name, (reader) =>
{
EdmComplexObject entity = new EdmComplexObject(elementType as IEdmComplexType);
for (int i = 0; i < reader.FieldCount; i++)
{
reader.SetEntityPropertyValue(i, entity);
}
collection.Add(entity);
}, (pars) =>
{
SetParameter(func, parameterValues, edmType, pars);
});
}
return collection;
}
public virtual ODataFunction CreateODataFunction(IEdmFunction function, EntityInstanceContext entityInstanceContext)
{
if (function == null)
{
throw Error.ArgumentNull("function");
}
if (entityInstanceContext == null)
{
throw Error.ArgumentNull("entityInstanceContext");
}
IEdmModel model = entityInstanceContext.EdmModel;
FunctionLinkBuilder builder = model.GetFunctionLinkBuilder(function);
if (builder == null)
{
return null;
}
return CreateODataOperation(function, builder, entityInstanceContext) as ODataFunction;
}
private bool IsMatchingFunction(IEdmFunction function)
{
IEnumerable<EdmError> edmErrors = null;
bool flag;
if (function.Parameters.Count<IEdmFunctionParameter>() == this.Arguments.Count<IEdmExpression>())
{
IEnumerator<IEdmExpression> enumerator = this.Arguments.GetEnumerator();
IEnumerator<IEdmFunctionParameter> enumerator1 = function.Parameters.GetEnumerator();
using (enumerator1)
{
while (enumerator1.MoveNext())
{
IEdmFunctionParameter current = enumerator1.Current;
enumerator.MoveNext();
if (enumerator.Current.TryAssertType(current.Type, out edmErrors))
{
continue;
}
flag = false;
return flag;
}
return true;
}
return flag;
}
else
{
return false;
}
}
static string BuildTVFTarget(IEdmFunction func, JObject parameterValues)
{
string templete = "{0}({1})";
List<string> ps = new List<string>();
foreach (var p in func.Parameters)
{
ps.Add(parameterValues[p.Name].ToString());
}
return string.Format(templete, func.Name, string.Join(",", ps));
}
/// <summary>
/// Creates and adds a function import to this entity container.
/// </summary>
/// <param name="name">Name of the function import.</param>
/// <param name="function">The function of the specified function import.</param>
/// <param name="entitySet">An entity set containing entities returned by this function import.
/// The two expression kinds supported are <see cref="IEdmEntitySetReferenceExpression"/> and <see cref="IEdmPathExpression"/>.</param>
/// <param name="includeInServiceDocument">A value indicating whether this function import will be in the service document.</param>
/// <returns>Created operation import.</returns>
public virtual EdmOperationImport AddFunctionImport(string name, IEdmFunction function, IEdmExpression entitySet, bool includeInServiceDocument)
{
EdmOperationImport functionImport = new EdmFunctionImport(this, name, function, entitySet, includeInServiceDocument);
this.AddElement(functionImport);
return functionImport;
}
/// <summary>
/// Initializes a new instance of the <see cref="EdmFunctionImport"/> class.
/// </summary>
/// <param name="container">The container.</param>
/// <param name="name">The name.</param>
/// <param name="function">The function.</param>
public EdmFunctionImport(IEdmEntityContainer container, string name, IEdmFunction function)
: this(container, name, function, null, false)
{
}
public CsdlSemanticsFunctionImport(CsdlSemanticsEntityContainer container, CsdlFunctionImport functionImport, IEdmFunction backingfunction)
: base(container, functionImport, backingfunction)
{
this.csdlSchema = container.Context;
this.functionImport = functionImport;
}
/// <summary>
/// Initializes a new <see cref="IEdmOperationImport"/> instance.
/// </summary>
/// <param name="name">name of the service operation.</param>
/// <param name="function">Function imported in.</param>
/// <param name="resultSet">EntitySet of the result expected from this operation.</param>
public EdmFunctionImport AddFunctionImport(string name, IEdmFunction function, IEdmEntitySet resultSet, bool includeInServiceDocument)
{
var functionImport = new EdmFunctionImport(this, name, function, new EdmEntitySetReferenceExpression(resultSet), includeInServiceDocument);
this.AddOperationImport(name, functionImport);
return functionImport;
}
public EdmApplyExpression(IEdmFunction appliedFunction, IEdmExpression[] arguments) : this(appliedFunction, (IEnumerable<IEdmExpression>)arguments)
{
}
public IEnumerable<IEdmFunction> FindDeclaredFunctions(string qualifiedName)
{
object obj = null;
if (!this.functionDictionary.TryGetValue(qualifiedName, out obj))
{
return Enumerable.Empty<IEdmFunction>();
}
else
{
List<IEdmFunction> edmFunctions = obj as List<IEdmFunction>;
if (edmFunctions == null)
{
IEdmFunction[] edmFunctionArray = new IEdmFunction[1];
edmFunctionArray[0] = (IEdmFunction)obj;
return edmFunctionArray;
}
else
{
return edmFunctions;
}
}
}
private static IEnumerable<IEdmOperationParameter> GetNonBindingParameters(IEdmFunction function)
{
IEnumerable<IEdmOperationParameter> functionParameters = function.Parameters;
if (function.IsBound)
{
// skip the binding parameter(first one by convention) for matching.
functionParameters = functionParameters.Skip(1);
}
return functionParameters;
}
public static FunctionLinkBuilder GetFunctionLinkBuilder(this IEdmModel model, IEdmFunction function)
{
if (model == null)
{
throw Error.ArgumentNull("model");
}
if (function == null)
{
throw Error.ArgumentNull("function");
}
FunctionLinkBuilder functionLinkBuilder = model.GetAnnotationValue<FunctionLinkBuilder>(function);
if (functionLinkBuilder == null)
{
if (function.Parameters != null)
{
if (function.Parameters.First().Type.IsEntity())
{
functionLinkBuilder = new FunctionLinkBuilder(
(EntityInstanceContext entityInstanceContext) =>
entityInstanceContext.GenerateFunctionLink(function),
followsConventions: true);
}
else if (function.Parameters.First().Type.IsCollection())
{
functionLinkBuilder =
new FunctionLinkBuilder(
(FeedContext feedContext) => feedContext.GenerateFunctionLink(function),
followsConventions: true);
}
}
model.SetFunctionLinkBuilder(function, functionLinkBuilder);
}
return functionLinkBuilder;
}
private static bool IsMatch(IEdmFunction function, HashSet<string> parameterNamesSet)
{
IEnumerable<IEdmOperationParameter> nonBindingParameters = GetNonBindingParameters(function);
return parameterNamesSet.SetEquals(nonBindingParameters.Select(p => p.Name));
}
public EdmApplyExpression(IEdmFunction appliedFunction, IEnumerable<IEdmExpression> arguments) : this(new EdmFunctionReferenceExpression(EdmUtil.CheckArgumentNull<IEdmFunction>(appliedFunction, "appliedFunction")), arguments)
{
}
public int GetFuncResultCount(IEdmFunction func, JObject parameterValues, ODataQueryOptions queryOptions)
{
int count = 0;
IEdmType edmType = func.ReturnType.Definition;
if (this.PermissionCheck != null && !this.PermissionCheck(MethodType.Count, func.Name))
{
throw new UnauthorizedAccessException();
}
if (TVFList.Contains(func.Name))
{
var target = BuildTVFTarget(func, parameterValues);
var cmd = BuildSqlQueryCmd(queryOptions, target);
using (DbAccess db = new DbAccess(this.ConnectionString))
{
var r = db.ExecuteScalar(cmd, null, CommandType.Text);
if (r != null)
count = (int)r;
}
}
return count;
}
public IEdmObject InvokeFunction(IEdmFunction func, JObject parameterValues, ODataQueryOptions queryOptions = null)
{
if (this.PermissionCheck != null && !this.PermissionCheck(MethodType.Func, func.Name))
{
throw new UnauthorizedAccessException();
}
if (TVFList.Contains(func.Name))
return InvokeTVF(func, parameterValues, queryOptions);
IEdmType edmType = func.ReturnType.Definition;
if (edmType.TypeKind == EdmTypeKind.Collection)
return InvokeFuncCollection(func, parameterValues, queryOptions);
return InvokeFuncComplex(func, parameterValues, queryOptions);
}
/// <summary>
/// Creates and adds a function import to this entity container.
/// </summary>
/// <param name="name">Name of the function import.</param>
/// <param name="function">The function of the specified function import.</param>
/// <returns>Created function import.</returns>
public virtual EdmFunctionImport AddFunctionImport(string name, IEdmFunction function)
{
EdmFunctionImport functionImport = new EdmFunctionImport(this, name, function);
this.AddElement(functionImport);
return functionImport;
}
static string BuildTVFTarget(IEdmFunction func, JObject parameterValues)
{
string templete = "{0}({1})";
List<string> ps = new List<string>();
foreach (var p in func.Parameters)
{
if (p.Type.IsGuid()
|| p.Type.IsString()
|| p.Type.IsDateTimeOffset())
ps.Add(string.Format("'{0}'", parameterValues[p.Name].ToString()));
else
ps.Add(parameterValues[p.Name].ToString());
}
return string.Format(templete, func.Name, string.Join(",", ps));
}
private bool IsMatchingFunction(IEdmFunction function)
{
if (function.Parameters.Count() != this.Arguments.Count())
{
return false;
}
IEnumerator<IEdmExpression> parameterExpressionEnumerator = this.Arguments.GetEnumerator();
foreach (IEdmFunctionParameter parameter in function.Parameters)
{
parameterExpressionEnumerator.MoveNext();
IEnumerable<EdmError> recursiveErrors;
if (!parameterExpressionEnumerator.Current.TryAssertType(parameter.Type, out recursiveErrors))
{
return false;
}
}
return true;
}
public EdmFunctionReferenceExpression(IEdmFunction referencedFunction)
{
EdmUtil.CheckArgumentNull<IEdmFunction>(referencedFunction, "referencedFunction");
this.referencedFunction = referencedFunction;
}