public override void AppendDynamicProperties(ODataResource resource, SelectExpandNode selectExpandNode, ResourceContext resourceContext)
{
// add expanded field
//public static EdmNavigationProperty CreateNavigationProperty(IEdmStructuredType declaringType, EdmNavigationPropertyInfo propertyInfo);
if (isFirstTime)
{
selectExpandNode.SelectedNavigationProperties.Add(EdmNavigationProperty.CreateNavigationProperty(
new EdmEntityType("EntityTypeNamespace", "EntityTypeName"),
new EdmNavigationPropertyInfo()
{
Name = "PropertyInfoName",
Target = new EdmEntityType("EntityTypeNamespace", "EntityTypeName2"),
TargetMultiplicity = EdmMultiplicity.One
}
));
isFirstTime = false;
}
// add property
var list = resource.Properties.ToList();
list.Add(new ODataProperty()
{
Name = "MyCustomProp", Value = "This Thing"
});
resource.Properties = list.AsEnumerable();
base.AppendDynamicProperties(resource, selectExpandNode, resourceContext);
}
public ODataNavigationPropertySegmentTests()
{
_entityType = new EdmEntityType("NS", "Entity");
EdmNavigationPropertyInfo propertyInfo = new EdmNavigationPropertyInfo
{
Name = "Nav",
TargetMultiplicity = EdmMultiplicity.One,
Target = _entityType
};
_property = EdmNavigationProperty.CreateNavigationProperty(_entityType, propertyInfo);
}
private static IEdmNavigationSource GetContainedEntitySet(EdmModel model, EdmEntityType type)
{
EdmEntitySet entitySet = GetEntitySet(model, type);
var containedEntity = GetContainedEntityType(model);
var navigationPropertyInfo = new EdmNavigationPropertyInfo()
{
Name = "nav",
Target = containedEntity,
TargetMultiplicity = EdmMultiplicity.Many, // todo: TargetMultiplicity info seems lost in V4
ContainsTarget = true
};
EdmNavigationProperty navigationProperty = EdmNavigationProperty.CreateNavigationProperty(type, navigationPropertyInfo);
type.AddUnidirectionalNavigation(navigationPropertyInfo);
IEdmNavigationSource containedEntitySet = entitySet.FindNavigationTarget(navigationProperty);
return(containedEntitySet);
}
public void KindPropertyReturnsNavigationProperty()
{
// Arrange
EdmNavigationPropertyInfo propertyInfo = new EdmNavigationPropertyInfo
{
Name = "Nav",
TargetMultiplicity = EdmMultiplicity.One,
Target = _compositeKeyEntityType
};
var property = EdmNavigationProperty.CreateNavigationProperty(_simpleKeyEntityType, propertyInfo);
ODataNavigationPropertySegment npSegment = new ODataNavigationPropertySegment(property);
ODataNavigationSourceSegment nsSegment = new ODataNavigationSourceSegment(_simpleKeyEntitySet);
ODataKeySegment keySegment = new ODataKeySegment(_simpleKeyEntityType);
ODataPath path = new ODataPath(nsSegment, keySegment, npSegment);
// Act & Assert
Assert.Equal(ODataPathKind.NavigationProperty, path.Kind);
}
public void Build(EntityTypeInfo typeInfo)
{
foreach ((PropertyInfo many, PropertyInfo join) in GetManyToManyInfo(_metadataProvider, typeInfo.ClrType))
{
if (many == null || many.DeclaringType != typeInfo.ClrType)
{
continue;
}
IEdmNavigationProperty joinNavigationProperty = GetJoinNavigationProperty(typeInfo, join.DeclaringType);
if (joinNavigationProperty == null)
{
continue;
}
EntityTypeInfo principalInfo = _entityTypeInfos[join.PropertyType];
EntityTypeInfo dependentInfo = _entityTypeInfos[many.DeclaringType];
var edmDependentInfo = new EdmNavigationPropertyInfo()
{
ContainsTarget = true,
Name = many.Name,
OnDelete = EdmOnDeleteAction.None,
PrincipalProperties = principalInfo.EdmType.DeclaredKey,
Target = principalInfo.EdmType,
TargetMultiplicity = EdmMultiplicity.Many
};
IEdmNavigationProperty edmManyToManyProperty;
if (typeInfo.ClrType.GetProperty(many.Name) == null)
{
IEdmNavigationProperty edmNavigationProperty = EdmNavigationProperty.CreateNavigationProperty(dependentInfo.EdmType, edmDependentInfo);
edmManyToManyProperty = new OeEdmNavigationShadowProperty(edmNavigationProperty, many);
dependentInfo.EdmType.AddProperty(edmManyToManyProperty);
}
else
{
edmManyToManyProperty = dependentInfo.EdmType.AddUnidirectionalNavigation(edmDependentInfo);
}
var targetNavigationProperty = (IEdmNavigationProperty)_entityTypeInfos[join.DeclaringType].EdmType.GetPropertyIgnoreCase(join.Name);
var manyToManyJoinDescription = new ManyToManyJoinDescription(join.DeclaringType, joinNavigationProperty, targetNavigationProperty);
_edmModel.SetAnnotationValue(edmManyToManyProperty, manyToManyJoinDescription);
}
}
public void ParseComputeAsExpandQueryOption()
{
// Create model
EdmModel model = new EdmModel();
EdmEntityType elementType = model.AddEntityType("DevHarness", "Entity");
EdmEntityType targetType = model.AddEntityType("DevHarness", "Navigation");
EdmTypeReference typeReference = new EdmStringTypeReference(EdmCoreModel.Instance.GetPrimitiveType(EdmPrimitiveTypeKind.String), false);
targetType.AddProperty(new EdmStructuralProperty(targetType, "Prop1", typeReference));
EdmNavigationPropertyInfo propertyInfo = new EdmNavigationPropertyInfo();
propertyInfo.Name = "Nav1";
propertyInfo.Target = targetType;
propertyInfo.TargetMultiplicity = EdmMultiplicity.One;
EdmProperty navigation = EdmNavigationProperty.CreateNavigationProperty(elementType, propertyInfo);
elementType.AddProperty(navigation);
EdmEntityContainer container = model.AddEntityContainer("Default", "Container");
container.AddEntitySet("Entities", elementType);
// Define queries and new up parser.
Uri root = new Uri("http://host");
Uri url = new Uri("http://host/Entities?$expand=Nav1($compute=cast(Prop1, 'Edm.String') as NavProperty1AsString)");
ODataUriParser parser = new ODataUriParser(model, root, url);
// parse and validate
SelectExpandClause clause = parser.ParseSelectAndExpand();
List <SelectItem> items = clause.SelectedItems.ToList();
items.Count.Should().Be(1);
ExpandedNavigationSelectItem expanded = items[0] as ExpandedNavigationSelectItem;
List <ComputeExpression> computes = expanded.ComputeOption.ComputedItems.ToList();
computes.Count.Should().Be(1);
computes[0].Alias.ShouldBeEquivalentTo("NavProperty1AsString");
computes[0].Expression.ShouldBeSingleValueFunctionCallQueryNode();
computes[0].Expression.TypeReference.ShouldBeEquivalentTo(typeReference);
}
public void ParseComputeAsLevel2ExpandQueryOption()
{
// Create model
EdmModel model = new EdmModel();
EdmEntityType elementType = model.AddEntityType("DevHarness", "Entity");
EdmEntityType targetType = model.AddEntityType("DevHarness", "Navigation");
EdmEntityType subTargetType = model.AddEntityType("DevHarness", "SubNavigation");
EdmTypeReference typeReference = new EdmStringTypeReference(EdmCoreModel.Instance.GetPrimitiveType(EdmPrimitiveTypeKind.String), false);
elementType.AddProperty(new EdmStructuralProperty(elementType, "Prop1", typeReference));
targetType.AddProperty(new EdmStructuralProperty(targetType, "Prop1", typeReference));
subTargetType.AddProperty(new EdmStructuralProperty(subTargetType, "Prop1", typeReference));
EdmNavigationPropertyInfo propertyInfo = new EdmNavigationPropertyInfo();
propertyInfo.Name = "Nav1";
propertyInfo.Target = targetType;
propertyInfo.TargetMultiplicity = EdmMultiplicity.One;
EdmProperty navigation = EdmNavigationProperty.CreateNavigationProperty(elementType, propertyInfo);
elementType.AddProperty(navigation);
EdmNavigationPropertyInfo subPropertyInfo = new EdmNavigationPropertyInfo();
subPropertyInfo.Name = "SubNav1";
subPropertyInfo.Target = subTargetType;
subPropertyInfo.TargetMultiplicity = EdmMultiplicity.One;
EdmProperty subnavigation = EdmNavigationProperty.CreateNavigationProperty(targetType, subPropertyInfo);
targetType.AddProperty(subnavigation);
EdmEntityContainer container = model.AddEntityContainer("Default", "Container");
container.AddEntitySet("Entities", elementType);
// Define queries and new up parser.
string address = "http://host/Entities?$compute=cast(Prop1, 'Edm.String') as Property1AsString, tolower(Prop1) as Property1Lower&" +
"$expand=Nav1($compute=cast(Prop1, 'Edm.String') as NavProperty1AsString;" +
"$expand=SubNav1($compute=cast(Prop1, 'Edm.String') as SubNavProperty1AsString))";
Uri root = new Uri("http://host");
Uri url = new Uri(address);
ODataUriParser parser = new ODataUriParser(model, root, url);
// parse
ComputeClause computeClause = parser.ParseCompute();
SelectExpandClause selectClause = parser.ParseSelectAndExpand();
// validate top compute
List <ComputeExpression> items = computeClause.ComputedItems.ToList();
items.Count().Should().Be(2);
items[0].Alias.ShouldBeEquivalentTo("Property1AsString");
items[0].Expression.ShouldBeSingleValueFunctionCallQueryNode();
items[0].Expression.TypeReference.ShouldBeEquivalentTo(typeReference);
items[1].Alias.ShouldBeEquivalentTo("Property1Lower");
items[1].Expression.ShouldBeSingleValueFunctionCallQueryNode();
items[1].Expression.TypeReference.FullName().ShouldBeEquivalentTo("Edm.String");
items[1].Expression.TypeReference.IsNullable.ShouldBeEquivalentTo(true); // tolower is built in function that allows nulls.
// validate level 1 expand compute
List <SelectItem> selectItems = selectClause.SelectedItems.ToList();
selectItems.Count.Should().Be(1);
ExpandedNavigationSelectItem expanded = selectItems[0] as ExpandedNavigationSelectItem;
List <ComputeExpression> computes = expanded.ComputeOption.ComputedItems.ToList();
computes.Count.Should().Be(1);
computes[0].Alias.ShouldBeEquivalentTo("NavProperty1AsString");
computes[0].Expression.ShouldBeSingleValueFunctionCallQueryNode();
computes[0].Expression.TypeReference.ShouldBeEquivalentTo(typeReference);
// validate level 2 expand compute
List <SelectItem> subSelectItems = expanded.SelectAndExpand.SelectedItems.ToList();
subSelectItems.Count.Should().Be(1);
ExpandedNavigationSelectItem subExpanded = subSelectItems[0] as ExpandedNavigationSelectItem;
List <ComputeExpression> subComputes = subExpanded.ComputeOption.ComputedItems.ToList();
subComputes.Count.Should().Be(1);
subComputes[0].Alias.ShouldBeEquivalentTo("SubNavProperty1AsString");
subComputes[0].Expression.ShouldBeSingleValueFunctionCallQueryNode();
subComputes[0].Expression.TypeReference.ShouldBeEquivalentTo(typeReference);
}
