/// <summary>
/// If this reference is of an entity reference type, this will return a valid entity reference type reference to the type definition. Otherwise, it will return a bad entity reference type reference.
/// </summary>
/// <param name="type">Reference to the calling object.</param>
/// <returns>A valid entity reference type reference if the definition of the reference is of an entity reference type. Otherwise a bad entity reference type reference.</returns>
public static IEdmEntityReferenceTypeReference AsEntityReference(this IEdmTypeReference type)
{
EdmUtil.CheckArgumentNull(type, "type");
IEdmEntityReferenceTypeReference reference = type as IEdmEntityReferenceTypeReference;
if (reference != null)
{
return(reference);
}
IEdmType typeDefinition = type.Definition;
if (typeDefinition.TypeKind == EdmTypeKind.EntityReference)
{
return(new EdmEntityReferenceTypeReference((IEdmEntityReferenceType)typeDefinition, type.IsNullable));
}
List <EdmError> errors = new List <EdmError>(type.Errors());
if (errors.Count == 0)
{
errors.AddRange(ConversionError(type.Location(), type.FullName(), EdmConstants.Type_EntityReference));
}
return(new EdmEntityReferenceTypeReference(new BadEntityReferenceType(errors), type.IsNullable));
}
public static IEdmEntityReferenceTypeReference AsEntityReference(this IEdmTypeReference type)
{
EdmUtil.CheckArgumentNull <IEdmTypeReference>(type, "type");
IEdmEntityReferenceTypeReference edmEntityReferenceTypeReference = type as IEdmEntityReferenceTypeReference;
if (edmEntityReferenceTypeReference == null)
{
IEdmType definition = type.Definition;
if (definition.TypeKind != EdmTypeKind.EntityReference)
{
List <EdmError> edmErrors = new List <EdmError>(type.Errors());
if (edmErrors.Count == 0)
{
edmErrors.AddRange(EdmTypeSemantics.ConversionError(type.Location(), type.FullName(), "EntityReference"));
}
return(new EdmEntityReferenceTypeReference(new BadEntityReferenceType(edmErrors), type.IsNullable));
}
else
{
return(new EdmEntityReferenceTypeReference((IEdmEntityReferenceType)definition, type.IsNullable));
}
}
else
{
return(edmEntityReferenceTypeReference);
}
}
protected override void ProcessEntityReferenceTypeReference(IEdmEntityReferenceTypeReference element)
{
this.CheckSchemaElementReference(element.EntityType());
}
public void CsdlTypeReferenceToStringTest()
{
const string csdl =
@"<?xml version=""1.0"" encoding=""utf-16""?>
<Schema Namespace=""AwesomeNamespace"" Alias=""Alias"" xmlns=""http://docs.oasis-open.org/odata/ns/edm"">
<EntityType Name=""AstonishingEntity"">
<Key>
<PropertyRef Name=""Id"" />
</Key>
<Property Name=""Id"" Type=""Int32"" Nullable=""false"" />
</EntityType>
<EntityType Name=""AweInspiringEntity"">
<Key>
<PropertyRef Name=""Id"" />
</Key>
<Property Name=""Id"" Type=""Int32"" Nullable=""false"" />
<Property Name=""AstonishingID"" Type=""Int32"" />
</EntityType>
<ComplexType Name=""BreathtakingComplex"">
<Property Name=""Par1"" Type=""Int32"" Nullable=""false"" />
<Property Name=""Par2"" Type=""Int32"" Nullable=""false"" />
</ComplexType>
<Function Name=""Function1""><ReturnType Type=""Edm.Int32""/>
<Parameter Name=""P1"" Type=""AwesomeNamespace.AstonishingEntity"" />
<Parameter Name=""P2"" Type=""AwesomeNamespace.BreathtakingComplex"" />
<Parameter Name=""P3"" Type=""AwesomeNamespace.ExaltedAssociation"" />
<Parameter Name=""P4"" Type=""Edm.Int32"" />
<Parameter Name=""P5"" Type=""Edm.String"" MaxLength=""128"" Unicode=""false"" />
<Parameter Name=""P6"" Type=""Edm.Stream"" />
<Parameter Name=""P7"" Type=""Edm.Binary"" MaxLength=""max""/>
<Parameter Name=""P8"" Type=""Edm.DateTimeOffset"" Precision=""1"" />
<Parameter Name=""P9"" Type=""Edm.Decimal"" Precision=""3"" Scale=""2""/>
<Parameter Name=""P10"" Type=""Edm.Geography"" SRID=""1"" />
<Parameter Name=""P11"" Type=""Ref(AwesomeNamespace.AstonishingEntity)"" />
<Parameter Name=""P12"" Type=""Collection(Edm.Int32)"" />
<Parameter Name=""P14"" Type=""AwesomeNamespace.FabulousEnum"" />
</Function>
<EnumType Name=""FabulousEnum"">
<Member Name=""m1"" />
<Member Name=""m2"" />
</EnumType>
</Schema>";
IEdmModel model;
IEnumerable <EdmError> errors;
bool parsed = CsdlReader.TryParse(new XmlReader[] { XmlReader.Create(new StringReader(csdl)) }, out model, out errors);
Assert.IsTrue(parsed, "parsed");
Assert.IsTrue(errors.Count() == 0, "No errors");
IEdmOperation operation = (IEdmOperation)(model.FindOperations("AwesomeNamespace.Function1")).First();
IEdmEntityTypeReference entity = operation.FindParameter("P1").Type.AsEntity();
IEdmComplexTypeReference complex = operation.FindParameter("P2").Type.AsComplex();
IEdmTypeReference association = operation.FindParameter("P3").Type;
IEdmPrimitiveTypeReference primitive = operation.FindParameter("P4").Type.AsPrimitive();
IEdmStringTypeReference stringType = operation.FindParameter("P5").Type.AsString();
IEdmPrimitiveTypeReference stream = operation.FindParameter("P6").Type.AsPrimitive();
IEdmBinaryTypeReference binary = operation.FindParameter("P7").Type.AsBinary();
IEdmTemporalTypeReference temporal = operation.FindParameter("P8").Type.AsTemporal();
IEdmDecimalTypeReference decimalType = operation.FindParameter("P9").Type.AsDecimal();
IEdmSpatialTypeReference spatial = operation.FindParameter("P10").Type.AsSpatial();
IEdmEntityReferenceTypeReference entityRef = operation.FindParameter("P11").Type.AsEntityReference();
IEdmCollectionTypeReference collection = operation.FindParameter("P12").Type.AsCollection();
IEdmEnumTypeReference enumTypeRef = operation.FindParameter("P14").Type.AsEnum();
IEdmTypeReference type = operation.FindParameter("P1").Type;
Assert.IsFalse(association.IsBad(), "Associations cannot be types");
Assert.IsTrue(association.Definition.IsBad(), "Associations cannot be types");
Assert.AreEqual("[AwesomeNamespace.AstonishingEntity Nullable=True]", entity.ToString(), "To string correct");
Assert.AreEqual("[AwesomeNamespace.BreathtakingComplex Nullable=True]", complex.ToString(), "To string correct");
Assert.AreEqual("[Edm.Int32 Nullable=True]", primitive.ToString(), "To string correct");
Assert.AreEqual("[Edm.String Nullable=True MaxLength=128 Unicode=False]", stringType.ToString(), "To string correct");
Assert.AreEqual("[Edm.Stream Nullable=True]", stream.ToString(), "To string correct");
Assert.AreEqual("[Edm.Binary Nullable=True MaxLength=max]", binary.ToString(), "To string correct");
Assert.AreEqual("[Edm.DateTimeOffset Nullable=True Precision=1]", temporal.ToString(), "To string correct");
Assert.AreEqual("[Edm.Decimal Nullable=True Precision=3 Scale=2]", decimalType.ToString(), "To string correct");
Assert.AreEqual("[Edm.Geography Nullable=True SRID=1]", spatial.ToString(), "To string correct");
Assert.AreEqual("[Collection([Edm.Int32 Nullable=True]) Nullable=True]", collection.ToString(), "To string correct");
Assert.AreEqual("[EntityReference(AwesomeNamespace.AstonishingEntity) Nullable=True]", entityRef.ToString(), "To string correct");
Assert.AreEqual("[AwesomeNamespace.FabulousEnum Nullable=True]", enumTypeRef.ToString(), "To string correct");
Assert.AreEqual("[AwesomeNamespace.AstonishingEntity Nullable=True]", type.ToString(), "To string correct");
}
protected virtual void ProcessEntityReferenceTypeReference(IEdmEntityReferenceTypeReference reference)
{
this.ProcessTypeReference(reference);
this.ProcessEntityReferenceType(reference.EntityReferenceDefinition());
}
protected override void ProcessEntityReferenceTypeReference(IEdmEntityReferenceTypeReference element)
{
this.CheckSchemaElementReference(element.EntityType());
}
