public void EntityType_reference_extensions()
{
IEdmModel edmModel = this.GetEdmModel();
IEdmEntityType derivedEntityType = edmModel.SchemaElements.OfType <IEdmEntityType>().First(c => c.BaseType != null);
IEdmEntityType baseEntityType = derivedEntityType.BaseEntityType();
Assert.IsNotNull(baseEntityType, "Base entity type should not be null!");
IEdmEntityTypeReference derivedEntityTypeRef = (IEdmEntityTypeReference)derivedEntityType.ToTypeReference();
Assert.AreEqual(baseEntityType, derivedEntityTypeRef.BaseEntityType(), "EntityTypeReference.BaseEntityType()");
Assert.AreEqual(baseEntityType, derivedEntityTypeRef.BaseType(), "EntityTypeReference.BaseType()");
Assert.AreEqual(derivedEntityType.IsAbstract, derivedEntityTypeRef.IsAbstract(), "StructuralTypeReference.IsAbstract()");
Assert.AreEqual(derivedEntityType.IsOpen, derivedEntityTypeRef.IsOpen(), "StructuralTypeReference.IsOpen()");
Assert.AreEqual(derivedEntityType.DeclaredStructuralProperties().Count(), derivedEntityTypeRef.DeclaredStructuralProperties().Count(), "StructuralTypeReference.DeclaredStructuralProperties()");
Assert.AreEqual(derivedEntityType.StructuralProperties().Count(), derivedEntityTypeRef.StructuralProperties().Count(), "StructuralTypeReference.StructuralProperties()");
Assert.AreEqual(derivedEntityType.DeclaredNavigationProperties().Count(), derivedEntityTypeRef.DeclaredNavigationProperties().Count(), "EntityTypeReference.DeclaredNavigationProperties()");
Assert.AreEqual(derivedEntityType.NavigationProperties().Count(), derivedEntityTypeRef.NavigationProperties().Count(), "EntityTypeReference.NavigationProperties()");
IEdmNavigationProperty result = derivedEntityTypeRef.FindNavigationProperty("_Not_Exist_");
Assert.IsNull(result, "Should not find Navigation Property {0}", "_Not_Exist_");
var navigation = derivedEntityType.NavigationProperties().First();
result = derivedEntityTypeRef.FindNavigationProperty(navigation.Name);
Assert.AreEqual(navigation, result, "FindNavigationProperty({0})", navigation.Name);
}
/// <summary>
/// Creates a new instance of the backing CLR object for the given entity type.
/// </summary>
/// <param name="entityType">The EDM type of the entity to create.</param>
/// <param name="readContext">The deserializer context.</param>
/// <returns>The created CLR object.</returns>
public virtual object CreateEntityResource(IEdmEntityTypeReference entityType, ODataDeserializerContext readContext)
{
if (readContext == null)
{
throw Error.ArgumentNull("readContext");
}
if (entityType == null)
{
throw Error.ArgumentNull("entityType");
}
IEdmModel model = readContext.Model;
if (model == null)
{
throw Error.Argument("readContext", SRResources.ModelMissingFromReadContext);
}
if (readContext.IsUntyped)
{
return(new EdmEntityObject(entityType));
}
else
{
Type clrType = EdmLibHelpers.GetClrType(entityType, model);
if (clrType == null)
{
throw new ODataException(
Error.Format(SRResources.MappingDoesNotContainEntityType, entityType.FullName()));
}
if (readContext.IsDeltaOfT)
{
IEnumerable <string> structuralProperties = entityType.StructuralProperties()
.Select(edmProperty => EdmLibHelpers.GetClrPropertyName(edmProperty, model));
if (entityType.IsOpen())
{
PropertyInfo dynamicDictionaryPropertyInfo = EdmLibHelpers.GetDynamicPropertyDictionary(
entityType.StructuredDefinition(), model);
return(Activator.CreateInstance(readContext.ResourceType, clrType, structuralProperties,
dynamicDictionaryPropertyInfo));
}
else
{
return(Activator.CreateInstance(readContext.ResourceType, clrType, structuralProperties));
}
}
else
{
return(Activator.CreateInstance(clrType));
}
}
}
/// <summary>
/// Creates a new instance of the backing CLR object for the given entity type.
/// </summary>
/// <param name="entityType">The EDM type of the entity to create.</param>
/// <param name="readContext">The deserializer context.</param>
/// <returns>The created CLR object.</returns>
public virtual object CreateEntityResource(IEdmEntityTypeReference entityType, ODataDeserializerContext readContext)
{
if (readContext == null)
{
throw Error.ArgumentNull("readContext");
}
if (entityType == null)
{
throw Error.ArgumentNull("entityType");
}
IEdmModel model = readContext.Model;
if (model == null)
{
throw Error.Argument("readContext", SRResources.ModelMissingFromReadContext);
}
if (readContext.IsUntyped)
{
return new EdmEntityObject(entityType);
}
else
{
Type clrType = EdmLibHelpers.GetClrType(entityType, model);
if (clrType == null)
{
throw new ODataException(
Error.Format(SRResources.MappingDoesNotContainEntityType, entityType.FullName()));
}
if (readContext.IsDeltaOfT)
{
IEnumerable<string> structuralProperties = entityType.StructuralProperties()
.Select(edmProperty => EdmLibHelpers.GetClrPropertyName(edmProperty, model));
if (entityType.IsOpen())
{
PropertyInfo dynamicDictionaryPropertyInfo = EdmLibHelpers.GetDynamicPropertyDictionary(
entityType.StructuredDefinition(), model);
return Activator.CreateInstance(readContext.ResourceType, clrType, structuralProperties,
dynamicDictionaryPropertyInfo);
}
else
{
return Activator.CreateInstance(readContext.ResourceType, clrType, structuralProperties);
}
}
else
{
return Activator.CreateInstance(clrType);
}
}
}
