public void TryCreateInstance_Creates_AppropriateCollectionObject(Type collectionType, Type elementType)
{
IEnumerable result;
bool created = CollectionDeserializationHelpers.TryCreateInstance(collectionType, null, elementType, out result);
Assert.True(created);
Assert.IsAssignableFrom(collectionType, result);
}
private static object ConvertCollection(ODataCollectionValue collectionValue,
IEdmTypeReference edmTypeReference, Type clrType, string parameterName,
ODataDeserializerContext readContext, IServiceProvider requestContainer)
{
Contract.Assert(collectionValue != null);
IEdmCollectionTypeReference collectionType = edmTypeReference as IEdmCollectionTypeReference;
Contract.Assert(collectionType != null);
ODataDeserializerProvider deserializerProvider =
requestContainer.GetRequiredService <ODataDeserializerProvider>();
ODataCollectionDeserializer deserializer =
(ODataCollectionDeserializer)deserializerProvider.GetEdmTypeDeserializer(collectionType);
object value = deserializer.ReadInline(collectionValue, collectionType, readContext);
if (value == null)
{
return(null);
}
IEnumerable collection = value as IEnumerable;
Contract.Assert(collection != null);
Type elementType;
if (!clrType.IsCollection(out elementType))
{
// EdmEntityCollectionObject and EdmComplexCollectionObject are collection types.
throw new ODataException(String.Format(CultureInfo.InvariantCulture,
SRResources.ParameterTypeIsNotCollection, parameterName, clrType));
}
IEnumerable newCollection;
if (CollectionDeserializationHelpers.TryCreateInstance(clrType, collectionType, elementType,
out newCollection))
{
collection.AddToCollection(newCollection, elementType, parameterName, clrType);
if (clrType.IsArray)
{
newCollection = CollectionDeserializationHelpers.ToArray(newCollection, elementType);
}
return(newCollection);
}
return(null);
}
public void TryCreateInstance_EdmEntityObjectCollection_SetsEdmType()
{
EdmEntityType entityType = new EdmEntityType("NS", "EntityType");
IEdmCollectionTypeReference entityCollectionType =
new EdmCollectionType(entityType.ToEdmTypeReference(true))
.ToEdmTypeReference(true).AsCollection();
IEnumerable result;
CollectionDeserializationHelpers.TryCreateInstance(typeof(EdmEntityObjectCollection), entityCollectionType, typeof(EdmComplexObject), out result);
var edmObject = Assert.IsType <EdmEntityObjectCollection>(result);
Assert.Equal(edmObject.GetEdmType(), entityCollectionType, new EdmTypeReferenceEqualityComparer());
}
internal static void SetCollectionProperty(object resource, string propertyName, IEdmCollectionTypeReference edmPropertyType, object value, bool clearCollection)
{
if (value == null)
{
return;
}
IEnumerable items = value as IEnumerable;
Type type = resource.GetType();
Type propertyType = DeserializationHelpers.GetPropertyType(resource, propertyName);
Type elementType;
if (!propertyType.IsCollection(out elementType))
{
throw new SerializationException(System.Web.Http.Error.Format(SRResources.PropertyIsNotCollection, (object)propertyType.FullName, (object)propertyName, (object)type.FullName));
}
IEnumerable instance;
if (DeserializationHelpers.CanSetProperty(resource, propertyName) && CollectionDeserializationHelpers.TryCreateInstance(propertyType, edmPropertyType, elementType, out instance))
{
items.AddToCollection(instance, elementType, type, propertyName, propertyType);
if (propertyType.IsArray)
{
instance = CollectionDeserializationHelpers.ToArray(instance, elementType);
}
DeserializationHelpers.SetProperty(resource, propertyName, (object)instance);
}
else
{
IEnumerable property = DeserializationHelpers.GetProperty(resource, propertyName) as IEnumerable;
if (property == null)
{
throw new SerializationException(System.Web.Http.Error.Format(SRResources.CannotAddToNullCollection, (object)propertyName, (object)type.FullName));
}
if (clearCollection)
{
property.Clear(propertyName, type);
}
items.AddToCollection(property, elementType, type, propertyName, propertyType);
}
}
