private static ComplexInstanceCollection GetComplexInstanceCollection(IRandomNumberGenerator random, EdmModel model = null, ODataVersion version = ODataVersion.V4)
{
var complex = GetComplexInstance(random, model, version);
int numinstances = random.ChooseFrom(new[] { 0, 1, 3 });
var payload = new ComplexInstanceCollection(GenerateSimilarComplexInstances(random, complex, numinstances).ToArray());
if (model != null)
{
var container = model.EntityContainersAcrossModels().Single() as EdmEntityContainer;
var collectionType = new EdmCollectionType((model.FindDeclaredType(complex.FullTypeName) as EdmComplexType).ToTypeReference());
var function = new EdmFunction(container.Namespace, "GetComplexInstances", collectionType.ToTypeReference());
var functionImport = container.AddFunctionImport("GetComplexInstances", function);
payload.AddAnnotation(new FunctionAnnotation() { FunctionImport = functionImport });
payload.AddAnnotation(new DataTypeAnnotation() { EdmDataType = collectionType });
}
return payload;
}