/// <summary>
/// Visits a collection of parameters.
/// </summary>
/// <param name="parameters">The parameters to visit.</param>
protected override ODataPayloadElement VisitParameters(ODataParameters parameters)
{
ExceptionUtilities.CheckArgumentNotNull(parameters, "parameters");
ComplexInstance result = new ComplexInstance();
result.IsNull = parameters.Count == 0;
foreach (var parameter in parameters)
{
if (parameter.Value == null)
{
result.Add(new PrimitiveProperty(parameter.Key, null, null));
continue;
}
ODataComplexValue odataComplexValue = parameter.Value as ODataComplexValue;
ODataCollectionStart odataCollectionStart = parameter.Value as ODataCollectionStart;
if (odataCollectionStart != null)
{
ODataCollectionItemsObjectModelAnnotation annotation = odataCollectionStart.GetAnnotation <ODataCollectionItemsObjectModelAnnotation>();
if (annotation.OfType <ODataComplexValue>().FirstOrDefault() != null)
{
ComplexMultiValue complexCollection = PayloadBuilder.ComplexMultiValue();
foreach (var value in annotation)
{
complexCollection.Item(this.VisitComplexValue(value as ODataComplexValue) as ComplexInstance);
}
ComplexMultiValueProperty complexCollectionProperty = new ComplexMultiValueProperty(parameter.Key, complexCollection);
result.Add(complexCollectionProperty);
}
else
{
PrimitiveMultiValue primitiveCollection = PayloadBuilder.PrimitiveMultiValue();
foreach (var value in annotation)
{
primitiveCollection.Item(value);
}
PrimitiveMultiValueProperty primitiveCollectionProperty = new PrimitiveMultiValueProperty(parameter.Key, primitiveCollection);
result.Add(primitiveCollectionProperty);
}
}
else if (odataComplexValue != null)
{
ComplexInstance complexInstance = PayloadBuilder.ComplexValue(odataComplexValue.TypeName);
complexInstance.IsNull = false;
foreach (ODataProperty odataProperty in odataComplexValue.Properties)
{
complexInstance.Property(odataProperty.Name, this.Visit(odataProperty.Value));
}
result.Add(new ComplexProperty(parameter.Key, complexInstance));
}
else
{
result.Add(new PrimitiveProperty(parameter.Key, null, PayloadBuilder.PrimitiveValue(parameter.Value).ClrValue));
}
}
return(result);
}