private ODataCollectionWriter CreateCollectionWriterImplementation(string parameterName, IEdmTypeReference expectedItemType)
{
ODataCollectionWriter writer = this.CreateFormatCollectionWriter(parameterName, expectedItemType);
this.ReplaceScope(ParameterWriterState.ActiveSubWriter);
return(writer);
}
/// <summary>
/// Creates an <see cref="ODataCollectionWriter"/> to write the value of a collection parameter.
/// </summary>
/// <param name="parameterName">The name of the collection parameter to write.</param>
/// <param name="expectedItemType">The type reference of the expected item type or null if no expected item type exists.</param>
/// <returns>The newly created <see cref="ODataCollectionWriter"/>.</returns>
private ODataCollectionWriter CreateCollectionWriterImplementation(string parameterName, IEdmTypeReference expectedItemType)
{
Debug.Assert(this.State == ParameterWriterState.CanWriteParameter, "this.State == ParameterWriterState.CanWriteParameter");
ODataCollectionWriter collectionWriter = this.CreateFormatCollectionWriter(parameterName, expectedItemType);
this.ReplaceScope(ParameterWriterState.ActiveSubWriter);
return(collectionWriter);
}
/// <summary>
/// Writes the given <paramref name="graph"/> using the given <paramref name="writer"/>.
/// </summary>
/// <param name="writer">The <see cref="ODataCollectionWriter"/> to use.</param>
/// <param name="graph">The collection to write.</param>
/// <param name="writeContext">The serializer context.</param>
public void WriteCollection(ODataCollectionWriter writer, object graph, ODataSerializerContext writeContext)
{
if (writer == null)
{
throw Error.ArgumentNull("writer");
}
ODataCollectionValue collectionValue = CreateODataValue(graph, writeContext) as ODataCollectionValue;
writer.WriteStart(new ODataCollectionStart { Name = writeContext.RootElementName });
if (collectionValue != null)
{
foreach (object item in collectionValue.Items)
{
writer.WriteItem(item);
}
}
writer.WriteEnd();
}
protected override void WriteTopLevelElements(IExpandedResult expanded, IEnumerator elements, bool hasMoved)
{
if (base.RequestDescription.LinkUri)
{
bool needPop = base.PushSegmentForRoot();
this.WriteLinkCollection(elements, hasMoved);
base.PopSegmentName(needPop);
}
else
{
this.collectionWriter = this.writer.CreateODataCollectionWriter();
ODataCollectionStart collectionStart = new ODataCollectionStart {
Name = this.ComputeContainerName()
};
this.collectionWriter.WriteStart(collectionStart);
while (hasMoved)
{
object current = elements.Current;
ResourceType propertyResourceType = (current == null) ? base.RequestDescription.TargetResourceType : WebUtil.GetResourceType(base.Provider, current);
if (propertyResourceType == null)
{
throw new InvalidOperationException(System.Data.Services.Strings.Serializer_UnsupportedTopLevelType(current.GetType()));
}
this.collectionWriter.WriteItem(base.GetPropertyValue("element", propertyResourceType, current, false));
hasMoved = elements.MoveNext();
}
this.collectionWriter.WriteEnd();
this.collectionWriter.Flush();
}
}