/// <summary>
/// Remove all existing annotations of type <typeparamref name="T"/> and set <paramref name="annotation"/>.
/// </summary>
/// <typeparam name="T">The type of the annotation to set.</typeparam>
/// <param name="payloadElement">The payload element to set the annotation on.</param>
/// <param name="annotation">The annotation to set.</param>
/// <returns>The <paramref name="payloadElement"/> with the <paramref name="annotation"/> set.</returns>
public static T SetAnnotation <T>(this T payloadElement, ODataPayloadElementAnnotation annotation) where T : ODataPayloadElement
{
ExceptionUtilities.CheckArgumentNotNull(annotation, "annotation");
payloadElement.RemoveAnnotations(annotation.GetType());
payloadElement.AddAnnotation(annotation);
return(payloadElement);
}
private bool CompareAnnotation(ODataPayloadElementAnnotation expectedAnnotation, ODataPayloadElementAnnotation observedAnnotation, out string errorMessage)
{
try
{
errorMessage = null;
this.Assert.AreEqual(expectedAnnotation.GetType(), observedAnnotation.GetType(), "Annotation types should be same");
if (expectedAnnotation is XmlTreeAnnotation)
{
XmlTreeAnnotation e = expectedAnnotation as XmlTreeAnnotation;
XmlTreeAnnotation o = observedAnnotation as XmlTreeAnnotation;
this.Assert.IsNotNull(o, "Observed annotation cannot be null");
this.Assert.AreEqual(e.LocalName, o.LocalName, "Local names should match");
this.Assert.AreEqual(e.NamespaceName, o.NamespaceName, "Namespace names should be equal");
this.Assert.AreEqual(e.PropertyValue, o.PropertyValue, "Property values must be equal");
this.Assert.AreEqual(e.IsAttribute, o.IsAttribute, "IsAttribute values should be equal");
this.Assert.AreEqual(e.Children.Count, o.Children.Count, "Children count must be equal");
Compare(e.Children.Cast <ODataPayloadElementAnnotation>().ToList(), o.Children.Cast <ODataPayloadElementAnnotation>().ToList());
}
else if (expectedAnnotation is SelfLinkAnnotation)
{
SelfLinkAnnotation e = expectedAnnotation as SelfLinkAnnotation;
SelfLinkAnnotation o = observedAnnotation as SelfLinkAnnotation;
this.Assert.IsNotNull(o, "Observed annotation cannot be null");
this.Assert.AreEqual(e.Value, o.Value, "Values should match");
}
else if (expectedAnnotation is ContentTypeAnnotation)
{
ContentTypeAnnotation e = expectedAnnotation as ContentTypeAnnotation;
ContentTypeAnnotation o = observedAnnotation as ContentTypeAnnotation;
this.Assert.IsNotNull(o, "Observed annotation cannot be null");
this.Assert.AreEqual(e.Value, o.Value, "Values should match");
}
return(true);
}
catch (DataComparisonException e)
{
errorMessage = "Message: " + e.Message + " Exception type:" + e.GetType() + " Stack:" + e.StackTrace;
return(false);
}
}