/// <summary>
/// Specifies the equality function for the xml tree annotation
/// </summary>
/// <param name="xmlTree">The xml tree annotation</param>
/// <param name="func">The equality function</param>
/// <returns>The annotation with the equality function set</returns>
public static XmlTreeAnnotation SetValueEqualityFunc(this XmlTreeAnnotation xmlTree, Func <object, object, bool> func)
{
ExceptionUtilities.CheckArgumentNotNull(func, "func");
ExceptionUtilities.CheckArgumentNotNull(xmlTree, "xmlTree");
xmlTree.ValueEqualityFunc = func;
return(xmlTree);
}
/// <summary>
/// Creates a clone of the annotation
/// </summary>
/// <returns>a clone of the annotation</returns>
public override ODataPayloadElementAnnotation Clone()
{
var clone = new XmlTreeAnnotation
{
PropertyValue = this.PropertyValue,
NamespaceName = this.NamespaceName,
NamespacePrefix = this.NamespacePrefix,
LocalName = this.LocalName,
IsAttribute = this.IsAttribute,
ValueEqualityFunc = this.ValueEqualityFunc,
};
clone.Children.AddRange(this.Children.Select(c => (XmlTreeAnnotation)c.Clone()).ToArray());
return(clone);
}
private static AtomGeneratorMetadata CreateGeneratorMetadata(XmlTreeAnnotation epmTree)
{
AtomGeneratorMetadata metadata = new AtomGeneratorMetadata()
{
Name = epmTree.PropertyValue
};
foreach (XmlTreeAnnotation attribute in epmTree.Children.Where(child => child.IsAttribute))
{
if (string.IsNullOrEmpty(attribute.NamespaceName))
{
string localName = attribute.LocalName;
if (localName == TestAtomConstants.AtomGeneratorUriAttributeName)
{
metadata.Uri = string.IsNullOrEmpty(attribute.PropertyValue) ? null : new Uri(attribute.PropertyValue);
}
else if (localName == TestAtomConstants.AtomGeneratorVersionAttributeName)
{
metadata.Version = attribute.PropertyValue;
}
else
{
throw new NotSupportedException("Unsupported metadata '" + localName + "' found for a generator.");
}
}
}
return metadata;
}
/// <summary>
/// Creates a clone of the annotation
/// </summary>
/// <returns>a clone of the annotation</returns>
public override ODataPayloadElementAnnotation Clone()
{
var clone = new XmlTreeAnnotation
{
PropertyValue = this.PropertyValue,
NamespaceName = this.NamespaceName,
NamespacePrefix = this.NamespacePrefix,
LocalName = this.LocalName,
IsAttribute = this.IsAttribute,
ValueEqualityFunc = this.ValueEqualityFunc,
};
clone.Children.AddRange(this.Children.Select(c => (XmlTreeAnnotation)c.Clone()).ToArray());
return clone;
}
/// <summary>
/// Builds the entity-property-mapping tree represented by the given xml element
/// </summary>
/// <param name="element">The element to build from</param>
/// <returns>The entity-property-mapping tree</returns>
private XmlTreeAnnotation BuildEpmTree(XElement element)
{
var mappedProperty = new XmlTreeAnnotation()
{
IsAttribute = false,
LocalName = element.Name.LocalName,
NamespaceName = element.Name.NamespaceName,
NamespacePrefix = element.GetPrefixOfNamespace(element.Name.Namespace),
PropertyValue = element.Nodes().OfType<XText>().Select(t => t.Value).SingleOrDefault(),
};
foreach (var subElement in element.Elements())
{
mappedProperty.Children.Add(this.BuildEpmTree(subElement));
}
foreach (var attribute in element.Attributes().Where(a => !a.IsNamespaceDeclaration))
{
mappedProperty.Children.Add(this.BuildEpmTree(attribute));
}
return mappedProperty;
}
