public static IEnumerable <string> GetDiscriminants(this XPathNavigator navigator)
{
return(navigator.AsNamespaceScopedNavigator()
.SelectSingleNode($"@{Constants.NAMESPACE_URI_PREFIX}:{XmlAttributeNames.DISCRIMINANT}")?.Value
.Split(new[] { Constants.DISCRIMINANT_SEPARATOR }, StringSplitOptions.RemoveEmptyEntries)
?? Enumerable.Empty <string>());
}
public static IEnumerable <AttributeSpecification> GetAttributeUpdates(this XPathNavigator navigator)
{
return(navigator.AsNamespaceScopedNavigator()
.Select($"@*[namespace-uri()!='{Constants.NAMESPACE_URI}']")
.Cast <XPathNavigator>()
.Select(AttributeSpecificationFactory.Create));
}
public static ConfigurationCommand Create(XPathNavigator navigator)
{
var namespaceScopedNavigator = navigator.AsNamespaceScopedNavigator();
var commandType = namespaceScopedNavigator.GetCommandType();
return(commandType switch {
CommandTypeNames.INSERT => CreateElementInsertionCommand(namespaceScopedNavigator),
CommandTypeNames.UPDATE => CreateElementUpdateCommand(namespaceScopedNavigator),
CommandTypeNames.UPSERT => CreateElementUpsertionCommand(namespaceScopedNavigator),
CommandTypeNames.DELETE => CreateElementDeletionCommand(namespaceScopedNavigator),
_ => throw new InvalidOperationException($"The command '{commandType}' is not supported.")
});
public static string GetCommandType(this XPathNavigator navigator)
{
return(navigator.AsNamespaceScopedNavigator().SelectSingleNode($"@{Constants.NAMESPACE_URI_PREFIX}:{XmlAttributeNames.ACTION}")?.Value);
}