/// <summary>
/// Adds an event property for which the runtime uses the supplied XPath expression against
/// a DOM document node to resolve a property value.
/// </summary>
/// <param name="name">of the event property</param>
/// <param name="xpath">is an arbitrary xpath expression</param>
/// <param name="type">a constant obtained from System.Xml.XPath.XPathResultType.</param>
/// <param name="castToType">is the type name of the type that the return value of the xpath expression is casted to</param>
public void AddXPathProperty(
string name,
string xpath,
XPathResultType type,
string castToType)
{
Type castToTypeClass = null;
if (castToType != null) {
var isArray = false;
if (castToType.Trim().EndsWith("[]")) {
isArray = true;
castToType = castToType.Replace("[]", "");
}
castToTypeClass = TypeHelper.GetTypeForSimpleName(castToType, ClassForNameProviderDefault.INSTANCE);
if (castToTypeClass == null) {
throw new ConfigurationException(
"Invalid cast-to type for xpath expression named '" + name + "', the type is not recognized");
}
if (isArray) {
castToTypeClass = castToTypeClass.MakeArrayType();
}
}
var desc = new XPathPropertyDesc(name, xpath, type, castToTypeClass);
XPathProperties.Put(name, desc);
}
/// <summary>
/// Adds an event property for which the runtime uses the supplied XPath expression against
/// a DOM document node to resolve a property value.
/// </summary>
/// <param name="name">of the event property</param>
/// <param name="xpath">is an arbitrary xpath expression</param>
/// <param name="type">a constant obtained from System.Xml.XPath.XPathResultType.</param>
public void AddXPathProperty(
string name,
string xpath,
XPathResultType type)
{
var desc = new XPathPropertyDesc(name, xpath, type);
XPathProperties.Put(name, desc);
}
/// <summary>
/// Adds an event property for which the runtime uses the supplied XPath expression against
/// a DOM document node to resolve a property value.
/// </summary>
/// <param name="name">of the event property</param>
/// <param name="xpath">is an arbitrary xpath expression</param>
/// <param name="type">a constant obtained from System.Xml.XPath.XPathResultType.</param>
/// <param name="eventTypeName">is the name of another event type that represents the XPath nodes</param>
public void AddXPathPropertyFragment(
string name,
string xpath,
XPathResultType type,
string eventTypeName)
{
if ((type != XPathResultType.Any) && (type != XPathResultType.NodeSet)) {
throw new ArgumentException(
"XPath property for fragments requires an XmlNode or XmlNodeset return value for property '" +
name +
"'");
}
var desc = new XPathPropertyDesc(name, xpath, type, eventTypeName);
XPathProperties.Put(name, desc);
}
