// Gets the method-info for the expression identifying a controller's action method.
// The metadata attributes for the corresponding action and its defining controller
// and found. The names associated with these two attributes are used to determine
// the value of the URL template when returning the resource by the formatter.
public void SetTemplateInfo()
{
MethodInfo action = _action.GetCallMethodInfo();
_link.ActionTemplateName = GetActionMetaName(action);
_link.GroupTemplateName = GetControllerMetaName(action.DeclaringType);
}