if (eventType == null) {
throw new EPException("No event type defined for input port");
}
rendererOptions = new RendererMetaOptions(true, false, null, null);
rendererMeta = new RendererMeta(eventType, new Stack<EventTypePropertyPair>(), rendererOptions);
eventShell = context.getServicesContext().getEventAdapterService().getShellForType(eventType);
return null;
}