}
public SDOXMLHelperDelegate(HelperContext aContext, ClassLoader aClassLoader) {
aHelperContext = aContext;
// This ClassLoader is internal to SDO so no inter servlet-ejb container context issues should arise
loader = new SDOClassLoader(aClassLoader, aContext);
xmlMarshallerMap = new WeakHashMap<Thread, XMLMarshaller>();
xmlUnmarshallerMap = new WeakHashMap<Thread, XMLUnmarshaller>();
}