private Method lookupMethod(
Object obj, String methodName, Class[] methodParameters, HashMap methodCache) {
Class objClass = obj.getClass();
Object objMethod = methodCache.get(objClass);
if (objMethod == null) {
return cacheMethod(obj, methodName, methodParameters, methodCache);
} else if (objMethod == NONE) {
return null;
} else {
return (Method) objMethod;
}
}
