code: protected final void load()throws Exception
  	{
  		rwLock.writeLock().lock();
  		try {
  			Set<Class<?>> classes=classProvider.getLoadedClasses();
  			initScriptClasses(classes);
  			onScriptLoaded(classes);
  		} finally {
  			rwLock.writeLock().unlock();
  		}
  	}
docs: 加载
  @throws Exception