Current Encina Connector implementation does not keep any local data, and therefore a call to close method is an empty call.
当前的Encina连接器的实现没有保存任何本地数据，因此对于close方法的调用是空调用。
3
When you select OK, appropriate changes will be made and the Author bean, along with the EJB local reference connector, will be shown on the diagram surface (Figure 13).