test1.java

来自「本套光盘提供了本书各章实例的所需的部分源程序文件以及数据库文件。读者 需要使用」· Java 代码 · 共 40 行

import javax.jdo.PersistenceManagerFactory;
import javax.jdo.PersistenceManager;
import javax.jdo.Transaction;

public class Test1 {
    public static final String DBURL = "jdbc:mysql://localhost/jdotut";
    public static final String DBDRIVER = "org.gjt.mm.mysql.Driver";
    public static void main(String[] args) {
       try {
/*  SETUP JDO      */
// 建立和设置持久性工厂
PersistenceManagerFactory pmf = (PersistenceManagerFactory) Class.forName("com.libelis.lido.PersistenceManagerFactory").newInstance();
	 pmf.setConnectionURL(DBURL);
	 pmf.setConnectionDriverName(DBDRIVER);

// 获得持久性工厂管理器
	 PersistenceManager pm = pmf.getPersistenceManager();

/*      START A TRANSACTION        */
// 获取当前的事务
Transaction t = pm.currentTransaction();
// 开始一个新的事务
t.begin();
/* CREATE AN OBJECT INSTANCE*/
Addressimplment a =	new Addressimplment("7700 Technology Way", "", "Denver", "CO", "80237");

/*MAKE THE OBJECT PERSISTENT*/
	 pm.makePersistent(a);

/* COMMIT THE OBJECT TO STORAGE*/
// 提交所有的事务，所有的改变都写到数据库中
	 t.commit();
/** CLEANUP AND EXIT*/
pm.close();
        } catch (Exception e) {
          e.printStackTrace();
        }
    }
}