显示:“找不到符号”。。。是什么原因
下面的代码运行后,为什么在CountManager.java文件的Count count = (Count) session.get(Count.class, 1L);这行显示:“找不到符号”。。。
package net.java2000.count;
import org.hibernate.Session;
public class CountManager {
/**
*增加一个计数
*
* @return 最后的计数
*/
public static synchronized int increaseCount() {
Session session = HibernateUtil.getSessionFactory().getCurrentSession();
session.beginTransaction();
Count count = (Count) session.get(Count.class, 1L); //--------------------
if (count == null) {
count = new Count();
}
count.setCount(count.getCount() + 1);
session.saveOrUpdate(count);
session.getTransaction().commit();
return count.getCount();
}
}