java里的spring 里的更新操作实现？？

package dotDao.dotCardDao;

import java.io.Serializable;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import dotShare.DotPrint;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class DotDaoInImpl extends HibernateDaoSupport implements DotDaoIn {

//插入对象
public boolean Insert(Object obj) {
// TODO Auto-generated method stub
try
{
this.getHibernateTemplate().saveOrUpdate(obj);
return true;
}
catch(Exception ex)
{
PrintMessage(this,ex,"Insert");
return false;
}
}

//插入一组相同的对象
public boolean InsertList(List list)
{
try
{
Iterator it=list.iterator();
while(it.hasNext())
{
this.getHibernateTemplate().save(it.next());
}
return true;
}
catch(Exception ex)
{
PrintMe