usergrouphibernatedao.java

一个jsp写的bbs

package com.laoer.bbscs.dao.hibernate;

import org.springframework.orm.hibernate3.support.*;
import com.laoer.bbscs.dao.UserGroupDAO;
import com.laoer.bbscs.bean.UserGroup;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.springframework.orm.hibernate3.HibernateCallback;
import java.sql.SQLException;

/**
 * <p>Title: Tianyi BBS</p>
 *
 * <p>Description: BBSCS</p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: Laoer.com</p>
 *
 * @author Gong Tianyi
 * @version 7.0
 */
public class UserGroupHibernateDAO
    extends HibernateDaoSupport implements UserGroupDAO {

  private static final String LOADS_ALL = "from UserGroup order by id";

  private static final String LOADS_IN_IDS = "from UserGroup where id in (:ids)";

  public UserGroupHibernateDAO() {
    super();
  }

  /**
   * 保存或更新UserGroup对象
   *
   * @param ug UserGroup
   * @return UserGroup
   * @todo Implement this com.laoer.bbscs.dao.UserGroupDAO method
   */
  public UserGroup saveUserGroup(UserGroup ug) {
    this.getHibernateTemplate().save(ug);
    return ug;
  }

  public UserGroup updateUserGroup(UserGroup ug) {
    this.getHibernateTemplate().update(ug);
    return ug;
  }

  /**
   * 根据ID取得UserGroup对象
   *
   * @param id int
   * @return UserGroup
   * @todo Implement this com.laoer.bbscs.dao.UserGroupDAO method
   */
  public UserGroup findUserGroupByID(int id) {
    return (UserGroup)this.getHibernateTemplate().get(UserGroup.class, new Integer(id));
  }

  /**
   * 取得所有UserGroup列表
   *
   * @return List
   * @todo Implement this com.laoer.bbscs.dao.UserGroupDAO method
   */
  public List findUserGroupsAll() {
    return this.getHibernateTemplate().find(LOADS_ALL);
  }

  /**
   * 取得指定ID的UserGroup列表
   * @param ids List
   * @return List
   */
  public List findUserGroupInIDs(final List ids) {
    return getHibernateTemplate().executeFind(new HibernateCallback() {
      public Object doInHibernate(Session s) throws HibernateException, SQLException {
        Query query = s.createQuery(LOADS_IN_IDS);
        query.setParameterList("ids", ids);
        List list = query.list();
        return list;
      }
    });
  }

  /**
   * 删除UserGroup对象
   *
   * @param ug UserGroup
   * @todo Implement this com.laoer.bbscs.dao.UserGroupDAO method
   */
  public void removeUserGroup(UserGroup ug) {
    this.getHibernateTemplate().delete(ug);
  }
}