NoteHibernateDAO.java
资源名称:Myblog.rar [点击查看]
上传用户:wlfwy2004
上传日期:2016-12-12
资源大小:33978k
文件大小:4k
源码类别:
Jsp/Servlet
开发平台:
Java
- package com.opensource.blog.dao.hibernate;
- import org.springframework.orm.hibernate3.support.*;
- import org.springframework.orm.hibernate3.*;
- import org.hibernate.*;
- import com.opensource.blog.dao.NoteDAO;
- import com.opensource.blog.model.Note;
- import java.util.List;
- import java.sql.SQLException;
- public class NoteHibernateDAO
- extends HibernateDaoSupport implements NoteDAO {
- private static final String LOAD_BY_ID_BLOGID = "from Note where id = ? and blogid = ?";
- private static final String GET_COUNT_BY_ARTID = "select count(*) from Note where artid = ?";
- private static final String LOADS_BY_ARTID = "from Note where artid = ? order by id desc";
- private static final String GET_COUNT_BY_BLOGID = "select count(*) from Note where blogid = ?";
- private static final String LOADS_BY_BLOGID = "from Note where blogid = ? order by id desc";
- public NoteHibernateDAO() {
- super();
- }
- /**
- *
- * @param note Note
- * @return Note
- * @todo Implement this com.opensource.blog.dao.NoteDAO method
- */
- public Note saveNote(Note note) {
- this.getHibernateTemplate().saveOrUpdate(note);
- return note;
- }
- /**
- *
- * @param id long
- * @param blogID long
- * @return Note
- * @todo Implement this com.opensource.blog.dao.NoteDAO method
- */
- public Note findNoteByID_BlogID(long id, long blogID) {
- Object[] o = {
- new Long(id), new Long(blogID)};
- List l = this.getHibernateTemplate().find(LOAD_BY_ID_BLOGID, o);
- if (l == null || l.isEmpty()) {
- return null;
- }
- else {
- return (Note) l.get(0);
- }
- }
- /**
- *
- * @param artID long
- * @return int
- * @todo Implement this com.opensource.blog.dao.NoteDAO method
- */
- public int getNoteCountByArtID(long artID) {
- List l = this.getHibernateTemplate().find(GET_COUNT_BY_ARTID, new Long(artID));
- if (l == null || l.isEmpty()) {
- return 0;
- }
- else {
- return ( (Integer) l.get(0)).intValue();
- }
- }
- /**
- *
- * @param artID long
- * @return List
- * @todo Implement this com.opensource.blog.dao.NoteDAO method
- */
- public List findNotesByArtID(long artID) {
- return this.getHibernateTemplate().find(LOADS_BY_ARTID, new Long(artID));
- }
- /**
- *
- * @param blogID long
- * @return int
- * @todo Implement this com.opensource.blog.dao.NoteDAO method
- */
- public int getNoteCountByBlogID(long blogID) {
- List l = this.getHibernateTemplate().find(GET_COUNT_BY_BLOGID, new Long(blogID));
- if (l == null || l.isEmpty()) {
- return 0;
- }
- else {
- return ( (Integer) l.get(0)).intValue();
- }
- }
- /**
- *
- * @param blogID long
- * @param firstResult int
- * @param maxResults int
- * @return List
- * @todo Implement this com.opensource.blog.dao.NoteDAO method
- */
- public List getNotesByBlogID(final long blogID, final int firstResult, final int maxResults) {
- return getHibernateTemplate().executeFind(new HibernateCallback() {
- public Object doInHibernate(Session s) throws HibernateException, SQLException {
- Query query = s.createQuery(LOADS_BY_BLOGID);
- query.setLong(0, blogID);
- query.setFirstResult(firstResult);
- query.setMaxResults(maxResults);
- return query.list();
- }
- });
- }
- /**
- *
- * @param note Note
- * @todo Implement this com.opensource.blog.dao.NoteDAO method
- */
- public void removeNote(Note note) {
- this.getHibernateTemplate().delete(note);
- }
- }