Example usage for org.apache.ibatis.session SqlSession update

Introduction

In this page you can find the example usage for org.apache.ibatis.session SqlSession update.

Prototype

int update(String statement, Object parameter);

Source Link

Document

Execute an update statement.

Usage

From source file:webim.dao.ibatis.WebimSettingDao.java

License:Apache License

/**
 * ??MySQL?: <br>/*from w  w w  .  ja  v  a 2  s.c  om*/
 * 
 * "update webim_settings set data = ?  where uid = ?" <br>
 * 
 * ??????
 * 
 * @param uid
 *            uid
 * @param data
 *            ??JSON?
 */
public void set(String uid, String data) {
    Map<String, Object> map = new HashMap<String, Object>();
    Date now = new Date();
    map.put("uid", uid);
    map.put("data", data);
    map.put("created", now);
    map.put("updated", now);
    SqlSession session = sessionFactory.openSession();
    try {
        String oldData = (String) session.selectOne("SettingMapper.getSetting", uid);
        if (oldData == null) {
            session.insert("SettingMapper.insertSetting", map);
        } else {
            session.update("SettingMapper.updateSetting", map);
        }
        session.commit();
    } finally {
        session.close();
    }
}