package com.util;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.cfg.Configuration;
import org.hibernate.classic.Session;
/**
* hibernate �ײ��ܴ�дsql
* @author yushen
*
*/
public class HibernateDaoUtil {
private static final ThreadLocal<Session> threadLocal = new ThreadLocal<Session>();
private static org.hibernate.SessionFactory sessionFactory;
public static List<Object[]> isNotFind(String sql) {
List<Object[]> list = new ArrayList<Object[]>();
try {
Configuration cfgs = new Configuration().configure("/config/hlpt.cfg.xml");
sessionFactory = cfgs.buildSessionFactory();
Session se = sessionFactory.openSession();// ��һ��session
Query query = se.createSQLQuery(sql);
list = query.list();
se.close();
sessionFactory.close();
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
return list;
}
public void saveupdatedelFind(String sql){
try {
Configuration cfgs=new Configuration().configure("/config/hlpt.cfg.xml");
sessionFactory = cfgs.buildSessionFactory();
Session se = sessionFactory.openSession();//��һ��session
se.beginTransaction();//��������
se.createSQLQuery(sql).executeUpdate();
se.getTransaction().commit();//�ύ����
se.close();
sessionFactory.close();
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
}
package com.util;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.cfg.Configuration;
/**
* Configures and provides access to Hibernate sessions, tied to the current
* thread of execution. Follows the Thread Local Session pattern, see
* {@link http://hibernate.org/42.html }.
*/
public class HibernateSessionFactory {
/**
* Location of hibernate.cfg.xml file. Location should be on the classpath
* as Hibernate uses #resourceAsStream style lookup for its configuration
* file. The default classpath location of the hibernate config file is in
* the default package. Use #setConfigFile() to update the location of the
* configuration file for the current session.
*/
private static final ThreadLocal<Session> threadLocal = new ThreadLocal<Session>();
private static org.hibernate.SessionFactory sessionFactory;
private static Configuration configuration = new Configuration();
private static String CONFIG_FILE_LOCATION = "/hibernate.cfg.xml";
private static String configFile = CONFIG_FILE_LOCATION;
static {
try {
configuration.configure(configFile);
sessionFactory = configuration.buildSessionFactory();
} catch (Exception e) {
System.err.println("%%%% Error Creating SessionFactory %%%%");
e.printStackTrace();
}
}
private HibernateSessionFactory() {
}
/**
* Returns the ThreadLocal Session instance. Lazy initialize the
* <code>SessionFactory</code> if needed.
*
* @return Session
* @throws HibernateException
*/
public static Session getSession() throws HibernateException {
Session session = (Session) threadLocal.get();
if (session == null || !session.isOpen()) {
if (sessionFactory == null) {
rebuildSessionFactory();
}
session = (sessionFactory != null) ? sessionFactory.openSession()
: null;
threadLocal.set(session);
}
return session;
}
/**
* Rebuild hibernate session factory
*
*/
public static void rebuildSessionFactory() {
try {
configuration.configure(configFile);
sessionFactory = configuration.buildSessionFactory();
} catch (Exception e) {
System.err.println("%%%% Error Creating SessionFactory %%%%");
e.printStackTrace();
}
}
/**
* Close the single hibernate session instance.
*
* @throws HibernateException
*/
public static void closeSession() throws HibernateException {
Session session = (Session) threadLocal.get();
threadLocal.set(null);
if (session != null) {
session.close();
}
}
/**
* return session factory
*
*/
public static org.hibernate.SessionFactory getSessionFactory() {
return sessionFactory;
}
/**
* return session factory
*
* session factory will be rebuilded in the next call
*/
public static void setConfigFile(String configFile) {
HibernateSessionFactory.configFile = configFile;
sessionFactory = null;
}
/**
* return hibernate configuration
*
*/
public static Configuration getConfiguration() {
return configuration;
}
}