/* ==================================================================
* Created [2009-4-27 下午11:32:55] by Jon.King
* ==================================================================
* TSS
* ==================================================================
* mailTo:jinpujun@hotmail.com
* Copyright (c) Jon.King, 2009-2012
* ==================================================================
*/
package com.jinhe.tss.core.cachepool.extend.connection.datasource;
import java.sql.Connection;
import java.sql.SQLException;
import org.apache.log4j.Logger;
import org.hibernate.cfg.Environment;
import com.jinhe.tss.core.ConfigurableContants;
import com.jinhe.tss.core.exception.BusinessException;
/**
* <p> _Connection.java </p>
*
* @author Jon.King 2007-5-9
*/
public class _Connection extends ConfigurableContants{
protected final Logger log = Logger.getLogger(this.getClass());
private IConnectionProvider provider;
private _Connection() {
if(properties.getProperty(Environment.DATASOURCE) != null){
provider = new DatasourceConnectionProvider();
}else{
provider = new DriverManagerConnectionProvider();
}
}
private static _Connection _connection;
public static _Connection getInstanse(){
if(_connection == null){
_connection = new _Connection();
}
return _connection;
}
public Connection getConnection(){
return provider.getConnection(properties);
}
public void releaseConnection(Connection conn) {
if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
log.fatal("销毁数据库连接时候出错", e);
throw new BusinessException("销毁数据库连接时候出错", e);
}
}
}
}