com.github.yydf.struts.jdbc.SqlSessionFactory Maven / Gradle / Ivy

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A simple, light Java WEB + ORM framework.

There is a newer version: 1.0.2

package com.github.yydf.struts.jdbc;

import java.sql.Driver;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Enumeration;

import javax.sql.DataSource;

import com.github.yydf.struts.logger.SqlLog;
import com.github.yydf.struts.util.Assert;

public class SqlSessionFactory {

	private static SqlSession sessionImpl;

	public static SqlSession getSession() {
		Assert.notNull(sessionImpl);
		return sessionImpl;
	}

	public static void createSession(DataSource ds) {
		if (sessionImpl == null) {
			sessionImpl = new SqlSession(ds);
		}
	}

	public static void createSession(DataSource ds, SqlLog logger) {
		if (sessionImpl == null) {
			sessionImpl = new SqlSession(ds, logger);
		}
	}

	public static void close() {
	    sessionImpl.clear();
		Enumeration drivers = DriverManager.getDrivers();
	    while (drivers.hasMoreElements()) {
	        try {
	            DriverManager.deregisterDriver(drivers.nextElement());
	        }
	        catch (SQLException ex) {
	            ex.printStackTrace();
	        }
	    }
	}
}