import java.sql.*;

public class TestCase {
	public static void main(String args[]) {
		try {
			Class.forName("com.mysql.jdbc.ReplicationDriver");
			String url = "jdbc:mysql://192.168.0.1:3308,192.168.0.1:3306/database";
			Connection conn = DriverManager.getConnection(url, "user", "password");

			System.err.println("Switching to master");
			conn.setReadOnly(false);

			System.err.println("Setting catalog to 'test'");
			conn.setCatalog("test");
			System.err.println("catalog='"+conn.getCatalog()+"'");

			System.err.println("Switching to slave");
			conn.setReadOnly(true);
			System.err.println("catalog='"+conn.getCatalog()+"'");

			System.err.println("Setting catalog to 'mysql'");
			conn.setCatalog("mysql");
			System.err.println("catalog='"+conn.getCatalog()+"'");

			System.err.println("Switching to slave");
			conn.setReadOnly(true);
			System.err.println("catalog='"+conn.getCatalog()+"'");

			conn.close();
		}catch(Exception e){
			e.printStackTrace();
		}
	}
}