cgl.narada.service.storage.db
Class DatabaseFactory

java.lang.Object
  cgl.narada.service.storage.db.DatabaseFactory

public class DatabaseFactory
extends Object

Title: DatabaseFactory

Description: Creates a static instance of DataAccessObject to do task on database

Version:

1.0

Constructor Summary

DatabaseFactory()

Method Summary

void	createDAO() creates new instance of DataAccessObject by getting username and password from UserConfigure file
void	createDAO(String driver, String conInfo, String uname, String password) creates new instance of DataAccessObject
String	getConnnectionInfo(String[] param) composes connection information variable
DataAccessObject	getDAO()
Properties	getProperties()
void	loadProperties(String[] connectParameters) loads parameters to connect database
static void	main(String[] args)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DatabaseFactory

public DatabaseFactory()

Method Detail

getConnnectionInfo

public String getConnnectionInfo(String[] param)

composes connection information variable

Parameters:

param - array of parameters

createDAO

public void createDAO()

creates new instance of DataAccessObject by getting username and password from UserConfigure file

createDAO

public void createDAO(String driver,
                      String conInfo,
                      String uname,
                      String password)
               throws ServiceException

creates new instance of DataAccessObject

Parameters:

driver - database driver

conInfo - connection information for database

uname - database username

password - database user password

Throws:

ServiceException

getDAO

public DataAccessObject getDAO()
                        throws ServiceException

Returns:

DataAccessObject if it is null it creates new one and sets it to the static variable of this object

Throws:

ServiceException

getProperties

public Properties getProperties()
                         throws Exception

Returns:

Properties for a given file

Throws:

Exception

loadProperties

public void loadProperties(String[] connectParameters)
                    throws Exception

loads parameters to connect database

Parameters:

connectParameters - parameter rewired for connection

Throws:

Exception

main

public static void main(String[] args)