bass.db
Class DBObject

java.lang.Object
  bass.db.DBObject

public class DBObject
extends java.lang.Object

DB Connection class

Version:

0.1

Author:

Schiefer, Fabian Winkhardt, Thomas Klein

Field Summary

private int	currentMode
static int	EMBEDDED_DB the embedded derby DB
static int	LOCAL_DB a maxdb running at localhost
private static java.lang.String	propfile
static int	SERVER_DB the DB server at search engine lab

Constructor Summary

DBObject()
Deprecated. plz don't use this for safety reasons ... use the DBObject(int) constructor

DBObject(int db)
generates a db object for the specified DB

Method Summary

java.sql.Connection

get_connection() Generates a DB Connection from information @ properties/db.properties

Methods inherited from class java.lang.Object

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

Field Detail

propfile

private static java.lang.String propfile

EMBEDDED_DB

public static final int EMBEDDED_DB

the embedded derby DB

See Also:

Constant Field Values

SERVER_DB

public static final int SERVER_DB

the DB server at search engine lab

See Also:

Constant Field Values

LOCAL_DB

public static final int LOCAL_DB

a maxdb running at localhost

See Also:

Constant Field Values

currentMode

private int currentMode

Constructor Detail

DBObject

public DBObject()

Deprecated. plz don't use this for safety reasons ... use the DBObject(int) constructor

base constructor, uses the information in /properties/db.properties for the connection

DBObject

public DBObject(int db)

generates a db object for the specified DB

Parameters:

db - can be EMBEDDED_DB, SERVER_DB or LOCAL_DB (constants from this class)

Method Detail

get_connection

public java.sql.Connection get_connection()
                                   throws java.sql.SQLException

Generates a DB Connection from information @ properties/db.properties

Returns:

a Connection object

Throws:

java.sql.SQLException - if method can't connect to db or db doesn't exist