com.youyounet.db
Class DBContext

java.lang.Object
  |
  +--com.youyounet.db.DBContext

public class DBContext

extends java.lang.Object

A DBContext Object is usually used as a database transaction context within an application. It could also be subclassed to create a custom context, for example, a user session context in a web application, and store not only the database information, but also the user session information in the context.

Field Summary

protected java.sql.Connection	con
protected boolean	isClosed
protected static java.util.logging.Logger	log

Constructor Summary

DBContext()
public constructor

Method Summary

void	abort() abort the transaction if the context is not closed and the connection is not closed.
void	commit() commit the transaction if the context is not closed and the connection is not closed.
java.sql.Connection	getConnection() get the DB connection object from the context
boolean	isClosed() check if the context is closed
void	reset() close the DB connection associated with this context if it's open

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static java.util.logging.Logger log

con

protected java.sql.Connection con

isClosed

protected boolean isClosed

Constructor Detail

DBContext

public DBContext()

public constructor

Method Detail

isClosed

public boolean isClosed()

check if the context is closed

getConnection

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

get the DB connection object from the context

java.sql.SQLException

abort

public void abort()
           throws java.sql.SQLException

abort the transaction if the context is not closed and the connection is not closed. Otherwise an IllegalStateException will be thrown

java.sql.SQLException

commit

public void commit()
            throws java.sql.SQLException

commit the transaction if the context is not closed and the connection is not closed. Otherwise an IllegalStateException will be thrown

java.sql.SQLException

reset

public void reset()

close the DB connection associated with this context if it's open